./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.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 d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:22:40,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:22:40,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:22:40,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:22:40,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:22:40,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:22:40,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:22:40,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:22:40,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:22:40,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:22:40,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:22:40,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:22:40,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:22:40,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:22:40,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:22:40,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:22:40,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:22:40,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:22:40,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:22:40,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:22:40,129 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:22:40,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:22:40,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:22:40,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:22:40,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:22:40,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:22:40,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:22:40,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:22:40,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:22:40,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:22:40,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:22:40,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:22:40,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:22:40,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:22:40,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:22:40,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:22:40,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:22:40,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:22:40,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:22:40,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:22:40,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:22:40,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:22:40,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:22:40,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:22:40,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:22:40,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:22:40,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:22:40,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:22:40,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:22:40,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:22:40,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:22:40,172 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:22:40,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:22:40,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:22:40,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:22:40,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:22:40,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:22:40,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:22:40,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:22:40,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:22:40,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:22:40,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:22:40,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:22:40,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:22:40,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:22:40,176 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:22:40,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:22:40,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:22:40,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-07-13 23:22:40,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:22:40,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:22:40,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:22:40,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:22:40,376 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:22:40,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:22:40,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cca832a4/88084784ab134e4ba1d7a59cccd0a747/FLAG9bdaf8034 [2022-07-13 23:22:41,043 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:22:41,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:22:41,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cca832a4/88084784ab134e4ba1d7a59cccd0a747/FLAG9bdaf8034 [2022-07-13 23:22:41,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cca832a4/88084784ab134e4ba1d7a59cccd0a747 [2022-07-13 23:22:41,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:22:41,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:22:41,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:22:41,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:22:41,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:22:41,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:22:41" (1/1) ... [2022-07-13 23:22:41,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f5da98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:41, skipping insertion in model container [2022-07-13 23:22:41,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:22:41" (1/1) ... [2022-07-13 23:22:41,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:22:41,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:22:44,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-13 23:22:44,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:22:44,378 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:22:44,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-13 23:22:44,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:22:44,753 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:22:44,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44 WrapperNode [2022-07-13 23:22:44,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:22:44,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:22:44,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:22:44,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:22:44,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:44,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,078 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7241 [2022-07-13 23:22:45,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:22:45,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:22:45,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:22:45,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:22:45,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:22:45,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:22:45,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:22:45,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:22:45,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (1/1) ... [2022-07-13 23:22:45,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:22:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:22:45,460 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) [2022-07-13 23:22:45,519 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 [2022-07-13 23:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-13 23:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-13 23:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-13 23:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-13 23:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-13 23:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-13 23:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-13 23:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-13 23:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-07-13 23:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-07-13 23:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-13 23:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-13 23:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-13 23:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-13 23:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-13 23:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-13 23:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-13 23:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-13 23:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-13 23:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-13 23:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-13 23:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-13 23:22:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-13 23:22:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-13 23:22:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-13 23:22:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-07-13 23:22:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-07-13 23:22:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:22:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-13 23:22:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-13 23:22:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:22:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:22:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-13 23:22:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-13 23:22:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-13 23:22:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-13 23:22:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-13 23:22:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-13 23:22:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:22:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:22:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:22:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-13 23:22:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-13 23:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-13 23:22:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-13 23:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-13 23:22:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-13 23:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:22:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-13 23:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-13 23:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-13 23:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-13 23:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-13 23:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-13 23:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:22:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:22:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:22:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-13 23:22:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-13 23:22:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-13 23:22:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-13 23:22:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:22:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:22:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:22:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-13 23:22:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-13 23:22:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:22:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-13 23:22:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-13 