./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 791161d1 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-?-791161d [2022-07-22 23:54:12,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:54:12,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:54:12,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:54:12,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:54:12,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:54:12,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:54:12,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:54:12,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:54:12,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:54:12,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:54:12,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:54:12,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:54:12,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:54:12,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:54:12,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:54:12,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:54:12,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:54:12,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:54:12,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:54:12,471 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:54:12,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:54:12,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:54:12,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:54:12,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:54:12,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:54:12,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:54:12,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:54:12,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:54:12,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:54:12,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:54:12,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:54:12,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:54:12,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:54:12,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:54:12,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:54:12,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:54:12,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:54:12,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:54:12,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:54:12,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:54:12,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:54:12,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:54:12,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:54:12,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:54:12,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:54:12,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:54:12,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:54:12,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:54:12,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:54:12,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:54:12,509 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:54:12,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:54:12,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:54:12,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:54:12,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:54:12,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:54:12,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:54:12,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:54:12,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:54:12,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:54:12,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:54:12,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:54:12,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:54:12,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:54:12,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:54:12,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:54:12,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:54:12,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:54:12,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:54:12,514 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:54:12,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:54:12,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:54:12,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-07-22 23:54:12,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:54:12,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:54:12,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:54:12,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:54:12,787 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:54:12,788 INFO L432 ainManager$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 [2022-07-22 23:54:12,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f30c0c30/cea135acb1bd4ad39dae1f610a18a3c4/FLAG53c5b5657 [2022-07-22 23:54:13,863 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:54:13,864 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 [2022-07-22 23:54:13,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f30c0c30/cea135acb1bd4ad39dae1f610a18a3c4/FLAG53c5b5657 [2022-07-22 23:54:14,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f30c0c30/cea135acb1bd4ad39dae1f610a18a3c4 [2022-07-22 23:54:14,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:54:14,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:54:14,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:54:14,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:54:14,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:54:14,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:14" (1/1) ... [2022-07-22 23:54:14,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341678dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:14, skipping insertion in model container [2022-07-22 23:54:14,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:14" (1/1) ... [2022-07-22 23:54:14,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:54:14,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:54:15,579 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] [2022-07-22 23:54:21,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:21,133 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:54:21,291 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] [2022-07-22 23:54:21,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:21,990 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:54:21,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21 WrapperNode [2022-07-22 23:54:21,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:54:21,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:54:21,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:54:21,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:54:22,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:22,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:22,545 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13298 [2022-07-22 23:54:22,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:54:22,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:54:22,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:54:22,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:54:22,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:22,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:22,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:22,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:23,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:23,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:23,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:23,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:54:23,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:54:23,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:54:23,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:54:23,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (1/1) ... [2022-07-22 23:54:23,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:54:23,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:54:23,525 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) [2022-07-22 23:54:23,553 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 [2022-07-22 23:54:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-07-22 23:54:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-07-22 23:54:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-07-22 23:54:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-07-22 23:54:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-22 23:54:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-22 23:54:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-07-22 23:54:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-07-22 23:54:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-07-22 23:54:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-07-22 23:54:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-07-22 23:54:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-07-22 23:54:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-22 23:54:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-22 23:54:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-07-22 23:54:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-07-22 23:54:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-22 23:54:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-22 