./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:38:00,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:38:00,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:38:00,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:38:00,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:38:00,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:38:00,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:38:00,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:38:00,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:38:00,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:38:00,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:38:00,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:38:00,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:38:00,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:38:00,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:38:00,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:38:00,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:38:00,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:38:00,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:38:00,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:38:00,709 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:38:00,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:38:00,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:38:00,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:38:00,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:38:00,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:38:00,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:38:00,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:38:00,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:38:00,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:38:00,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:38:00,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:38:00,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:38:00,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:38:00,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:38:00,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:38:00,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:38:00,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:38:00,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:38:00,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:38:00,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:38:00,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:38:00,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:38:00,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:38:00,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:38:00,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:38:00,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:38:00,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:38:00,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:38:00,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:38:00,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:38:00,769 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:38:00,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:38:00,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:38:00,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:38:00,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:38:00,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:38:00,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:38:00,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:38:00,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:38:00,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:38:00,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:38:00,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:38:00,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:38:00,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:38:00,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:38:00,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:38:00,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:38:00,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:38:00,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:38:00,773 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:38:00,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:38:00,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:38:00,774 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-07-12 12:38:01,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:38:01,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:38:01,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:38:01,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:38:01,045 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:38:01,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2022-07-12 12:38:01,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28988c0a1/c2216d59fad84874945086f8ef59ce67/FLAG5c21eb762 [2022-07-12 12:38:01,994 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:38:01,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2022-07-12 12:38:02,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28988c0a1/c2216d59fad84874945086f8ef59ce67/FLAG5c21eb762 [2022-07-12 12:38:02,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28988c0a1/c2216d59fad84874945086f8ef59ce67 [2022-07-12 12:38:02,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:38:02,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:38:02,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:38:02,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:38:02,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:38:02,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:02" (1/1) ... [2022-07-12 12:38:02,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0f8782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:02, skipping insertion in model container [2022-07-12 12:38:02,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:02" (1/1) ... [2022-07-12 12:38:02,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:38:02,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:38:03,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-12 12:38:09,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:09,539 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:38:09,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-12 12:38:10,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:10,374 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:38:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10 WrapperNode [2022-07-12 12:38:10,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:38:10,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:38:10,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:38:10,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:38:10,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:10,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,055 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13298 [2022-07-12 12:38:11,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:38:11,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:38:11,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:38:11,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:38:11,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:38:11,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:38:11,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:38:11,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:38:11,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (1/1) ... [2022-07-12 12:38:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:38:11,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:38:11,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:38:11,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:38:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-07-12 12:38:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-07-12 12:38:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-07-12 12:38:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-07-12 12:38:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 12:38:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 12:38:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-07-12 12:38:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-07-12 12:38:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-07-12 12:38:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-07-12 12:38:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 12:38:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-07-12 12:38:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-12 12:38:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-07-12 12:38:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-07-12 12:38:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-07-12 12:38:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-07-12 12:38:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 12:38:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 12:38:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-07-12 12:38:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-07-12 12:38:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:38:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:38:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-07-12 12:38:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-07-12 12:38:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-07-12 12:38:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-07-12 12:38:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-07-12 12:38:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-07-12 12:38:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:38:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:38:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-07-12 12:38:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-07-12 