./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 35987657 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:55:14,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:55:14,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:55:14,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:55:14,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:55:14,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:55:14,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:55:14,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:55:14,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:55:14,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:55:14,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:55:14,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:55:14,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:55:14,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:55:14,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:55:14,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:55:14,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:55:14,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:55:14,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:55:14,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:55:14,990 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:55:14,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:55:14,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:55:14,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:55:14,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:55:14,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:55:14,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:55:14,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:55:14,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:55:14,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:55:14,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:55:14,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:55:14,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:55:15,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:55:15,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:55:15,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:55:15,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:55:15,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:55:15,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:55:15,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:55:15,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:55:15,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:55:15,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:55:15,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:55:15,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:55:15,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:55:15,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:55:15,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:55:15,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:55:15,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:55:15,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:55:15,047 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:55:15,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:55:15,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:55:15,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:55:15,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:55:15,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:55:15,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:55:15,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:55:15,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:55:15,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:55:15,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:55:15,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:55:15,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:55:15,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:55:15,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:55:15,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:55:15,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:55:15,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:55:15,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:55:15,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:55:15,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:55:15,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:55:15,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2022-07-21 12:55:15,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:55:15,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:55:15,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:55:15,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:55:15,375 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:55:15,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-07-21 12:55:15,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2bc3ef6/14b23ca9d804462da75d951d6bf45ed6/FLAG6b2927e66 [2022-07-21 12:55:16,573 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:55:16,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-07-21 12:55:16,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2bc3ef6/14b23ca9d804462da75d951d6bf45ed6/FLAG6b2927e66 [2022-07-21 12:55:16,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2bc3ef6/14b23ca9d804462da75d951d6bf45ed6 [2022-07-21 12:55:16,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:55:16,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:55:16,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:55:16,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:55:16,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:55:16,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:55:16" (1/1) ... [2022-07-21 12:55:16,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a90e830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:16, skipping insertion in model container [2022-07-21 12:55:16,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:55:16" (1/1) ... [2022-07-21 12:55:16,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:55:17,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:55:24,636 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-07-21 12:55:24,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:55:24,851 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:55:25,635 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-07-21 12:55:25,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:55:26,105 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:55:26,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26 WrapperNode [2022-07-21 12:55:26,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:55:26,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:55:26,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:55:26,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:55:26,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:26,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:26,877 INFO L137 Inliner]: procedures = 861, calls = 7350, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14300 [2022-07-21 12:55:26,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:55:26,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:55:26,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:55:26,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:55:26,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:26,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:26,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:26,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:27,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:27,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:27,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:27,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:55:27,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:55:27,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:55:27,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:55:27,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (1/1) ... [2022-07-21 12:55:27,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:55:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:55:27,629 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) [2022-07-21 12:55:27,675 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 [2022-07-21 12:55:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-07-21 12:55:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-07-21 12:55:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-07-21 12:55:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-07-21 12:55:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-21 12:55:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-21 12:55:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-07-21 12:55:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-07-21 12:55:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-07-21 12:55:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-07-21 12:55:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 12:55:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 12:55:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-07-21 12:55:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-07-21 12:55:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-07-21 12:55:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-07-21 12:55:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-07-21 12:55:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-07-21 12:55:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-07-21 12:55:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-07-21 12:55:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-07-21 12:55:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-07-21 12:55:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-07-21 