23:54:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-07-22 23:54:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-07-22 23:54:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-07-22 23:54:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-07-22 23:54:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 23:54:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 23:54:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-07-22 23:54:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-07-22 23:54:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:54:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:54:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-07-22 23:54:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-07-22 23:54:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-07-22 23:54:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-07-22 23:54:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-07-22 23:54:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-07-22 23:54:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-22 23:54:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-22 23:54:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-07-22 23:54:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-07-22 23:54:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-07-22 23:54:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-07-22 23:54:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-07-22 23:54:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-07-22 23:54:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-07-22 23:54:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-07-22 23:54:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-07-22 23:54:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-07-22 23:54:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-22 23:54:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-22 23:54:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-07-22 23:54:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-07-22 23:54:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-07-22 23:54:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-07-22 23:54:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-07-22 23:54:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-07-22 23:54:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-07-22 23:54:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-07-22 23:54:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-07-22 23:54:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-07-22 23:54:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-07-22 23:54:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-07-22 23:54:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-07-22 23:54:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-07-22 23:54:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:54:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:54:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-07-22 23:54:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-07-22 23:54:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-07-22 23:54:23,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-07-22 23:54:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-07-22 23:54:23,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-07-22 23:54:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-07-22 23:54:23,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-07-22 23:54:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-07-22 23:54:23,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-07-22 23:54:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-07-22 23:54:23,580 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-07-22 23:54:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-07-22 23:54:23,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-07-22 23:54:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-22 23:54:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-07-22 23:54:23,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-07-22 23:54:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:54:23,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:54:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-07-22 23:54:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-07-22 23:54:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-07-22 23:54:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-07-22 23:54:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-07-22 23:54:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-07-22 23:54:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-07-22 23:54:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-07-22 23:54:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-07-22 23:54:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-07-22 23:54:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:54:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-07-22 23:54:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-07-22 23:54:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-07-22 23:54:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-07-22 23:54:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-22 23:54:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-22 23:54:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 23:54:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 23:54:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-22 23:54:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-22 23:54:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-22 23:54:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-22 23:54:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-07-22 23:54:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-07-22 23:54:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-07-22 23:54:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-07-22 23:54:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:54:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:54:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-07-22 23:54:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-07-22 23:54:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-22 23:54:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-22 23:54:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-07-22 23:54:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-07-22 23:54:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-07-22 23:54:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-07-22 23:54:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 23:54:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 23:54:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 23:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-07-22 23:54:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-07-22 23:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-07-22 23:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-07-22 23:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-07-22 23:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-07-22 23:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 23:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 23:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 23:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-07-22 23:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-07-22 23:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-07-22 23:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-07-22 23:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-22 23:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-22 23:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-07-22 23:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-07-22 23:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-22 23:54:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-22 23:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:54:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-22 23:54:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-22 23:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-07-22 23:54:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-07-22 23:54:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-07-22 23:54:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-07-22 23:54:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-22 23:54:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-22 23:54:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-22 23:54:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-22 23:54:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-22 23:54:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-22 23:54:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-07-22 23:54:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-07-22 23:54:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-22 23:54:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-22 23:54:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-07-22 23:54:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-07-22 23:54:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-07-22 23:54:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-07-22 23:54:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-07-22 23:54:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-07-22 23:54:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-22 23:54:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-22 