23:22:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:22:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:22:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:22:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:22:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-13 23:22:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-13 23:22:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-13 23:22:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-13 23:22:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-13 23:22:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-13 23:22:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:22:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-13 23:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-13 23:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-13 23:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-13 23:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-13 23:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-13 23:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-13 23:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-13 23:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-13 23:22:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-13 23:22:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:22:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:22:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:22:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:22:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:22:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:22:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-13 23:22:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-13 23:22:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-13 23:22:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-13 23:22:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:22:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:22:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-13 23:22:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-13 23:22:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:22:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:22:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-13 23:22:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-13 23:22:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-13 23:22:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-13 23:22:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-13 23:22:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-13 23:22:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:22:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:22:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-13 23:22:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-13 23:22:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-13 23:22:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-13 23:22:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:22:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:22:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-13 23:22:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-13 23:22:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-13 23:22:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-13 23:22:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-13 23:22:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-13 23:22:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:22:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:22:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:22:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:22:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-13 23:22:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-13 23:22:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-13 23:22:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-13 23:22:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-13 23:22:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-13 23:22:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:22:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:22:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:22:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:22:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-13 23:22:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-13 23:22:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-13 23:22:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-13 23:22:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:22:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-13 23:22:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-13 23:22:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-13 23:22:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-13 23:22:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-13 23:22:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-13 23:22:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-13 23:22:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-13 23:22:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-13 23:22:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-13 23:22:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:22:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:22:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:22:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:22:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:22:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-13 23:22:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-13 23:22:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-13 23:22:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-13 23:22:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:22:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:22:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-13 23:22:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-13 23:22:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-13 23:22:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-13 23:22:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-13 23:22:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-13 23:22:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-07-13 23:22:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-07-13 23:22:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:22:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:22:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:22:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:22:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-13 23:22:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-13 23:22:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-13 23:22:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-13 23:22:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-13 23:22:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-13 23:22:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-13 23:22:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-13 23:22:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-13 23:22:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-13 23:22:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:22:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:22:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-13 23:22:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:22:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:22:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:22:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-13 23:22:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-13 23:22:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-07-13 23:22:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-07-13 23:22:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-13 23:22:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-13 23:22:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-13 23:22:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-13 23:22:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:22:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:22:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-13 23:22:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-13 23:22:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:22:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:22:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-13 23:22:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-13 23:22:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-13 23:22:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-13 23:22:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-13 23:22:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-13 23:22:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-13 23:22:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-13 23:22:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-13 23:22:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-13 23:22:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-13 23:22:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-13 23:22:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-13 23:22:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-13 23:22:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-13 23:22:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-13 23:22:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:22:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:22:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:22:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:22:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-13 23:22:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-13 23:22:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:22:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:22:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:22:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-13 23:22:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-13 23:22:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-13 23:22:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-13 23:22:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-13 23:22:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-13 23:22:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-13 23:22:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-13 23:22:46,326 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:22:46,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:22:56,807 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:22:56,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:22:56,850 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:22:56,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:22:56 BoogieIcfgContainer [2022-07-13 23:22:56,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:22:56,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:22:56,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:22:56,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:22:56,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:22:41" (1/3) ... [2022-07-13 23:22:56,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90314e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:22:56, skipping insertion in model container [2022-07-13 23:22:56,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:22:44" (2/3) ... [2022-07-13 23:22:56,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90314e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:22:56, skipping insertion in model container [2022-07-13 23:22:56,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:22:56" (3/3) ... [2022-07-13 23:22:56,861 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:22:56,882 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:22:56,883 