12:55:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-07-21 12:55:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-07-21 12:55:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-07-21 12:55:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:55:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:55:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2022-07-21 12:55:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2022-07-21 12:55:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-07-21 12:55:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-07-21 12:55:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-07-21 12:55:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-07-21 12:55:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-07-21 12:55:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-07-21 12:55:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-07-21 12:55:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-07-21 12:55:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-07-21 12:55:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-07-21 12:55:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-07-21 12:55:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-07-21 12:55:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:55:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:55:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-07-21 12:55:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-07-21 12:55:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-07-21 12:55:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-07-21 12:55:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-07-21 12:55:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-07-21 12:55:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-07-21 12:55:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-07-21 12:55:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-07-21 12:55:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-07-21 12:55:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-21 12:55:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-21 12:55:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2022-07-21 12:55:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2022-07-21 12:55:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-07-21 12:55:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-07-21 12:55:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-07-21 12:55:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-07-21 12:55:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:55:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:55:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-07-21 12:55:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-07-21 12:55:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 12:55:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 12:55:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-07-21 12:55:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-07-21 12:55:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-07-21 12:55:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-07-21 12:55:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-07-21 12:55:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-07-21 12:55:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-07-21 12:55:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-07-21 12:55:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:55:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2022-07-21 12:55:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2022-07-21 12:55:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-07-21 12:55:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-07-21 12:55:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 12:55:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 12:55:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-21 12:55:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-21 12:55:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-07-21 12:55:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-07-21 12:55:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-07-21 12:55:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-07-21 12:55:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-07-21 12:55:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-07-21 12:55:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-07-21 12:55:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-07-21 12:55:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-07-21 12:55:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-07-21 12:55:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-07-21 12:55:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-07-21 12:55:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-07-21 12:55:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-07-21 12:55:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 12:55:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 12:55:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-07-21 12:55:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-07-21 12:55:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:55:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:55:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 12:55:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 12:55:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:55:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2022-07-21 12:55:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2022-07-21 12:55:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-07-21 12:55:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-07-21 12:55:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:55:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-21 12:55:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-21 12:55:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:55:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:55:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-21 12:55:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-21 12:55:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-07-21 12:55:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-07-21 12:55:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 12:55:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 12:55:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-07-21 12:55:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-07-21 12:55:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 12:55:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 12:55:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 12:55:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 12:55:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 12:55:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 12:55:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:55:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:55:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-07-21 12:55:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-07-21 12:55:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-07-21 12:55:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-07-21 12:55:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-07-21 12:55:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-07-21 12:55:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:55:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:55:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:55:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:55:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-07-21 12:55:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-07-21 12:55:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-07-21 12:55:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-07-21 12:55:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-07-21 12:55:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-07-21 12:55:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-07-21 12:55:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-07-21 12:55:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:55:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-07-21 12:55:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-07-21 12:55:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-21 12:55:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-21 12:55:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-21 12:55:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-21 12:55:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 12:55:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 12:55:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-07-21 12:55:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-07-21 12:55:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-07-21 12:55:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-07-21 12:55:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-07-21 12:55:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-07-21 12:55:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 12:55:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 12:55:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:55:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:55:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-21 12:55:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-21 12:55:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:55:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:55:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 12:55:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 12:55:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 12:55:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 