23:54:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-07-22 23:54:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-07-22 23:54:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-07-22 23:54:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-07-22 23:54:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-22 23:54:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-07-22 23:54:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:54:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-22 23:54:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-22 23:54:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-22 23:54:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-22 23:54:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-07-22 23:54:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-07-22 23:54:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:54:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-07-22 23:54:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-07-22 23:54:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:54:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:54:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-07-22 23:54:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-07-22 23:54:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-22 23:54:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-22 23:54:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:54:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:54:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-07-22 23:54:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-07-22 23:54:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 23:54:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 23:54:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-22 23:54:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-22 23:54:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-07-22 23:54:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-07-22 23:54:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-22 23:54:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-22 23:54:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-22 23:54:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-22 23:54:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-07-22 23:54:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-07-22 23:54:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-07-22 23:54:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-07-22 23:54:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-22 23:54:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-22 23:54:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-22 23:54:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-22 23:54:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-07-22 23:54:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-07-22 23:54:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-22 23:54:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-22 23:54:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-22 23:54:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-22 23:54:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:54:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:54:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-22 23:54:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-22 23:54:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-07-22 23:54:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-07-22 23:54:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-07-22 23:54:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-07-22 23:54:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-07-22 23:54:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-07-22 23:54:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-22 23:54:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-22 23:54:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-07-22 23:54:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-07-22 23:54:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-07-22 23:54:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-07-22 23:54:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-22 23:54:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-22 23:54:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-22 23:54:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-22 23:54:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-07-22 23:54:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-07-22 23:54:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-22 23:54:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-22 23:54:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:54:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:54:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-22 23:54:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-22 23:54:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-07-22 23:54:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-07-22 23:54:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-22 23:54:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-22 23:54:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-07-22 23:54:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-07-22 23:54:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-22 23:54:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-22 23:54:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-07-22 23:54:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-07-22 23:54:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-07-22 23:54:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-07-22 23:54:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-07-22 23:54:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-07-22 23:54:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-22 23:54:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-22 23:54:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-07-22 23:54:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-07-22 23:54:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:54:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:54:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:54:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:54:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-22 23:54:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-22 23:54:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-07-22 23:54:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-07-22 23:54:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-22 23:54:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-22 23:54:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-22 23:54:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-22 23:54:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-22 23:54:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-22 23:54:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-07-22 23:54:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-07-22 23:54:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-07-22 23:54:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-07-22 23:54:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-07-22 23:54:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-07-22 23:54:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-07-22 23:54:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-07-22 23:54:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-07-22 23:54:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-07-22 23:54:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-07-22 23:54:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-07-22 23:54:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-22 23:54:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-22 23:54:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:54:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:54:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-22 23:54:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-22 23:54:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-22 23:54:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-22 23:54:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:54:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:54:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-22 23:54:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-22 23:54:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-22 23:54:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-22 23:54:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-07-22 23:54:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-07-22 23:54:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 23:54:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 23:54:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-07-22 23:54:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-07-22 23:54:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:54:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:54:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:54:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:54:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-22 23:54:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-22 23:54:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-22 23:54:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-22 23:54:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-07-22 