12:38:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-07-12 12:38:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-07-12 12:38:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-07-12 12:38:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-07-12 12:38:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-07-12 12:38:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-07-12 12:38:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-07-12 12:38:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-07-12 12:38:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:38:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:38:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-07-12 12:38:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-07-12 12:38:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-07-12 12:38:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-07-12 12:38:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-07-12 12:38:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-07-12 12:38:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-07-12 12:38:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-07-12 12:38:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-07-12 12:38:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-07-12 12:38:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-07-12 12:38:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-07-12 12:38:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-07-12 12:38:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-07-12 12:38:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:38:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:38:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-07-12 12:38:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-07-12 12:38:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-07-12 12:38:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-07-12 12:38:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-07-12 12:38:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-07-12 12:38:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-07-12 12:38:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-07-12 12:38:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-07-12 12:38:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-07-12 12:38:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-07-12 12:38:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-07-12 12:38:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:38:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:38:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-07-12 12:38:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-07-12 12:38:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-07-12 12:38:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-07-12 12:38:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-07-12 12:38:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-07-12 12:38:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-07-12 12:38:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-07-12 12:38:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-07-12 12:38:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-07-12 12:38:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:38:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-07-12 12:38:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-07-12 12:38:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-07-12 12:38:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-07-12 12:38:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 12:38:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 12:38:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 12:38:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 12:38:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-12 12:38:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-12 12:38:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-12 12:38:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-12 12:38:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-07-12 12:38:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-07-12 12:38:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-07-12 12:38:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-07-12 12:38:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:38:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:38:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-07-12 12:38:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-07-12 12:38:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 12:38:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 12:38:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-07-12 12:38:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-07-12 12:38:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-07-12 12:38:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-07-12 12:38:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:38:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 12:38:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 12:38:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-07-12 12:38:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-07-12 12:38:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-07-12 12:38:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-07-12 12:38:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-07-12 12:38:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:38:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-07-12 12:38:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-07-12 12:38:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-12 12:38:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-07-12 12:38:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-07-12 12:38:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-07-12 12:38:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-12 12:38:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-07-12 12:38:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-07-12 12:38:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-07-12 12:38:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 12:38:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-07-12 12:38:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-07-12 12:38:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-07-12 12:38:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-12 12:38:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-12 12:38:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-07-12 12:38:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-12 12:38:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-12 12:38:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-07-12 12:38:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:38:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-07-12 12:38:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-07-12 12:38:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:38:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-07-12 12:38:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-12 12:38:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-07-12 12:38:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-07-12 12:38:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-07-12 12:38:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-07-12 12:38:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 12:38:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:38:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 12:38:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-07-12 12:38:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-07-12 12:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-07-12 12:38:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-07-12 12:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 12:38:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 12:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:38:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-07-12 12:38:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-07-12 12:38:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-12 12:38:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-12 12:38:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:38:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:38:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-12 12:38:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-12 12:38:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-07-12 12:38:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-07-12 12:38:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 12:38:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-07-12 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-07-12 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-07-12 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-07-12 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-07-12 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-07-12 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-07-12 12:38:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-07-12 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 12:38:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-07-12 12:38:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-07-12 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:38:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:38:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:38:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 12:38:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 12:38:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-07-12 12:38:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-07-12 12:38:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 