12:55:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-07-21 12:55:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-07-21 12:55:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:55:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:55:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-21 12:55:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-21 12:55:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 12:55:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 12:55:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-07-21 12:55:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-07-21 12:55:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-07-21 12:55:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-07-21 12:55:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-07-21 12:55:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-07-21 12:55:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-07-21 12:55:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-07-21 12:55:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:55:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:55:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:55:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-07-21 12:55:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-07-21 12:55:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:55:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:55:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:55:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-21 12:55:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-21 12:55:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-07-21 12:55:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-07-21 12:55:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-07-21 12:55:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-07-21 12:55:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-07-21 12:55:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-07-21 12:55:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:55:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:55:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:55:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:55:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 12:55:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 12:55:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-07-21 12:55:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-07-21 12:55:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 12:55:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 12:55:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:55:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:55:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-07-21 12:55:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-07-21 12:55:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 12:55:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 12:55:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 12:55:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 12:55:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-07-21 12:55:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-07-21 12:55:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2022-07-21 12:55:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2022-07-21 12:55:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:55:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:55:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-07-21 12:55:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-07-21 12:55:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-07-21 12:55:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-07-21 12:55:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-21 12:55:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-21 12:55:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 12:55:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 12:55:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:55:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-07-21 12:55:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-07-21 12:55:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 12:55:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 12:55:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:55:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:55:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-07-21 12:55:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-07-21 12:55:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-07-21 12:55:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-07-21 12:55:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-07-21 12:55:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-07-21 12:55:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-07-21 12:55:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-07-21 12:55:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-07-21 12:55:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-07-21 12:55:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 12:55:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 12:55:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 12:55:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 12:55:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2022-07-21 12:55:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2022-07-21 12:55:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-07-21 12:55:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-07-21 12:55:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-07-21 12:55:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-07-21 12:55:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-07-21 12:55:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-07-21 12:55:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-07-21 12:55:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-07-21 12:55:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-07-21 12:55:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-07-21 12:55:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-07-21 12:55:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-07-21 12:55:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 12:55:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 12:55:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-07-21 12:55:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-07-21 12:55:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:55:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:55:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-21 12:55:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-21 12:55:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-07-21 12:55:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-07-21 12:55:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 12:55:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 12:55:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:55:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:55:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-07-21 12:55:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-07-21 12:55:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:55:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:55:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-07-21 12:55:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-07-21 12:55:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-07-21 12:55:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-07-21 12:55:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-07-21 12:55:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-07-21 12:55:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-07-21 12:55:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-07-21 12:55:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-07-21 12:55:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-07-21 12:55:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-07-21 12:55:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-07-21 12:55:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-07-21 12:55:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-07-21 12:55:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-07-21 12:55:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-07-21 12:55:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-07-21 12:55:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-07-21 12:55:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:55:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:55:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-07-21 12:55:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-07-21 12:55:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-07-21 12:55:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-07-21 12:55:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-07-21 12:55:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-07-21 12:55:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-07-21 12:55:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-07-21 12:55:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-07-21 12:55:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-07-21 12:55:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:55:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-07-21 12:55:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-07-21 12:55:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2022-07-21 12:55:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2022-07-21 12:55:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 12:55:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 12:55:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 12:55:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 