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:22:57,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:22:57,078 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@407d3bda, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d70e0db [2022-07-13 23:22:57,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:22:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 2562 states, 1820 states have (on average 1.378021978021978) internal successors, (2508), 1883 states have internal predecessors, (2508), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-07-13 23:22:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-13 23:22:57,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:22:57,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:22:57,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:22:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:22:57,103 INFO L85 PathProgramCache]: Analyzing trace with hash 333389287, now seen corresponding path program 1 times [2022-07-13 23:22:57,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:22:57,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649275100] [2022-07-13 23:22:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:22:57,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:22:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:22:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:22:57,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:22:57,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649275100] [2022-07-13 23:22:57,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649275100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:22:57,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:22:57,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:22:57,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127502497] [2022-07-13 23:22:57,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:22:57,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:22:57,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:22:57,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:22:57,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:57,671 INFO L87 Difference]: Start difference. First operand has 2562 states, 1820 states have (on average 1.378021978021978) internal successors, (2508), 1883 states have internal predecessors, (2508), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:57,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:22:57,925 INFO L93 Difference]: Finished difference Result 5118 states and 7624 transitions. [2022-07-13 23:22:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:22:57,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-13 23:22:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:22:57,957 INFO L225 Difference]: With dead ends: 5118 [2022-07-13 23:22:57,957 INFO L226 Difference]: Without dead ends: 2542 [2022-07-13 23:22:57,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:57,979 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 3673 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:22:57,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 3678 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:22:57,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2022-07-13 23:22:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2022-07-13 23:22:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1803 states have (on average 1.3527454242928452) internal successors, (2439), 1863 states have internal predecessors, (2439), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-07-13 23:22:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3649 transitions. [2022-07-13 23:22:58,152 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3649 transitions. Word has length 9 [2022-07-13 23:22:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:22:58,153 INFO L495 AbstractCegarLoop]: Abstraction has 2542 states and 3649 transitions. [2022-07-13 23:22:58,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3649 transitions. [2022-07-13 23:22:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 23:22:58,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:22:58,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:22:58,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:22:58,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:22:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:22:58,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1743977276, now seen corresponding path program 1 times [2022-07-13 23:22:58,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:22:58,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613433805] [2022-07-13 23:22:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:22:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:22:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:22:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:22:58,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:22:58,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613433805] [2022-07-13 23:22:58,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613433805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:22:58,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:22:58,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:22:58,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130433841] [2022-07-13 23:22:58,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:22:58,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:22:58,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:22:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:22:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:58,297 INFO L87 Difference]: Start difference. First operand 2542 states and 3649 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:22:58,516 INFO L93 Difference]: Finished difference Result 7542 states and 11177 transitions. [2022-07-13 23:22:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:22:58,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-13 23:22:58,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:22:58,544 INFO L225 Difference]: With dead ends: 7542 [2022-07-13 23:22:58,544 INFO L226 Difference]: Without dead ends: 5003 [2022-07-13 23:22:58,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:58,560 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 3640 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 8447 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:22:58,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3640 Valid, 8447 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:22:58,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2022-07-13 23:22:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 5000. [2022-07-13 23:22:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 3552 states have (on average 1.352195945945946) internal successors, (4803), 3665 states have internal predecessors, (4803), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:22:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 7357 transitions. [2022-07-13 23:22:58,719 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 7357 transitions. Word has length 10 [2022-07-13 23:22:58,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:22:58,720 INFO L495 AbstractCegarLoop]: Abstraction has 5000 states and 7357 transitions. [2022-07-13 23:22:58,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 7357 transitions. [2022-07-13 23:22:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 23:22:58,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:22:58,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:22:58,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:22:58,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:22:58,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:22:58,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1772430454, now seen corresponding path program 1 times [2022-07-13 23:22:58,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:22:58,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895128519] [2022-07-13 23:22:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:22:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:22:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:22:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:22:58,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:22:58,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895128519] [2022-07-13 23:22:58,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895128519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:22:58,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:22:58,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:22:58,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783947557] [2022-07-13 23:22:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:22:58,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:22:58,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:22:58,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:22:58,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:58,947 INFO L87 Difference]: Start difference. First operand 5000 states and 7357 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:22:59,067 INFO L93 Difference]: Finished difference Result 5002 states and 7358 transitions. [2022-07-13 23:22:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:22:59,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-13 23:22:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:22:59,094 INFO L225 Difference]: With dead ends: 5002 [2022-07-13 23:22:59,095 INFO L226 Difference]: Without dead ends: 4999 [2022-07-13 23:22:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:59,102 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3639 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:22:59,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 3646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:22:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-07-13 23:22:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4999. [2022-07-13 23:22:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 3552 states have (on average 1.3519144144144144) internal successors, (4802), 3664 states have internal predecessors, (4802), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:22:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 7355 transitions. [2022-07-13 23:22:59,272 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 7355 transitions. Word has length 11 [2022-07-13 23:22:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:22:59,272 INFO L495 AbstractCegarLoop]: Abstraction has 4999 states and 7355 transitions. [2022-07-13 23:22:59,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 7355 transitions. [2022-07-13 23:22:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:22:59,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:22:59,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:22:59,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:22:59,274 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:22:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:22:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash 888084479, now seen corresponding path program 1 times [2022-07-13 23:22:59,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:22:59,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766409558] [2022-07-13 23:22:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:22:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:22:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:22:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:22:59,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:22:59,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766409558] [2022-07-13 