12:38:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-12 12:38:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-12 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 12:38:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-07-12 12:38:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-07-12 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-07-12 12:38:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-07-12 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-07-12 12:38:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-07-12 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-07-12 12:38:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-07-12 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-07-12 12:38:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-07-12 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-07-12 12:38:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-07-12 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-12 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-12 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-12 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-12 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-12 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-12 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-12 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-12 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-07-12 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-07-12 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-07-12 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-07-12 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-12 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-12 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-07-12 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-07-12 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-07-12 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-07-12 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 12:38:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-07-12 12:38:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-07-12 12:38:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-07-12 12:38:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-07-12 12:38:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-12 12:38:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-12 12:38:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-07-12 12:38:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-07-12 12:38:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 12:38:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-07-12 12:38:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-12 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-12 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-07-12 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-07-12 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-07-12 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-07-12 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-12 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-12 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-07-12 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-07-12 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-07-12 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-07-12 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-07-12 12:38:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-07-12 12:38:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-07-12 12:38:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-07-12 12:38:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-07-12 12:38:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-07-12 12:38:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-07-12 12:38:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-07-12 12:38:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:38:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:38:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 12:38:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 12:38:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 12:38:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 12:38:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-07-12 12:38:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-07-12 12:38:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:38:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:38:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 12:38:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 12:38:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-12 12:38:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-12 12:38:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 12:38:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 12:38:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 12:38:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 12:38:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-07-12 12:38:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-07-12 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 12:38:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:38:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-07-12 12:38:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-07-12 12:38:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-12 12:38:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-12 12:38:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 12:38:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 12:38:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 12:38:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 12:38:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:38:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:38:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-07-12 12:38:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-07-12 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:38:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-07-12 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-07-12 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-12 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-12 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-07-12 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-07-12 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-12 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-12 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-07-12 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-07-12 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-07-12 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-07-12 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-12 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-12 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-07-12 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-07-12 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-12 12:38:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-12 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-07-12 12:38:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-07-12 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 12:38:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:38:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:38:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-07-12 12:38:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-07-12 12:38:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-12 12:38:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-12 12:38:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 12:38:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 12:38:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:38:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:38:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-12 12:38:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-12 12:38:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-07-12 12:38:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-07-12 12:38:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 12:38:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 12:38:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-07-12 12:38:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-07-12 12:38:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-07-12 12:38:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-07-12 12:38:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-07-12 12:38:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-07-12 12:38:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-07-12 12:38:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-07-12 12:38:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:38:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:38:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-12 12:38:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-12 12:38:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 12:38:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 12:38:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-07-12 12:38:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-07-12 12:38:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-07-12 12:38:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-07-12 12:38:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-07-12 12:38:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-07-12 12:38:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-12 12:38:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-12 12:38:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-07-12 12:38:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-07-12 12:38:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-07-12 