12:55:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-21 12:55:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-21 12:55:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-07-21 12:55:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-07-21 12:55:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:55:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-07-21 12:55:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-07-21 12:55:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:55:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:55:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:55:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-07-21 12:55:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-07-21 12:55:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:55:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:55:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-21 12:55:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-21 12:55:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 12:55:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 12:55:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 12:55:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 12:55:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:55:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:55:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-21 12:55:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-21 12:55:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:55:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:55:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-07-21 12:55:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-07-21 12:55:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-07-21 12:55:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-07-21 12:55:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 12:55:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 12:55:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-07-21 12:55:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-07-21 12:55:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-07-21 12:55:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-07-21 12:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 12:55:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 12:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-07-21 12:55:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-07-21 12:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-07-21 12:55:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-07-21 12:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:55:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 12:55:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 12:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-07-21 12:55:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-07-21 12:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-07-21 12:55:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-07-21 12:55:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:55:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:55:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 12:55:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 12:55:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-07-21 12:55:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-07-21 12:55:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-07-21 12:55:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-07-21 12:55:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 12:55:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 12:55:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:55:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:55:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-07-21 12:55:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-07-21 12:55:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-21 12:55:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-21 12:55:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 12:55:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 12:55:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 12:55:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 12:55:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:55:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:55:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-07-21 12:55:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-07-21 12:55:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 12:55:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 12:55:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-07-21 12:55:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-07-21 12:55:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:55:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:55:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:55:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 12:55:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 12:55:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-07-21 12:55:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-07-21 12:55:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-07-21 12:55:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-07-21 12:55:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-07-21 12:55:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-07-21 12:55:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 12:55:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 12:55:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:55:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:55:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-07-21 12:55:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-07-21 12:55:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:55:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:55:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 12:55:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 12:55:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-07-21 12:55:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-07-21 12:55:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-07-21 12:55:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-07-21 12:55:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-07-21 12:55:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-07-21 12:55:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-21 12:55:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-21 12:55:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-07-21 12:55:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-07-21 12:55:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-21 12:55:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-21 12:55:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-07-21 12:55:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-07-21 12:55:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:55:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-07-21 12:55:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-07-21 12:55:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-07-21 12:55:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-07-21 12:55:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-07-21 12:55:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-07-21 12:55:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 12:55:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 12:55:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-07-21 12:55:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-07-21 12:55:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 12:55:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 12:55:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 12:55:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 12:55:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-21 12:55:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-21 12:55:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 12:55:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 12:55:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-07-21 12:55:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-07-21 12:55:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-21 12:55:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-21 12:55:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2022-07-21 12:55:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2022-07-21 12:55:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 12:55:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 12:55:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-07-21 12:55:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-07-21 12:55:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-21 12:55:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-21 12:55:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:55:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:55:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-07-21 12:55:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-07-21 12:55:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-07-21 12:55:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-07-21 12:55:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-07-21 12:55:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-07-21 12:55:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:55:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:55:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 12:55:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 12:55:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 12:55:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 12:55:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 