23:54:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-07-22 23:54:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-07-22 23:54:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-07-22 23:54:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-22 23:54:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-22 23:54:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-07-22 23:54:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-07-22 23:54:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-07-22 23:54:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-07-22 23:54:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-22 23:54:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-22 23:54:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-07-22 23:54:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-07-22 23:54:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:54:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-07-22 23:54:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:54:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-22 23:54:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-22 23:54:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-22 23:54:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-22 23:54:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-22 23:54:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-22 23:54:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-07-22 23:54:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-07-22 23:54:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-07-22 23:54:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-07-22 23:54:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-22 23:54:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-22 23:54:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-07-22 23:54:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-07-22 23:54:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-07-22 23:54:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-07-22 23:54:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:54:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-07-22 23:54:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-07-22 23:54:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-07-22 23:54:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-07-22 23:54:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-07-22 23:54:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-07-22 23:54:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-07-22 23:54:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-07-22 23:54:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:54:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:54:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-22 23:54:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-22 23:54:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-22 23:54:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-22 23:54:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-07-22 23:54:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-07-22 23:54:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:54:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:54:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 23:54:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 23:54:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-22 23:54:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-22 23:54:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-22 23:54:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-22 23:54:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-22 23:54:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-22 23:54:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-22 23:54:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-22 23:54:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-07-22 23:54:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-07-22 23:54:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-22 23:54:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-22 23:54:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:54:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:54:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-07-22 23:54:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-07-22 23:54:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-22 23:54:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-22 23:54:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-22 23:54:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-22 23:54:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-22 23:54:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-22 23:54:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-22 23:54:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-22 23:54:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-22 23:54:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-22 23:54:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-07-22 23:54:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-07-22 23:54:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-22 23:54:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-22 23:54:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-07-22 23:54:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-07-22 23:54:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-22 23:54:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-22 23:54:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-07-22 23:54:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-07-22 23:54:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-22 23:54:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-22 23:54:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:54:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:54:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-07-22 23:54:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-07-22 23:54:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-07-22 23:54:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-07-22 23:54:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-22 23:54:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-22 23:54:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-07-22 23:54:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-07-22 23:54:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-22 23:54:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-22 23:54:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 23:54:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-07-22 23:54:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-07-22 23:54:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-22 23:54:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-22 23:54:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:54:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:54:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-07-22 23:54:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-07-22 23:54:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-22 23:54:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-22 23:54:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-22 23:54:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-22 23:54:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 23:54:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 23:54:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-22 23:54:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-22 23:54:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-07-22 23:54:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-07-22 23:54:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-22 23:54:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-22 23:54:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-07-22 23:54:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-07-22 23:54:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-07-22 23:54:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-07-22 23:54:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-07-22 23:54:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-07-22 23:54:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-07-22 23:54:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-07-22 23:54:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 23:54:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 23:54:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-22 23:54:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-22 23:54:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-22 23:54:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-22 23:54:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-07-22 23:54:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-07-22 23:54:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-07-22 23:54:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-07-22 23:54:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-07-22 23:54:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-07-22 23:54:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-22 23:54:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-22 23:54:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-07-22 23:54:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-07-22 23:54:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-07-22 23:54:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-07-22 