23:22:59,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766409558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:22:59,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:22:59,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:22:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554891406] [2022-07-13 23:22:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:22:59,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:22:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:22:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:22:59,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:59,380 INFO L87 Difference]: Start difference. First operand 4999 states and 7355 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:59,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:22:59,481 INFO L93 Difference]: Finished difference Result 5001 states and 7356 transitions. [2022-07-13 23:22:59,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:22:59,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-13 23:22:59,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:22:59,501 INFO L225 Difference]: With dead ends: 5001 [2022-07-13 23:22:59,501 INFO L226 Difference]: Without dead ends: 4998 [2022-07-13 23:22:59,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:59,510 INFO L413 NwaCegarLoop]: 3644 mSDtfsCounter, 3636 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:22:59,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 3644 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:22:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2022-07-13 23:22:59,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4998. [2022-07-13 23:22:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 3552 states have (on average 1.351632882882883) internal successors, (4801), 3663 states have internal predecessors, (4801), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:22:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 7353 transitions. [2022-07-13 23:22:59,671 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 7353 transitions. Word has length 12 [2022-07-13 23:22:59,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:22:59,672 INFO L495 AbstractCegarLoop]: Abstraction has 4998 states and 7353 transitions. [2022-07-13 23:22:59,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 7353 transitions. [2022-07-13 23:22:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 23:22:59,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:22:59,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:22:59,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:22:59,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:22:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:22:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1759673645, now seen corresponding path program 1 times [2022-07-13 23:22:59,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:22:59,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561390297] [2022-07-13 23:22:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:22:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:22:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:22:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:22:59,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:22:59,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561390297] [2022-07-13 23:22:59,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561390297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:22:59,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:22:59,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:22:59,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103098171] [2022-07-13 23:22:59,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:22:59,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:22:59,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:22:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:22:59,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:22:59,865 INFO L87 Difference]: Start difference. First operand 4998 states and 7353 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:22:59,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:22:59,978 INFO L93 Difference]: Finished difference Result 5000 states and 7354 transitions. [2022-07-13 23:22:59,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:22:59,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-13 23:22:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:23:00,008 INFO L225 Difference]: With dead ends: 5000 [2022-07-13 23:23:00,009 INFO L226 Difference]: Without dead ends: 4991 [2022-07-13 23:23:00,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:23:00,013 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 3633 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:23:00,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 3643 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:23:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4991 states. [2022-07-13 23:23:00,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 4991. [2022-07-13 23:23:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4991 states, 3546 states have (on average 1.3513818386914833) internal successors, (4792), 3656 states have internal predecessors, (4792), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:23:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7343 transitions. [2022-07-13 23:23:00,188 INFO L78 Accepts]: Start accepts. Automaton has 4991 states and 7343 transitions. Word has length 13 [2022-07-13 23:23:00,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:23:00,188 INFO L495 AbstractCegarLoop]: Abstraction has 4991 states and 7343 transitions. [2022-07-13 23:23:00,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:23:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7343 transitions. [2022-07-13 23:23:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-13 23:23:00,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:23:00,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:23:00,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:23:00,198 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:23:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:23:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash -924010590, now seen corresponding path program 1 times [2022-07-13 23:23:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:23:00,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188897084] [2022-07-13 23:23:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:23:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:23:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:23:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:23:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:23:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:23:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:23:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:23:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:23:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:23:00,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:23:00,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188897084] [2022-07-13 23:23:00,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188897084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:23:00,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:23:00,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:23:00,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459070705] [2022-07-13 23:23:00,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:23:00,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:23:00,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:23:00,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:23:00,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:23:00,380 INFO L87 Difference]: Start difference. First operand 4991 states and 7343 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 23:23:03,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:23:06,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:23:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:23:10,995 INFO L93 Difference]: Finished difference Result 10706 states and 16434 transitions. [2022-07-13 23:23:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:23:10,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2022-07-13 23:23:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:23:11,043 INFO L225 Difference]: With dead ends: 10706 [2022-07-13 23:23:11,043 INFO L226 Difference]: Without dead ends: 5718 [2022-07-13 23:23:11,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:23:11,070 INFO L413 NwaCegarLoop]: 3476 mSDtfsCounter, 824 mSDsluCounter, 3593 mSDsCounter, 0 mSdLazyCounter, 3042 mSolverCounterSat, 721 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 3042 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:23:11,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 7069 Invalid, 3765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 3042 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-07-13 23:23:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5718 states. [2022-07-13 23:23:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5718 to 5407. [2022-07-13 23:23:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5407 states, 3836 states have (on average 1.3477580813347236) internal successors, (5170), 3956 states have internal predecessors, (5170), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 317 states have return successors, (1684), 1275 states have call predecessors, (1684), 1249 states have call successors, (1684) [2022-07-13 23:23:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 5407 states and 8107 transitions. [2022-07-13 23:23:11,277 INFO L78 Accepts]: Start accepts. Automaton has 5407 states and 8107 transitions. Word has length 53 [2022-07-13 23:23:11,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:23:11,278 INFO L495 AbstractCegarLoop]: Abstraction has 5407 states and 8107 transitions. [2022-07-13 23:23:11,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 23:23:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 8107 transitions. [2022-07-13 23:23:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 23:23:11,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:23:11,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:23:11,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 23:23:11,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:23:11,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:23:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash 858105792, now seen corresponding path program 1 times [2022-07-13 23:23:11,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:23:11,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777611814] [2022-07-13 23:23:11,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:23:11,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:23:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:23:11,513 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:23:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:23:11,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 23:23:11,683 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:23:11,683 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:23:11,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 23:23:11,686 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:23:11,688 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:23:11,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:23:11 BoogieIcfgContainer [2022-07-13 23:23:11,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:23:11,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:23:11,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:23:11,790 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:23:11,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:22:56" (3/4) ... [2022-07-13 23:23:11,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 23:23:11,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:23:11,793 INFO L158 Benchmark]: Toolchain (without parser) took 30342.35ms. Allocated memory was 113.2MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 70.8MB in the beginning and 616.6MB in the end (delta: -545.7MB). Peak memory consumption was 465.2MB. Max. memory is 16.1GB. [2022-07-13 23:23:11,793 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:23:11,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3290.06ms. Allocated memory was 113.2MB in the beginning and 239.1MB in the end (delta: 125.8MB). Free memory was 70.7MB in the beginning and 139.8MB in the end (delta: -69.1MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2022-07-13 23:23:11,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 323.57ms. Allocated memory is still 239.1MB. Free memory was 139.8MB in the beginning and 136.6MB in the end (delta: 3.