12:55:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 12:55:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-21 12:55:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-21 12:55:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 12:55:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 12:55:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 12:55:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 12:55:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-07-21 12:55:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-07-21 12:55:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-21 12:55:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-21 12:55:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-07-21 12:55:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-07-21 12:55:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 12:55:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 12:55:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:55:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:55:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-21 12:55:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-21 12:55:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 12:55:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 12:55:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-07-21 12:55:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-07-21 12:55:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:55:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-07-21 12:55:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-07-21 12:55:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-07-21 12:55:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-07-21 12:55:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-07-21 12:55:27,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-07-21 12:55:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2022-07-21 12:55:27,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2022-07-21 12:55:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-07-21 12:55:27,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-07-21 12:55:29,390 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:55:29,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:55:29,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:55:42,231 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:55:42,341 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:55:42,348 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:55:42,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:55:42 BoogieIcfgContainer [2022-07-21 12:55:42,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:55:42,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:55:42,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:55:42,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:55:42,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:55:16" (1/3) ... [2022-07-21 12:55:42,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4869c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:55:42, skipping insertion in model container [2022-07-21 12:55:42,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:55:26" (2/3) ... [2022-07-21 12:55:42,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4869c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:55:42, skipping insertion in model container [2022-07-21 12:55:42,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:55:42" (3/3) ... [2022-07-21 12:55:42,366 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-07-21 12:55:42,378 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:55:42,378 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:55:42,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:55:42,519 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@3691d4be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37a403ee [2022-07-21 12:55:42,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:55:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 4906 states, 3302 states have (on average 1.358267716535433) internal successors, (4485), 3430 states have internal predecessors, (4485), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) [2022-07-21 12:55:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 12:55:42,571 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:55:42,572 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 12:55:42,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:55:42,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:55:42,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1630910695, now seen corresponding path program 1 times [2022-07-21 12:55:42,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:55:42,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891693217] [2022-07-21 12:55:42,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:55:42,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:55:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:55:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:55:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:55:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 12:55:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 12:55:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 12:55:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-21 12:55:43,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:55:43,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891693217] [2022-07-21 12:55:43,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891693217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:55:43,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:55:43,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:55:43,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421859965] [2022-07-21 12:55:43,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:55:43,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:55:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:55:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:55:43,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:55:43,929 INFO L87 Difference]: Start difference. First operand has 4906 states, 3302 states have (on average 1.358267716535433) internal successors, (4485), 3430 states have internal predecessors, (4485), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:55:54,774 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 [] [2022-07-21 12:55:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:55:56,798 INFO L93 Difference]: Finished difference Result 10508 states and 16022 transitions. [2022-07-21 12:55:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:55:56,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-07-21 12:55:56,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:55:56,856 INFO L225 Difference]: With dead ends: 10508 [2022-07-21 12:55:56,856 INFO L226 Difference]: Without dead ends: 5575 [2022-07-21 12:55:56,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:55:56,902 INFO L413 NwaCegarLoop]: 6536 mSDtfsCounter, 3330 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 4259 mSolverCounterSat, 3608 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 7868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3608 IncrementalHoareTripleChecker+Valid, 4259 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:55:56,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 12282 Invalid, 7868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3608 Valid, 4259 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-07-21 12:55:56,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2022-07-21 12:55:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 4874. [2022-07-21 12:55:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 3291 states have (on average 1.3348526283804314) internal successors, (4393), 3398 states have internal predecessors, (4393), 1329 states have call successors, (1329), 254 states have call predecessors, (1329), 253 states have return successors, (1328), 1291 states have call predecessors, (1328), 1328 states have call successors, (1328) [2022-07-21 12:55:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 7050 transitions. [2022-07-21 12:55:57,253 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 7050 transitions. Word has length 94 [2022-07-21 12:55:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:55:57,254 INFO L495 AbstractCegarLoop]: Abstraction has 4874 states and 7050 transitions. [2022-07-21 12:55:57,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:55:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 7050 transitions. [2022-07-21 12:55:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 12:55:57,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:55:57,264 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 12:55:57,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:55:57,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:55:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:55:57,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1522208227, now seen corresponding path program 1 times [2022-07-21 12:55:57,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:55:57,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174923985] [2022-07-21 12:55:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:55:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:55:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:55:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:55:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:55:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 12:55:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 12:55:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 12:55:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-21 