23:54:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-07-22 23:54:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-07-22 23:54:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-22 23:54:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-22 23:54:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 23:54:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 23:54:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-22 23:54:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-22 23:54:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-07-22 23:54:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-07-22 23:54:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-22 23:54:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-22 23:54:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-07-22 23:54:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-07-22 23:54:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:54:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-07-22 23:54:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-07-22 23:54:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-07-22 23:54:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-07-22 23:54:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-07-22 23:54:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-07-22 23:54:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-07-22 23:54:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-07-22 23:54:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-07-22 23:54:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-07-22 23:54:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-07-22 23:54:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-07-22 23:54:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-22 23:54:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-22 23:54:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-22 23:54:25,120 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:54:25,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:54:25,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:54:36,362 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:54:36,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:54:36,395 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 23:54:36,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:54:36 BoogieIcfgContainer [2022-07-22 23:54:36,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:54:36,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:54:36,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:54:36,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:54:36,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:54:14" (1/3) ... [2022-07-22 23:54:36,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4be20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:54:36, skipping insertion in model container [2022-07-22 23:54:36,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:21" (2/3) ... [2022-07-22 23:54:36,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4be20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:54:36, skipping insertion in model container [2022-07-22 23:54:36,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:54:36" (3/3) ... [2022-07-22 23:54:36,415 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 [2022-07-22 23:54:36,428 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:54:36,428 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:54:36,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:54:36,576 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@53248901, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bdda6ec [2022-07-22 23:54:36,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:54:36,594 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) [2022-07-22 23:54:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 23:54:36,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:54:36,621 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] [2022-07-22 23:54:36,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:54:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:54:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1739770159, now seen corresponding path program 1 times [2022-07-22 23:54:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:54:36,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082209422] [2022-07-22 23:54:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:54:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:54:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:54:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:54:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:54:37,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:54:37,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082209422] [2022-07-22 23:54:37,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082209422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:54:37,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:54:37,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:54:37,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957499675] [2022-07-22 23:54:37,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:54:37,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:54:37,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:54:37,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:54:37,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:54:37,674 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) [2022-07-22 23:54:46,915 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 [] [2022-07-22 23:54:57,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:54:57,927 INFO L93 Difference]: Finished difference Result 14834 states and 22931 transitions. [2022-07-22 23:54:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:54:57,931 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 [2022-07-22 23:54:57,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:54:58,033 INFO L225 Difference]: With dead ends: 14834 [2022-07-22 23:54:58,033 INFO L226 Difference]: Without dead ends: 10161 [2022-07-22 23:54:58,079 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 [2022-07-22 23:54:58,082 INFO L413 NwaCegarLoop]: 7482 mSDtfsCounter, 8971 mSDsluCounter, 7927 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 3649 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9904 SdHoareTripleChecker+Valid, 15409 SdHoareTripleChecker+Invalid, 9126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3649 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:54:58,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9904 Valid, 15409 Invalid, 9126 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3649 Valid, 5476 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2022-07-22 23:54:58,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10161 states. [2022-07-22 23:54:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10161 to 9142. [2022-07-22 23:54:58,614 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) [2022-07-22 23:54:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 13225 transitions. [2022-07-22 23:54:58,696 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 13225 transitions. Word has length 41 [2022-07-22 23:54:58,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:54:58,697 INFO L495 AbstractCegarLoop]: Abstraction has 9142 states and 13225 transitions. [2022-07-22 23:54:58,698 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) [2022-07-22 23:54:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 13225 transitions. [2022-07-22 23:54:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 23:54:58,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:54:58,705 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] [2022-07-22 23:54:58,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:54:58,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:54:58,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:54:58,707 INFO L85 PathProgramCache]: Analyzing trace with hash 141111332, now seen corresponding path program 1 times [2022-07-22 23:54:58,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:54:58,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225754149] [2022-07-22 23:54:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:54:58,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:54:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:54:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:54:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 23:54:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:54:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 23:54:59,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:54:59,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225754149] [2022-07-22 23:54:59,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225754149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:54:59,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:54:59,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 23:54:59,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162775028] [2022-07-22 23:54:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:54:59,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 23:54:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:54:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 23:54:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 23:54:59,509 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) [2022-07-22 