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-07-13 23:23:11,794 INFO L158 Benchmark]: Boogie Preprocessor took 289.40ms. Allocated memory is still 239.1MB. Free memory was 136.6MB in the beginning and 82.6MB in the end (delta: 54.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-07-13 23:23:11,794 INFO L158 Benchmark]: RCFGBuilder took 11484.34ms. Allocated memory was 239.1MB in the beginning and 710.9MB in the end (delta: 471.9MB). Free memory was 82.6MB in the beginning and 198.3MB in the end (delta: -115.7MB). Peak memory consumption was 376.0MB. Max. memory is 16.1GB. [2022-07-13 23:23:11,795 INFO L158 Benchmark]: TraceAbstraction took 14934.09ms. Allocated memory was 710.9MB in the beginning and 1.1GB in the end (delta: 413.1MB). Free memory was 198.3MB in the beginning and 616.6MB in the end (delta: -418.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:23:11,795 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 1.1GB. Free memory is still 616.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:23:11,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3290.06ms. Allocated memory was 113.2MB in the beginning and 239.1MB in the end (delta: 125.8MB). Free memory was 70.7MB in the beginning and 139.8MB in the end (delta: -69.1MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 323.57ms. Allocated memory is still 239.1MB. Free memory was 139.8MB in the beginning and 136.6MB in the end (delta: 3.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 289.40ms. Allocated memory is still 239.1MB. Free memory was 136.6MB in the beginning and 82.6MB in the end (delta: 54.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 11484.34ms. Allocated memory was 239.1MB in the beginning and 710.9MB in the end (delta: 471.9MB). Free memory was 82.6MB in the beginning and 198.3MB in the end (delta: -115.7MB). Peak memory consumption was 376.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14934.09ms. Allocated memory was 710.9MB in the beginning and 1.1GB in the end (delta: 413.1MB). Free memory was 198.3MB in the beginning and 616.6MB in the end (delta: -418.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 1.1GB. Free memory is still 616.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=1] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=1] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=1] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->fw_mutex_owner={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5241:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5241:0}, lock={5241:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2562 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 19118 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19045 mSDsluCounter, 30127 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7295 mSDsCounter, 728 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3060 IncrementalHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 728 mSolverCounterUnsat, 22832 mSDtfsCounter, 3060 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5407occurred in iteration=6, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 314 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-13 23:23:11,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:23:13,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:23:13,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:23:13,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:23:13,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:23:13,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:23:13,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:23:13,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:23:13,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:23:13,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:23:13,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:23:13,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:23:13,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:23:13,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:23:13,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:23:13,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:23:13,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:23:13,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:23:13,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:23:13,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:23:13,592 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:23:13,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:23:13,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:23:13,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:23:13,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:23:13,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:23:13,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:23:13,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:23:13,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:23:13,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:23:13,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:23:13,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:23:13,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:23:13,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:23:13,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:23:13,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:23:13,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:23:13,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:23:13,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:23:13,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:23:13,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:23:13,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:23:13,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:23:13,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:23:13,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:23:13,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:23:13,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:23:13,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:23:13,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:23:13,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:23:13,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:23:13,641 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:23:13,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:23:13,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:23:13,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:23:13,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:23:13,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:23:13,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:23:13,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:23:13,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:23:13,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:23:13,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:23:13,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:23:13,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:23:13,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:23:13,652 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-07-13 23:23:13,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:23:13,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:23:13,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:23:13,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:23:13,950 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:23:13,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:23:14,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358682f34/f2952f06ebd6409e94bf27c34c5afd69/FLAG3c78d03b2 [2022-07-13 23:23:14,659 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:23:14,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:23:14,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358682f34/f2952f06ebd6409e94bf27c34c5afd69/FLAG3c78d03b2 [2022-07-13 23:23:14,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358682f34/f2952f06ebd6409e94bf27c34c5afd69 [2022-07-13 23:23:14,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:23:14,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:23:14,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:23:14,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:23:14,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:23:14,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:23:14" (1/1) ... [2022-07-13 23:23:14,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93fc525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:14, skipping insertion in model container [2022-07-13 23:23:14,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:23:14" (1/1) ... [2022-07-13 23:23:14,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:23:14,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:23:16,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-13 23:23:16,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:23:17,020 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:23:17,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:23:17,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-13 23:23:17,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:23:17,383 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:23:17,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-13 23:23:17,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:23:17,789 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:23:17,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17 WrapperNode [2022-07-13 23:23:17,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:23:17,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:23:17,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:23:17,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:23:17,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:17,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,141 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2022-07-13 23:23:18,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:23:18,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:23:18,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:23:18,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:23:18,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:23:18,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:23:18,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:23:18,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:23:18,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (1/1) ... [2022-07-13 23:23:18,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:23:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:23:18,599 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) [2022-07-13 23:23:18,630 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 [2022-07-13 23:23:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-13 23:23:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-13 23:23:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-13 23:23:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-13 23:23:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-13 23:23:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-13 23:23:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:23:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:23:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:23:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:23:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:23:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:23:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-13 23:23:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-13 23:23:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:23:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:23:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-07-13 23:23:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-07-13 23:23:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-13 23:23:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-13 23:23:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:23:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:23:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-13 23:23:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-13 23:23:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-13 23:23:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-13 23:23:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-13 23:23:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-13 23:23:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-13 23:23:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-13 23:23:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-13 23:23:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-13 23:23:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-13 23:23:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-13 23:23:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-13 23:23:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-07-13 23:23:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-13 23:23:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:23:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:23:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-13 23:23:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-13 23:23:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-13 23:23:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-13 23:23:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-13 23:23:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-13 23:23:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:23:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:23:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:23:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:23:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:23:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:23:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-13 23:23:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-13 23:23:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-13 23:23:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-13 23:23:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-13 23:23:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-13 23:23:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:23:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:23:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:23:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:23:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-13 23:23:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-13 23:23:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-13 23:23:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-13 23:23:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-13 23:23:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-13 23:23:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:23:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:23:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:23:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:23:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-13 23:23:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-13 23:23:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-13 23:23:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-13 23:23:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:23:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:23:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:23:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-13 23:23:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-13 23:23:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:23:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-13 23:23:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-13 23:23:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:23:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:23:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:23:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:23:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:23:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:23:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-13 23:23:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-13 23:23:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:23:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-13 23:23:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-13 23:23:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-13 23:23:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-13 23:23:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:23:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:23:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-13 23:23:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-13 23:23:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:23:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:23:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-13 23:23:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-13 23:23:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-13 23:23:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-13 23:23:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:23:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:23:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:23:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-13 23:23:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-13 23:23:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:23:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:23:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:23:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:23:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:23:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-13 23:23:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-13 23:23:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:23:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:23:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:23:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-13 23:23:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-13 23:23:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-13 23:23:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-13 23:23:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:23:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:23:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-13 23:23:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-13 23:23:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:23:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:23:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-13 23:23:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-13 23:23:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-13 23:23:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-13 23:23:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:23:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-13 23:23:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-13 23:23:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:23:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:23:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-13 23:23:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-13 23:23:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-13 23:23:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:23:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:23:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-13 23:23:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-13 23:23:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-13 23:23:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-13 23:23:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-13 23:23:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-13 23:23:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:23:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:23:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:23:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:23:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-13 23:23:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-13 23:23:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:23:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-13 23:23:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-13 23:23:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-13 23:23:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-13 23:23:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-13 23:23:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-13 23:23:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:23:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-13 23:23:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:23:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:23:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-13 23:23:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-13 23:23:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-13 23:23:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:23:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:23:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-13 23:23:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-13 23:23:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-13 23:23:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-13 23:23:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-13 23:23:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-13 23:23:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-07-13 23:23:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-07-13 23:23:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:23:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:23:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:23:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:23:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-13 23:23:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-13 23:23:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-13 23:23:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-13 23:23:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-13 23:23:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-13 23:23:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-13 23:23:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-13 23:23:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-13 23:23:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-13 