12:38:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-07-12 12:38:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-07-12 12:38:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-07-12 12:38:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 12:38:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 12:38:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:38:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:38:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-12 12:38:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-12 12:38:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-07-12 12:38:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-07-12 12:38:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 12:38:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 12:38:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-07-12 12:38:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-07-12 12:38:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:38:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-07-12 12:38:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-07-12 12:38:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-07-12 12:38:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-07-12 12:38:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-07-12 12:38:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-07-12 12:38:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-07-12 12:38:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-07-12 12:38:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-07-12 12:38:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-07-12 12:38:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-07-12 12:38:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-07-12 12:38:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:38:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:38:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:38:13,652 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:38:13,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:38:14,149 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:38:24,975 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:38:25,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:38:25,004 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 12:38:25,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:38:25 BoogieIcfgContainer [2022-07-12 12:38:25,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:38:25,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:38:25,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:38:25,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:38:25,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:38:02" (1/3) ... [2022-07-12 12:38:25,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215197f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:38:25, skipping insertion in model container [2022-07-12 12:38:25,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:10" (2/3) ... [2022-07-12 12:38:25,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215197f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:38:25, skipping insertion in model container [2022-07-12 12:38:25,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:38:25" (3/3) ... [2022-07-12 12:38:25,021 INFO L111 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 [2022-07-12 12:38:25,034 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:38:25,034 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:38:25,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:38:25,163 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7559c9f1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3aa93600 [2022-07-12 12:38:25,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:38:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 4638 states, 3143 states have (on average 1.365892459433662) internal successors, (4293), 3252 states have internal predecessors, (4293), 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) [2022-07-12 12:38:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-12 12:38:25,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:38:25,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:38:25,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:38:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:38:25,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1739770159, now seen corresponding path program 1 times [2022-07-12 12:38:25,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:38:25,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127171486] [2022-07-12 12:38:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:38:25,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:38:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:38:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:38:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:38:26,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:38:26,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127171486] [2022-07-12 12:38:26,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127171486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:38:26,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:38:26,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:38:26,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125962163] [2022-07-12 12:38:26,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:38:26,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:38:26,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:38:26,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:38:26,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:38:26,196 INFO L87 Difference]: Start difference. First operand has 4638 states, 3143 states have (on average 1.365892459433662) internal successors, (4293), 3252 states have internal predecessors, (4293), 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 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-07-12 12:38:34,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:38:44,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:38:44,371 INFO L93 Difference]: Finished difference Result 14834 states and 22931 transitions. [2022-07-12 12:38:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:38:44,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 41 [2022-07-12 12:38:44,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:38:44,493 INFO L225 Difference]: With dead ends: 14834 [2022-07-12 12:38:44,493 INFO L226 Difference]: Without dead ends: 10161 [2022-07-12 12:38:44,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:38:44,554 INFO L413 NwaCegarLoop]: 7506 mSDtfsCounter, 8953 mSDsluCounter, 7943 mSDsCounter, 0 mSdLazyCounter, 5485 mSolverCounterSat, 3635 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9881 SdHoareTripleChecker+Valid, 15449 SdHoareTripleChecker+Invalid, 9121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3635 IncrementalHoareTripleChecker+Valid, 5485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:38:44,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9881 Valid, 15449 Invalid, 9121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3635 Valid, 5485 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2022-07-12 12:38:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10161 states. [2022-07-12 12:38:45,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10161 to 9142. [2022-07-12 12:38:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9142 states, 6215 states have (on average 1.342558326629123) internal successors, (8344), 6398 states have internal predecessors, (8344), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2022-07-12 12:38:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 13225 transitions. [2022-07-12 12:38:45,229 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 13225 transitions. Word has length 41 [2022-07-12 12:38:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:38:45,230 INFO L495 AbstractCegarLoop]: Abstraction has 9142 states and 13225 transitions. [2022-07-12 12:38:45,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-07-12 12:38:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 13225 transitions. [2022-07-12 12:38:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 12:38:45,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:38:45,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:38:45,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:38:45,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:38:45,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:38:45,239 INFO L85 PathProgramCache]: Analyzing trace with hash 141111332, now seen corresponding path program 1 times [2022-07-12 12:38:45,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:38:45,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101969978] [2022-07-12 12:38:45,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:38:45,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:38:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:38:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:38:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:38:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:38:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 12:38:45,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:38:45,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101969978] [2022-07-12 12:38:45,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101969978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:38:45,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:38:45,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:38:45,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111248556] [2022-07-12 