12:55:58,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:55:58,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174923985] [2022-07-21 12:55:58,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174923985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:55:58,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:55:58,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:55:58,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920531054] [2022-07-21 12:55:58,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:55:58,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:55:58,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:55:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:55:58,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:55:58,082 INFO L87 Difference]: Start difference. First operand 4874 states and 7050 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:56:14,081 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 [] [2022-07-21 12:56:17,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:56:17,953 INFO L93 Difference]: Finished difference Result 15886 states and 23625 transitions. [2022-07-21 12:56:17,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:56:17,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-07-21 12:56:17,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:56:18,017 INFO L225 Difference]: With dead ends: 15886 [2022-07-21 12:56:18,017 INFO L226 Difference]: Without dead ends: 11029 [2022-07-21 12:56:18,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:56:18,040 INFO L413 NwaCegarLoop]: 7660 mSDtfsCounter, 16442 mSDsluCounter, 8420 mSDsCounter, 0 mSdLazyCounter, 6655 mSolverCounterSat, 11928 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17301 SdHoareTripleChecker+Valid, 16080 SdHoareTripleChecker+Invalid, 18584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11928 IncrementalHoareTripleChecker+Valid, 6655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:56:18,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17301 Valid, 16080 Invalid, 18584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11928 Valid, 6655 Invalid, 1 Unknown, 0 Unchecked, 19.1s Time] [2022-07-21 12:56:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11029 states. [2022-07-21 12:56:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11029 to 9640. [2022-07-21 12:56:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9640 states, 6503 states have (on average 1.3356912194371828) internal successors, (8686), 6717 states have internal predecessors, (8686), 2634 states have call successors, (2634), 503 states have call predecessors, (2634), 502 states have return successors, (2633), 2558 states have call predecessors, (2633), 2633 states have call successors, (2633) [2022-07-21 12:56:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9640 states to 9640 states and 13953 transitions. [2022-07-21 12:56:18,464 INFO L78 Accepts]: Start accepts. Automaton has 9640 states and 13953 transitions. Word has length 94 [2022-07-21 12:56:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:56:18,466 INFO L495 AbstractCegarLoop]: Abstraction has 9640 states and 13953 transitions. [2022-07-21 12:56:18,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:56:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 9640 states and 13953 transitions. [2022-07-21 12:56:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-21 12:56:18,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:56:18,472 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:56:18,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:56:18,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:56:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:56:18,473 INFO L85 PathProgramCache]: Analyzing trace with hash -482476128, now seen corresponding path program 1 times [2022-07-21 12:56:18,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:56:18,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646181249] [2022-07-21 12:56:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:56:18,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:56:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:56:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:56:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:56:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 12:56:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 12:56:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 12:56:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-07-21 12:56:19,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:56:19,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646181249] [2022-07-21 12:56:19,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646181249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:56:19,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:56:19,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:56:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505755241] [2022-07-21 12:56:19,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:56:19,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:56:19,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:56:19,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:56:19,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:56:19,261 INFO L87 Difference]: Start difference. First operand 9640 states and 13953 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:56:27,676 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 [] [2022-07-21 12:56:38,366 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 [] [2022-07-21 12:56:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:56:42,969 INFO L93 Difference]: Finished difference Result 30601 states and 45485 transitions. [2022-07-21 12:56:42,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:56:42,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-07-21 12:56:42,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:56:43,113 INFO L225 Difference]: With dead ends: 30601 [2022-07-21 12:56:43,113 INFO L226 Difference]: Without dead ends: 20978 [2022-07-21 12:56:43,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:56:43,183 INFO L413 NwaCegarLoop]: 7942 mSDtfsCounter, 12645 mSDsluCounter, 11513 mSDsCounter, 0 mSdLazyCounter, 9133 mSolverCounterSat, 8049 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13417 SdHoareTripleChecker+Valid, 19455 SdHoareTripleChecker+Invalid, 17184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8049 IncrementalHoareTripleChecker+Valid, 9133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:56:43,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13417 Valid, 19455 Invalid, 17184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8049 Valid, 9133 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2022-07-21 12:56:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20978 states. [2022-07-21 12:56:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20978 to 18274. [2022-07-21 12:56:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18274 states, 12328 states have (on average 1.3367131732641142) internal successors, (16479), 12736 states have internal predecessors, (16479), 4970 states have call successors, (4970), 976 states have call predecessors, (4970), 975 states have return successors, (4969), 4820 states have call predecessors, (4969), 4969 states have call successors, (4969) [2022-07-21 12:56:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18274 states to 18274 states and 26418 transitions. [2022-07-21 12:56:44,179 INFO L78 Accepts]: Start accepts. Automaton has 18274 states and 26418 transitions. Word has length 113 [2022-07-21 12:56:44,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:56:44,180 INFO L495 AbstractCegarLoop]: Abstraction has 18274 states and 26418 transitions. [2022-07-21 12:56:44,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 12:56:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 18274 states and 26418 transitions. [2022-07-21 12:56:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-21 12:56:44,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:56:44,185 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:56:44,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:56:44,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:56:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:56:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1775388549, now seen corresponding path program 1 times [2022-07-21 12:56:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:56:44,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848476713] [2022-07-21 12:56:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:56:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:56:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:56:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:56:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:56:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 12:56:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 12:56:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 12:56:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 12:56:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 12:56:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-07-21 12:56:44,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:56:44,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848476713] [2022-07-21 12:56:44,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848476713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:56:44,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:56:44,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:56:44,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946651119] [2022-07-21 