23:55:12,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:55:21,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:55:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:55:32,196 INFO L93 Difference]: Finished difference Result 29417 states and 44516 transitions. [2022-07-22 23:55:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:55:32,197 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 [2022-07-22 23:55:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:55:32,387 INFO L225 Difference]: With dead ends: 29417 [2022-07-22 23:55:32,388 INFO L226 Difference]: Without dead ends: 20277 [2022-07-22 23:55:32,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:55:32,467 INFO L413 NwaCegarLoop]: 8010 mSDtfsCounter, 8865 mSDsluCounter, 20270 mSDsCounter, 0 mSdLazyCounter, 11608 mSolverCounterSat, 3599 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9734 SdHoareTripleChecker+Valid, 28280 SdHoareTripleChecker+Invalid, 15209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3599 IncrementalHoareTripleChecker+Valid, 11608 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:55:32,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9734 Valid, 28280 Invalid, 15209 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3599 Valid, 11608 Invalid, 2 Unknown, 0 Unchecked, 31.4s Time] [2022-07-22 23:55:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20277 states. [2022-07-22 23:55:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20277 to 18536. [2022-07-22 23:55:33,301 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) [2022-07-22 23:55:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 27513 transitions. [2022-07-22 23:55:33,428 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 27513 transitions. Word has length 51 [2022-07-22 23:55:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:55:33,429 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 27513 transitions. [2022-07-22 23:55:33,429 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) [2022-07-22 23:55:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 27513 transitions. [2022-07-22 23:55:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-22 23:55:33,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:55:33,451 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] [2022-07-22 23:55:33,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:55:33,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:55:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:55:33,452 INFO L85 PathProgramCache]: Analyzing trace with hash 836011653, now seen corresponding path program 1 times [2022-07-22 23:55:33,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:55:33,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728979884] [2022-07-22 23:55:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:55:33,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:55:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:55:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:55:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 23:55:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:55:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 23:55:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 23:55:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:55:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:55:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 23:55:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:55:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:55:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:55:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:55:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 23:55:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:55:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:55:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-22 23:55:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:55:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-22 23:55:34,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:55:34,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728979884] [2022-07-22 23:55:34,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728979884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:55:34,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:55:34,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 23:55:34,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710687539] [2022-07-22 23:55:34,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:55:34,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 23:55:34,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:55:34,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 23:55:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:55:34,289 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) [2022-07-22 23:55:49,323 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 [] [2022-07-22 23:56:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:56:15,448 INFO L93 Difference]: Finished difference Result 61022 states and 92684 transitions. [2022-07-22 23:56:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:56:15,450 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 [2022-07-22 23:56:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:56:15,745 INFO L225 Difference]: With dead ends: 61022 [2022-07-22 23:56:15,746 INFO L226 Difference]: Without dead ends: 42495 [2022-07-22 23:56:15,835 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 [2022-07-22 23:56:15,839 INFO L413 NwaCegarLoop]: 7116 mSDtfsCounter, 12708 mSDsluCounter, 12797 mSDsCounter, 0 mSdLazyCounter, 12467 mSolverCounterSat, 7655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13729 SdHoareTripleChecker+Valid, 19913 SdHoareTripleChecker+Invalid, 20123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7655 IncrementalHoareTripleChecker+Valid, 12467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:56:15,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13729 Valid, 19913 Invalid, 20123 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7655 Valid, 12467 Invalid, 1 Unknown, 0 Unchecked, 39.4s Time] [2022-07-22 23:56:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42495 states. [2022-07-22 23:56:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42495 to 37440. [2022-07-22 23:56:17,774 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) [2022-07-22 23:56:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37440 states to 37440 states and 55767 transitions. [2022-07-22 23:56:18,158 INFO L78 Accepts]: Start accepts. Automaton has 37440 states and 55767 transitions. Word has length 147 [2022-07-22 23:56:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:56:18,160 INFO L495 AbstractCegarLoop]: Abstraction has 37440 states and 55767 transitions. [2022-07-22 23:56:18,161 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) [2022-07-22 23:56:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 37440 states and 55767 transitions. [2022-07-22 23:56:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-22 23:56:18,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:56:18,181 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] [2022-07-22 23:56:18,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:56:18,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:56:18,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:56:18,182 INFO L85 PathProgramCache]: Analyzing trace with hash -425534629, now seen corresponding path program 1 times [2022-07-22 23:56:18,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:56:18,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487758454] [2022-07-22 23:56:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:56:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:56:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:56:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:56:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 23:56:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 23:56:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 23:56:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 23:56:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-22 23:56:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 23:56:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 23:56:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-22 23:56:19,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:56:19,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487758454] [2022-07-22 23:56:19,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487758454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:56:19,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:56:19,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 23:56:19,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461265048] [2022-07-22 23:56:19,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:56:19,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 23:56:19,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:56:19,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 23:56:19,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:56:19,021 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) [2022-07-22 23:56:30,487 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 [] [2022-07-22 23:56:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:56:49,065 INFO L93 Difference]: Finished difference Result 121842 states and 185168 transitions. [2022-07-22 23:56:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:56:49,067 