12:38:45,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:38:45,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:38:45,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:38:45,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:38:45,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:38:45,921 INFO L87 Difference]: Start difference. First operand 9142 states and 13225 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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) [2022-07-12 12:39:02,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:39:10,116 INFO L93 Difference]: Finished difference Result 29417 states and 44516 transitions. [2022-07-12 12:39:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:39:10,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 51 [2022-07-12 12:39:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:39:10,316 INFO L225 Difference]: With dead ends: 29417 [2022-07-12 12:39:10,317 INFO L226 Difference]: Without dead ends: 20277 [2022-07-12 12:39:10,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:39:10,390 INFO L413 NwaCegarLoop]: 8071 mSDtfsCounter, 8850 mSDsluCounter, 20383 mSDsCounter, 0 mSdLazyCounter, 11635 mSolverCounterSat, 3574 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9718 SdHoareTripleChecker+Valid, 28454 SdHoareTripleChecker+Invalid, 15210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3574 IncrementalHoareTripleChecker+Valid, 11635 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:39:10,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9718 Valid, 28454 Invalid, 15210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3574 Valid, 11635 Invalid, 1 Unknown, 0 Unchecked, 23.2s Time] [2022-07-12 12:39:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20277 states. [2022-07-12 12:39:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20277 to 18536. [2022-07-12 12:39:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 12608 states have (on average 1.342084390862944) internal successors, (16921), 12991 states have internal predecessors, (16921), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2022-07-12 12:39:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 27513 transitions. [2022-07-12 12:39:11,340 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 27513 transitions. Word has length 51 [2022-07-12 12:39:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:39:11,341 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 27513 transitions. [2022-07-12 12:39:11,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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) [2022-07-12 12:39:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 27513 transitions. [2022-07-12 12:39:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-12 12:39:11,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:11,363 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:11,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:39:11,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:11,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:11,366 INFO L85 PathProgramCache]: Analyzing trace with hash 836011653, now seen corresponding path program 1 times [2022-07-12 12:39:11,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:11,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221005316] [2022-07-12 12:39:11,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 12:39:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 12:39:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:39:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:39:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 12:39:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:39:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 12:39:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 12:39:12,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:12,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221005316] [2022-07-12 12:39:12,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221005316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:12,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:12,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:39:12,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711449759] [2022-07-12 12:39:12,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:12,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:39:12,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:12,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:39:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:39:12,264 INFO L87 Difference]: Start difference. First operand 18536 states and 27513 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:39:24,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:39:44,694 INFO L93 Difference]: Finished difference Result 61022 states and 92684 transitions. [2022-07-12 12:39:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:39:44,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 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 147 [2022-07-12 12:39:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:39:45,188 INFO L225 Difference]: With dead ends: 61022 [2022-07-12 12:39:45,189 INFO L226 Difference]: Without dead ends: 42495 [2022-07-12 12:39:45,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:39:45,273 INFO L413 NwaCegarLoop]: 7102 mSDtfsCounter, 12710 mSDsluCounter, 12763 mSDsCounter, 0 mSdLazyCounter, 12491 mSolverCounterSat, 7644 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13733 SdHoareTripleChecker+Valid, 19865 SdHoareTripleChecker+Invalid, 20136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7644 IncrementalHoareTripleChecker+Valid, 12491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:39:45,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13733 Valid, 19865 Invalid, 20136 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7644 Valid, 12491 Invalid, 1 Unknown, 0 Unchecked, 30.9s Time] [2022-07-12 12:39:45,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42495 states. [2022-07-12 12:39:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42495 to 37440. [2022-07-12 12:39:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37440 states, 25506 states have (on average 1.3428605034109622) internal successors, (34251), 26293 states have internal predecessors, (34251), 9852 states have call successors, (9852), 1938 states have call predecessors, (9852), 2081 states have return successors, (11664), 9713 states have call predecessors, (11664), 9851 states have call successors, (11664) [2022-07-12 12:39:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37440 states to 37440 states and 55767 transitions. [2022-07-12 12:39:47,213 INFO L78 Accepts]: Start accepts. Automaton has 37440 states and 55767 transitions. Word has length 147 [2022-07-12 12:39:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:39:47,215 INFO L495 AbstractCegarLoop]: Abstraction has 37440 states and 55767 transitions. [2022-07-12 12:39:47,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:39:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 37440 states and 55767 transitions. [2022-07-12 12:39:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-12 12:39:47,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:47,235 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:47,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:39:47,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:47,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash -425534629, now seen corresponding path program 1 times [2022-07-12 12:39:47,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:47,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738820649] [2022-07-12 12:39:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:39:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:39:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 12:39:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 12:39:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:39:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 12:39:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:39:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:39:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 12:39:47,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:47,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738820649] [2022-07-12 12:39:47,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738820649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:47,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:47,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:39:47,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960047719] [2022-07-12 12:39:47,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:47,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:39:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:47,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:39:47,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:39:47,927 INFO L87 Difference]: Start difference. First operand 37440 states and 55767 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:39:56,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:59,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:10,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:16,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:16,236 INFO L93 Difference]: Finished difference Result 121842 states and 185168 transitions. [2022-07-12 12:40:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:40:16,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 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 151 [2022-07-12 12:40:16,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:17,004 INFO L225 Difference]: With dead ends: 121842 [2022-07-12 12:40:17,004 INFO L226 Difference]: Without dead ends: 84411 [2022-07-12 12:40:17,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:40:17,211 INFO L413 NwaCegarLoop]: 7153 mSDtfsCounter, 