23:23:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-13 23:23:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-13 23:23:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:23:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:23:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:23:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:23:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-13 23:23:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-13 23:23:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:23:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:23:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:23:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:23:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:23:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:23:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-13 23:23:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-13 23:23:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-07-13 23:23:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-07-13 23:23:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-13 23:23:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-13 23:23:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-13 23:23:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-13 23:23:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:23:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-13 23:23:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:23:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-13 23:23:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-13 23:23:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-13 23:23:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-13 23:23:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-13 23:23:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-13 23:23:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-13 23:23:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-13 23:23:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-13 23:23:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:23:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:23:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-13 23:23:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:23:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-13 23:23:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-13 23:23:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-13 23:23:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-13 23:23:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-13 23:23:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-13 23:23:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-13 23:23:19,457 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:23:19,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:25:11,299 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:25:11,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:25:11,318 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:25:11,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:25:11 BoogieIcfgContainer [2022-07-13 23:25:11,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:25:11,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:25:11,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:25:11,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:25:11,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:23:14" (1/3) ... [2022-07-13 23:25:11,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58601eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:25:11, skipping insertion in model container [2022-07-13 23:25:11,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:23:17" (2/3) ... [2022-07-13 23:25:11,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58601eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:25:11, skipping insertion in model container [2022-07-13 23:25:11,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:25:11" (3/3) ... [2022-07-13 23:25:11,327 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-13 23:25:11,336 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:25:11,336 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:25:11,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:25:11,420 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@68a09231, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@762fce39 [2022-07-13 23:25:11,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:25:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-07-13 23:25:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-13 23:25:11,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:11,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:11,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2022-07-13 23:25:11,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:11,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551163370] [2022-07-13 23:25:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:11,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:11,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:11,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:11,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:25:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:12,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:12,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:13,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:13,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:13,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551163370] [2022-07-13 23:25:13,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551163370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:13,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:13,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:13,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002416781] [2022-07-13 23:25:13,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:13,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:13,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:13,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:13,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:13,231 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:13,566 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2022-07-13 23:25:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:13,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-13 23:25:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:13,593 INFO L225 Difference]: With dead ends: 5004 [2022-07-13 23:25:13,593 INFO L226 Difference]: Without dead ends: 2485 [2022-07-13 23:25:13,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:13,614 INFO L413 NwaCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:13,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 23:25:13,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-07-13 23:25:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2022-07-13 23:25:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-07-13 23:25:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2022-07-13 23:25:13,775 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2022-07-13 23:25:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:13,775 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2022-07-13 23:25:13,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2022-07-13 23:25:13,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 23:25:13,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:13,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:13,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:25:13,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:13,999 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2022-07-13 23:25:14,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:14,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904988039] [2022-07-13 23:25:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:14,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:14,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:25:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:15,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:15,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:15,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:15,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:15,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904988039] [2022-07-13 23:25:15,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904988039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:15,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:15,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:15,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948075716] [2022-07-13 23:25:15,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:15,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:15,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:15,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:15,760 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:16,292 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2022-07-13 23:25:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:16,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-13 23:25:16,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:16,315 INFO L225 Difference]: With dead ends: 7371 [2022-07-13 23:25:16,315 INFO L226 Difference]: Without dead ends: 4889 [2022-07-13 23:25:16,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:16,327 INFO L413 NwaCegarLoop]: 4639 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:16,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 23:25:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2022-07-13 23:25:16,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2022-07-13 23:25:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:25:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2022-07-13 23:25:16,507 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2022-07-13 23:25:16,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:16,507 INFO L495 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2022-07-13 23:25:16,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2022-07-13 23:25:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 23:25:16,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:16,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:16,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:25:16,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:16,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:16,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:16,731 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2022-07-13 23:25:16,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:16,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679855917] [2022-07-13 23:25:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:16,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:16,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:16,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:16,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 23:25:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:18,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:18,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:18,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:18,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:18,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679855917] [2022-07-13 23:25:18,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679855917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:18,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:18,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:18,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608122033] [2022-07-13 