12:56:44,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:56:44,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:56:44,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:56:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:56:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:56:45,000 INFO L87 Difference]: Start difference. First operand 18274 states and 26418 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 12:56:51,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:57:07,848 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 [] [2022-07-21 12:57:12,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:57:12,827 INFO L93 Difference]: Finished difference Result 60007 states and 89178 transitions. [2022-07-21 12:57:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:57:12,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 145 [2022-07-21 12:57:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:57:13,070 INFO L225 Difference]: With dead ends: 60007 [2022-07-21 12:57:13,071 INFO L226 Difference]: Without dead ends: 41750 [2022-07-21 12:57:13,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:57:13,172 INFO L413 NwaCegarLoop]: 7733 mSDtfsCounter, 12833 mSDsluCounter, 14461 mSDsCounter, 0 mSdLazyCounter, 11603 mSolverCounterSat, 8168 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13685 SdHoareTripleChecker+Valid, 22194 SdHoareTripleChecker+Invalid, 19773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8168 IncrementalHoareTripleChecker+Valid, 11603 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:57:13,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13685 Valid, 22194 Invalid, 19773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8168 Valid, 11603 Invalid, 2 Unknown, 0 Unchecked, 26.5s Time] [2022-07-21 12:57:13,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41750 states. [2022-07-21 12:57:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41750 to 36346. [2022-07-21 12:57:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36346 states, 24512 states have (on average 1.3366922323759791) internal successors, (32765), 25328 states have internal predecessors, (32765), 9884 states have call successors, (9884), 1950 states have call predecessors, (9884), 1949 states have return successors, (9883), 9584 states have call predecessors, (9883), 9883 states have call successors, (9883) [2022-07-21 12:57:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36346 states to 36346 states and 52532 transitions. [2022-07-21 12:57:15,097 INFO L78 Accepts]: Start accepts. Automaton has 36346 states and 52532 transitions. Word has length 145 [2022-07-21 12:57:15,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:57:15,098 INFO L495 AbstractCegarLoop]: Abstraction has 36346 states and 52532 transitions. [2022-07-21 12:57:15,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 12:57:15,099 INFO L276 IsEmpty]: Start isEmpty. Operand 36346 states and 52532 transitions. [2022-07-21 12:57:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 12:57:15,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:57:15,106 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:57:15,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:57:15,106 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:57:15,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:57:15,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2060439820, now seen corresponding path program 1 times [2022-07-21 12:57:15,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:57:15,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463798236] [2022-07-21 12:57:15,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:57:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:57:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:57:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:57:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:57:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 12:57:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 12:57:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 12:57:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 12:57:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 12:57:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:57:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 12:57:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-07-21 12:57:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:57:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463798236] [2022-07-21 12:57:15,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463798236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:57:15,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:57:15,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:57:15,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889548431] [2022-07-21 12:57:15,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:57:15,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:57:15,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:57:15,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:57:15,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:57:15,844 INFO L87 Difference]: Start difference. First operand 36346 states and 52532 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 12:57:34,997 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 [] [2022-07-21 12:57:39,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:57:39,317 INFO L93 Difference]: Finished difference Result 119463 states and 177443 transitions. [2022-07-21 12:57:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:57:39,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 172 [2022-07-21 12:57:39,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:57:39,952 INFO L225 Difference]: With dead ends: 119463 [2022-07-21 12:57:39,952 INFO L226 Difference]: Without dead ends: 83134 [2022-07-21 12:57:40,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:57:40,145 INFO L413 NwaCegarLoop]: 7778 mSDtfsCounter, 12821 mSDsluCounter, 11600 mSDsCounter, 0 mSdLazyCounter, 9144 mSolverCounterSat, 8151 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13684 SdHoareTripleChecker+Valid, 19378 SdHoareTripleChecker+Invalid, 17296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8151 IncrementalHoareTripleChecker+Valid, 9144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:57:40,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13684 Valid, 19378 Invalid, 17296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8151 Valid, 9144 Invalid, 1 Unknown, 0 Unchecked, 21.2s Time] [2022-07-21 12:57:40,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83134 states. [2022-07-21 12:57:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83134 to 72336. [2022-07-21 12:57:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72336 states, 48783 states have (on average 1.3365311686448147) internal successors, (65200), 50415 states have internal predecessors, (65200), 19655 states have call successors, (19655), 3898 states have call predecessors, (19655), 3897 states have return successors, (19654), 19055 states have call predecessors, (19654), 19654 states have call successors, (19654) [2022-07-21 12:57:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72336 states to 72336 states and 104509 transitions. [2022-07-21 12:57:43,585 INFO L78 Accepts]: Start accepts. Automaton has 72336 states and 104509 transitions. Word has length 172 [2022-07-21 12:57:43,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:57:43,586 INFO L495 AbstractCegarLoop]: Abstraction has 72336 states and 104509 transitions. [2022-07-21 12:57:43,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 12:57:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 72336 states and 104509 transitions. [2022-07-21 12:57:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-21 12:57:43,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:57:43,592 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:57:43,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:57:43,592 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:57:43,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:57:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash 640087001, now seen corresponding path program 1 times [2022-07-21 12:57:43,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:57:43,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035812555] [2022-07-21 12:57:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:57:43,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:57:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:57:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:57:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:57:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 12:57:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 12:57:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:57:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 12:57:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 12:57:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 12:57:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 12:57:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 12:57:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 12:57:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-21 12:57:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:57:44,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035812555] [2022-07-21 12:57:44,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035812555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:57:44,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:57:44,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:57:44,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774801340] [2022-07-21 12:57:44,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:57:44,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:57:44,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:57:44,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:57:44,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:57:44,539 