18520 mSDsluCounter, 10203 mSDsCounter, 0 mSdLazyCounter, 9325 mSolverCounterSat, 14063 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19532 SdHoareTripleChecker+Valid, 17356 SdHoareTripleChecker+Invalid, 23389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14063 IncrementalHoareTripleChecker+Valid, 9325 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:17,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19532 Valid, 17356 Invalid, 23389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14063 Valid, 9325 Invalid, 1 Unknown, 0 Unchecked, 25.7s Time] [2022-07-12 12:40:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84411 states. [2022-07-12 12:40:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84411 to 74312. [2022-07-12 12:40:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74312 states, 50646 states have (on average 1.3434229751609208) internal successors, (68039), 52221 states have internal predecessors, (68039), 19504 states have call successors, (19504), 3874 states have call predecessors, (19504), 4161 states have return successors, (23092), 19225 states have call predecessors, (23092), 19503 states have call successors, (23092) [2022-07-12 12:40:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74312 states to 74312 states and 110635 transitions. [2022-07-12 12:40:21,103 INFO L78 Accepts]: Start accepts. Automaton has 74312 states and 110635 transitions. Word has length 151 [2022-07-12 12:40:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:21,103 INFO L495 AbstractCegarLoop]: Abstraction has 74312 states and 110635 transitions. [2022-07-12 12:40:21,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:40:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 74312 states and 110635 transitions. [2022-07-12 12:40:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-12 12:40:21,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:21,118 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:21,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:40:21,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:21,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:21,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1871085462, now seen corresponding path program 1 times [2022-07-12 12:40:21,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:21,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058000624] [2022-07-12 12:40:21,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:21,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 12:40:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 12:40:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:40:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:40:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:40:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:40:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:40:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 12:40:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:40:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 12:40:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 12:40:21,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058000624] [2022-07-12 12:40:21,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058000624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:21,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:21,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:40:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117321008] [2022-07-12 12:40:21,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:21,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:40:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:40:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:40:21,858 INFO L87 Difference]: Start difference. First operand 74312 states and 110635 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:40:31,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:48,116 INFO L93 Difference]: Finished difference Result 242242 states and 367988 transitions. [2022-07-12 12:40:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:40:48,117 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 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 148 [2022-07-12 12:40:48,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:49,631 INFO L225 Difference]: With dead ends: 242242 [2022-07-12 12:40:49,632 INFO L226 Difference]: Without dead ends: 167939 [2022-07-12 12:40:49,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:40:49,981 INFO L413 NwaCegarLoop]: 7187 mSDtfsCounter, 12682 mSDsluCounter, 10774 mSDsCounter, 0 mSdLazyCounter, 10562 mSolverCounterSat, 7626 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13706 SdHoareTripleChecker+Valid, 17961 SdHoareTripleChecker+Invalid, 18189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7626 IncrementalHoareTripleChecker+Valid, 10562 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:49,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13706 Valid, 17961 Invalid, 18189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7626 Valid, 10562 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2022-07-12 12:40:50,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167939 states. [2022-07-12 12:40:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167939 to 147760. [2022-07-12 12:40:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147760 states, 100718 states have (on average 1.343463928989853) internal successors, (135311), 103869 states have internal predecessors, (135311), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2022-07-12 12:40:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147760 states to 147760 states and 219883 transitions. [2022-07-12 12:40:57,302 INFO L78 Accepts]: Start accepts. Automaton has 147760 states and 219883 transitions. Word has length 148 [2022-07-12 12:40:57,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:57,302 INFO L495 AbstractCegarLoop]: Abstraction has 147760 states and 219883 transitions. [2022-07-12 12:40:57,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:40:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 147760 states and 219883 transitions. [2022-07-12 12:40:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 12:40:57,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:57,324 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:57,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:40:57,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:57,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:57,325 INFO L85 PathProgramCache]: Analyzing trace with hash 502137541, now seen corresponding path program 1 times [2022-07-12 12:40:57,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:57,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192156685] [2022-07-12 12:40:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:40:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 12:40:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:40:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:40:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:40:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 12:40:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 12:40:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-12 12:40:58,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:58,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192156685] [2022-07-12 12:40:58,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192156685] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:40:58,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569440277] [2022-07-12 12:40:58,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:58,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:58,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:40:58,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 12:40:58,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 12:41:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 7212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:41:00,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-12 12:41:00,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:00,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569440277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:00,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:41:00,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-07-12 12:41:00,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714548469] [2022-07-12 12:41:00,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:00,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:41:00,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:41:00,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:41:00,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-12 12:41:00,443 INFO L87 Difference]: Start difference. First operand 147760 states and 219883 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 12:41:10,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:10,363 INFO L93 Difference]: Finished difference Result 440986 states and 656360 transitions. [2022-07-12 12:41:10,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:41:10,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-07-12 12:41:10,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:12,503 INFO L225 Difference]: With dead ends: 440986 [2022-07-12 12:41:12,503 INFO L226 Difference]: Without dead ends: 293235 [2022-07-12 12:41:13,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-12 12:41:13,519 INFO L413 NwaCegarLoop]: 9088 mSDtfsCounter, 6507 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 15731 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:13,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 15731 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:41:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293235 states.