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 [2022-07-22 23:56:49,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:56:49,630 INFO L225 Difference]: With dead ends: 121842 [2022-07-22 23:56:49,631 INFO L226 Difference]: Without dead ends: 84411 [2022-07-22 23:56:49,827 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 [2022-07-22 23:56:49,828 INFO L413 NwaCegarLoop]: 7151 mSDtfsCounter, 18560 mSDsluCounter, 10189 mSDsCounter, 0 mSdLazyCounter, 9343 mSolverCounterSat, 14086 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19571 SdHoareTripleChecker+Valid, 17340 SdHoareTripleChecker+Invalid, 23430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14086 IncrementalHoareTripleChecker+Valid, 9343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:56:49,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19571 Valid, 17340 Invalid, 23430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14086 Valid, 9343 Invalid, 1 Unknown, 0 Unchecked, 27.0s Time] [2022-07-22 23:56:49,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84411 states. [2022-07-22 23:56:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84411 to 74312. [2022-07-22 23:56:53,234 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) [2022-07-22 23:56:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74312 states to 74312 states and 110635 transitions. [2022-07-22 23:56:54,128 INFO L78 Accepts]: Start accepts. Automaton has 74312 states and 110635 transitions. Word has length 151 [2022-07-22 23:56:54,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:56:54,129 INFO L495 AbstractCegarLoop]: Abstraction has 74312 states and 110635 transitions. [2022-07-22 23:56:54,130 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) [2022-07-22 23:56:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 74312 states and 110635 transitions. [2022-07-22 23:56:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-22 23:56:54,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:56:54,146 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] [2022-07-22 23:56:54,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:56:54,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:56:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:56:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1871085462, now seen corresponding path program 1 times [2022-07-22 23:56:54,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:56:54,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131978849] [2022-07-22 23:56:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:56:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:56:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:56:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:56:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 23:56:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 23:56:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:56:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 23:56:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:56:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 23:56:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:56:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:56:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-22 23:56:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-22 23:56:55,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:56:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131978849] [2022-07-22 23:56:55,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131978849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:56:55,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:56:55,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 23:56:55,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097116664] [2022-07-22 23:56:55,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:56:55,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 23:56:55,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:56:55,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 23:56:55,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:56:55,083 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) [2022-07-22 23:57:06,681 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 [] [2022-07-22 23:57:27,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:27,144 INFO L93 Difference]: Finished difference Result 242242 states and 367988 transitions. [2022-07-22 23:57:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:57:27,146 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 [2022-07-22 23:57:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:28,658 INFO L225 Difference]: With dead ends: 242242 [2022-07-22 23:57:28,658 INFO L226 Difference]: Without dead ends: 167939 [2022-07-22 23:57:29,134 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 [2022-07-22 23:57:29,135 INFO L413 NwaCegarLoop]: 7195 mSDtfsCounter, 12707 mSDsluCounter, 10754 mSDsCounter, 0 mSdLazyCounter, 10584 mSolverCounterSat, 7641 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13728 SdHoareTripleChecker+Valid, 17949 SdHoareTripleChecker+Invalid, 18226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7641 IncrementalHoareTripleChecker+Valid, 10584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:29,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13728 Valid, 17949 Invalid, 18226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7641 Valid, 10584 Invalid, 1 Unknown, 0 Unchecked, 25.8s Time] [2022-07-22 23:57:29,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167939 states. [2022-07-22 23:57:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167939 to 147760. [2022-07-22 23:57:35,259 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) [2022-07-22 23:57:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147760 states to 147760 states and 219883 transitions. [2022-07-22 23:57:36,732 INFO L78 Accepts]: Start accepts. Automaton has 147760 states and 219883 transitions. Word has length 148 [2022-07-22 23:57:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:36,732 INFO L495 AbstractCegarLoop]: Abstraction has 147760 states and 219883 transitions. [2022-07-22 23:57:36,733 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) [2022-07-22 23:57:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 147760 states and 219883 transitions. [2022-07-22 23:57:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-22 23:57:36,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:36,750 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] [2022-07-22 23:57:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 23:57:36,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 502137541, now seen corresponding path program 1 times [2022-07-22 23:57:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:57:36,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277917728] [2022-07-22 23:57:36,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:57:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:57:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:57:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:57:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:57:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:57:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:57:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:57:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:57:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:57:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 23:57:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:57:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:57:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:57:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:57:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 23:57:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:57:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 23:57:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:57:38,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277917728] [2022-07-22 23:57:38,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277917728] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:57:38,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667277815] [2022-07-22 23:57:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:57:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:57:38,429 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) [2022-07-22 23:57:38,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 23:57:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:40,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 7212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:57:40,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-22 23:57:40,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:57:40,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667277815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:57:40,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:57:40,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-07-22 23:57:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880464387] [2022-07-22 23:57:40,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:57:40,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:57:40,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:57:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:57:40,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-22 23:57:40,395 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)