INFO L87 Difference]: Start difference. First operand 72336 states and 104509 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-21 12:58:03,099 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 [] [2022-07-21 12:58:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:58:07,977 INFO L93 Difference]: Finished difference Result 237419 states and 352482 transitions. [2022-07-21 12:58:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:58:07,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2022-07-21 12:58:07,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:58:09,013 INFO L225 Difference]: With dead ends: 237419 [2022-07-21 12:58:09,013 INFO L226 Difference]: Without dead ends: 165100 [2022-07-21 12:58:09,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:58:09,282 INFO L413 NwaCegarLoop]: 7820 mSDtfsCounter, 16355 mSDsluCounter, 8547 mSDsCounter, 0 mSdLazyCounter, 6698 mSolverCounterSat, 11793 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17196 SdHoareTripleChecker+Valid, 16367 SdHoareTripleChecker+Invalid, 18492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11793 IncrementalHoareTripleChecker+Valid, 6698 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:58:09,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17196 Valid, 16367 Invalid, 18492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11793 Valid, 6698 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2022-07-21 12:58:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165100 states. [2022-07-21 12:58:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165100 to 143512. [2022-07-21 12:58:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143512 states, 96823 states have (on average 1.3371203123224853) internal successors, (129464), 100079 states have internal predecessors, (129464), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37703 states have call predecessors, (38894), 38894 states have call successors, (38894) [2022-07-21 12:58:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143512 states to 143512 states and 207253 transitions. [2022-07-21 12:58:15,977 INFO L78 Accepts]: Start accepts. Automaton has 143512 states and 207253 transitions. Word has length 169 [2022-07-21 12:58:15,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:58:15,977 INFO L495 AbstractCegarLoop]: Abstraction has 143512 states and 207253 transitions. [2022-07-21 12:58:15,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-21 12:58:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 143512 states and 207253 transitions. [2022-07-21 12:58:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-21 12:58:15,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:58:15,984 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 12:58:15,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:58:15,985 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:58:15,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:58:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1377551999, now seen corresponding path program 1 times [2022-07-21 12:58:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:58:15,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930191680] [2022-07-21 12:58:15,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:58:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:58:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:58:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:58:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:58:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 12:58:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 12:58:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 12:58:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 12:58:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 12:58:16,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:58:16,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930191680] [2022-07-21 12:58:16,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930191680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:58:16,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:58:16,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:58:16,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074523201] [2022-07-21 12:58:16,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:58:16,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:58:16,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:58:16,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:58:16,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:58:16,937 INFO L87 Difference]: Start difference. First operand 143512 states and 207253 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-21 12:58:33,690 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 [] [2022-07-21 12:58:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:58:37,752 INFO L93 Difference]: Finished difference Result 308592 states and 455208 transitions. [2022-07-21 12:58:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:58:37,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 150 [2022-07-21 12:58:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:58:38,678 INFO L225 Difference]: With dead ends: 308592 [2022-07-21 12:58:38,678 INFO L226 Difference]: Without dead ends: 165081 [2022-07-21 12:58:39,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:58:39,557 INFO L413 NwaCegarLoop]: 6459 mSDtfsCounter, 3735 mSDsluCounter, 10521 mSDsCounter, 0 mSdLazyCounter, 6668 mSolverCounterSat, 3806 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3847 SdHoareTripleChecker+Valid, 16980 SdHoareTripleChecker+Invalid, 10475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3806 IncrementalHoareTripleChecker+Valid, 6668 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:58:39,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3847 Valid, 16980 Invalid, 10475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3806 Valid, 6668 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-07-21 12:58:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165081 states. [2022-07-21 12:58:44,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165081 to 143441. [2022-07-21 12:58:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143441 states, 96752 states have (on average 1.3371196461055068) internal successors, (129369), 100016 states have internal predecessors, (129369), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37695 states have call predecessors, (38894), 38894 states have call successors, (38894) [2022-07-21 12:58:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143441 states to 143441 states and 207158 transitions. [2022-07-21 12:58:45,968 INFO L78 Accepts]: Start accepts. Automaton has 143441 states and 207158 transitions. Word has length 150 [2022-07-21 12:58:45,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:58:45,969 INFO L495 AbstractCegarLoop]: Abstraction has 143441 states and 207158 transitions. [2022-07-21 12:58:45,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-21 12:58:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 143441 states and 207158 transitions. [2022-07-21 12:58:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-21 12:58:45,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:58:45,974 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:58:45,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:58:45,975 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:58:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:58:45,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1805840432, now seen corresponding path program 1 times [2022-07-21 12:58:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:58:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82054805] [2022-07-21 12:58:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:58:45,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:58:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:58:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:58:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:58:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 12:58:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 12:58:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:58:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 12:58:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 12:58:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 12:58:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 12:58:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:58:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:58:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 12:58:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 12:58:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:58:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-21 12:58:46,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:58:46,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82054805] [2022-07-21 12:58:46,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82054805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:58:46,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:58:46,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:58:46,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71963504] [2022-07-21 12:58:46,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:58:46,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:58:46,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:58:46,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:58:46,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:58:46,780 INFO L87 Difference]: Start difference. First operand 143441 states and 207158 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)