23:25:18,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:18,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:18,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:18,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:18,499 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:18,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:18,776 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2022-07-13 23:25:18,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:18,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-13 23:25:18,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:18,805 INFO L225 Difference]: With dead ends: 4888 [2022-07-13 23:25:18,806 INFO L226 Difference]: Without dead ends: 4885 [2022-07-13 23:25:18,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:18,812 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:18,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 23:25:18,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2022-07-13 23:25:18,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2022-07-13 23:25:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:25:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2022-07-13 23:25:18,999 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2022-07-13 23:25:18,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:18,999 INFO L495 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2022-07-13 23:25:19,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2022-07-13 23:25:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:25:19,001 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:19,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:19,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-13 23:25:19,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:19,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:19,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2022-07-13 23:25:19,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:19,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950343392] [2022-07-13 23:25:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:19,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:19,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:19,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:19,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 23:25:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:20,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:20,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:21,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:21,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:21,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950343392] [2022-07-13 23:25:21,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950343392] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:21,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:21,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093036016] [2022-07-13 23:25:21,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:21,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:21,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:21,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:21,197 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:21,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:21,428 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2022-07-13 23:25:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:21,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-13 23:25:21,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:21,451 INFO L225 Difference]: With dead ends: 4887 [2022-07-13 23:25:21,451 INFO L226 Difference]: Without dead ends: 4884 [2022-07-13 23:25:21,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:21,455 INFO L413 NwaCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:21,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 23:25:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2022-07-13 23:25:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2022-07-13 23:25:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:25:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2022-07-13 23:25:21,632 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2022-07-13 23:25:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:21,632 INFO L495 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2022-07-13 23:25:21,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2022-07-13 23:25:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 23:25:21,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:21,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:21,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:25:21,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:21,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:21,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2022-07-13 23:25:21,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:21,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45616326] [2022-07-13 23:25:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:21,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:21,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:21,876 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:21,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 23:25:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:23,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:23,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:23,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:23,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:23,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45616326] [2022-07-13 23:25:23,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45616326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:23,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:23,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:23,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819804631] [2022-07-13 23:25:23,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:23,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:23,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:23,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:23,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:23,660 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:23,846 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2022-07-13 23:25:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-13 23:25:23,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:23,886 INFO L225 Difference]: With dead ends: 4886 [2022-07-13 23:25:23,886 INFO L226 Difference]: Without dead ends: 4877 [2022-07-13 23:25:23,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:23,889 INFO L413 NwaCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:23,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:25:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2022-07-13 23:25:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2022-07-13 23:25:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:25:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2022-07-13 23:25:24,025 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2022-07-13 23:25:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:24,025 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2022-07-13 23:25:24,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:25:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2022-07-13 23:25:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-13 23:25:24,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:24,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:24,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-13 23:25:24,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:24,258 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:24,258 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2022-07-13 23:25:24,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:24,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957120096] [2022-07-13 23:25:24,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:24,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:24,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:24,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 23:25:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:25:25,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:25:25,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:25:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:25:26,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:25:26,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:25:26,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957120096] [2022-07-13 23:25:26,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957120096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:25:26,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:25:26,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:25:26,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170372165] [2022-07-13 23:25:26,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:25:26,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:25:26,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:25:26,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:25:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:26,007 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 23:25:26,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:25:26,281 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2022-07-13 23:25:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:25:26,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2022-07-13 23:25:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:25:26,321 INFO L225 Difference]: With dead ends: 9753 [2022-07-13 23:25:26,321 INFO L226 Difference]: Without dead ends: 4879 [2022-07-13 23:25:26,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:25:26,353 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 0 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:25:26,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:25:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2022-07-13 23:25:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2022-07-13 23:25:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3513986013986015) internal successors, (4638), 3542 states have internal predecessors, (4638), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-13 23:25:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2022-07-13 23:25:26,527 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2022-07-13 23:25:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:25:26,528 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2022-07-13 23:25:26,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 23:25:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2022-07-13 23:25:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 23:25:26,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:25:26,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:25:26,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-13 23:25:26,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:25:26,756 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:25:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:25:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2022-07-13 23:25:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:25:26,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723431124] [2022-07-13 23:25:26,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:25:26,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:25:26,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:25:26,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:25:26,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process