./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:40:33,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:40:33,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:40:33,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:40:33,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:40:33,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:40:33,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:40:33,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:40:33,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:40:33,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:40:33,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:40:33,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:40:33,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:40:33,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:40:33,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:40:33,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:40:33,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:40:33,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:40:33,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:40:33,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:40:33,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:40:33,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:40:33,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:40:33,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:40:33,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:40:33,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:40:33,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:40:33,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:40:33,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:40:33,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:40:33,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:40:33,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:40:33,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:40:33,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:40:33,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:40:33,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:40:33,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:40:33,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:40:33,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:40:33,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:40:33,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:40:33,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:40:33,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:40:33,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:40:33,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:40:33,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:40:33,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:40:33,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:40:33,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:40:33,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:40:33,074 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:40:33,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:40:33,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:40:33,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:40:33,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:40:33,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:40:33,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:40:33,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:40:33,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:33,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:40:33,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:40:33,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:40:33,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:40:33,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:40:33,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:40:33,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:40:33,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:40:33,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:40:33,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 [2021-12-22 14:40:33,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:40:33,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:40:33,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:40:33,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:40:33,291 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:40:33,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2021-12-22 14:40:33,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59bd96b95/34f802614c244e88ad885f20a2e3cb41/FLAG1bd82425d [2021-12-22 14:40:34,045 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:40:34,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2021-12-22 14:40:34,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59bd96b95/34f802614c244e88ad885f20a2e3cb41/FLAG1bd82425d [2021-12-22 14:40:34,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59bd96b95/34f802614c244e88ad885f20a2e3cb41 [2021-12-22 14:40:34,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:40:34,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:40:34,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:34,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:40:34,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:40:34,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:34" (1/1) ... [2021-12-22 14:40:34,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637b9f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:34, skipping insertion in model container [2021-12-22 14:40:34,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:34" (1/1) ... [2021-12-22 14:40:34,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:40:34,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:35,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2021-12-22 14:40:37,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:37,372 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:40:37,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2021-12-22 14:40:37,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:37,938 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:40:37,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37 WrapperNode [2021-12-22 14:40:37,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:37,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:37,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:40:37,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:40:37,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,322 INFO L137 Inliner]: procedures = 418, calls = 3842, calls flagged for inlining = 181, calls inlined = 158, statements flattened = 7829 [2021-12-22 14:40:38,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:38,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:40:38,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:40:38,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:40:38,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:40:38,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:40:38,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:40:38,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:40:38,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:38,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:38,746 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) [2021-12-22 14:40:38,780 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 [2021-12-22 14:40:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-12-22 14:40:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-12-22 14:40:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-12-22 14:40:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-12-22 14:40:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-22 14:40:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-22 14:40:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:40:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:40:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2021-12-22 14:40:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2021-12-22 14:40:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 14:40:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 14:40:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:40:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:40:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2021-12-22 14:40:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2021-12-22 14:40:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:40:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:40:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:40:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:40:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 14:40:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 14:40:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:40:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:40:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 14:40:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 14:40:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:40:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:40:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2021-12-22 14:40:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2021-12-22 14:40:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2021-12-22 14:40:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2021-12-22 14:40:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-12-22 14:40:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-12-22 14:40:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:40:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 14:40:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 14:40:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-12-22 14:40:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-12-22 14:40:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-12-22 14:40:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-12-22 14:40:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2021-12-22 14:40:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2021-12-22 14:40:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:40:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-12-22 14:40:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-12-22 14:40:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2021-12-22 14:40:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2021-12-22 14:40:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 14:40:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 14:40:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:40:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 14:40:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 14:40:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:40:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:40:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2021-12-22 14:40:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2021-12-22 14:40:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-12-22 14:40:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-12-22 14:40:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-12-22 14:40:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-12-22 14:40:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-12-22 14:40:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-12-22 14:40:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:40:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:40:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 14:40:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 14:40:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:40:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:40:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:40:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:40:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-12-22 14:40:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-12-22 14:40:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:40:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-22 14:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-22 14:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-12-22 14:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-12-22 14:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-12-22 14:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-12-22 14:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:40:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-12-22 14:40:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-12-22 14:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2021-12-22 14:40:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2021-12-22 14:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-22 14:40:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-22 14:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 14:40:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 14:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2021-12-22 14:40:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2021-12-22 14:40:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 14:40:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 14:40:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:40:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:40:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2021-12-22 14:40:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2021-12-22 14:40:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-12-22 14:40:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-12-22 14:40:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-22 14:40:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-22 14:40:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-22 14:40:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-12-22 14:40:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-12-22 14:40:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:40:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2021-12-22 14:40:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2021-12-22 14:40:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 14:40:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 14:40:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:40:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-22 14:40:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-22 14:40:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:40:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:40:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:40:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:40:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-12-22 14:40:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-12-22 14:40:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-12-22 14:40:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-12-22 14:40:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-22 14:40:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-22 14:40:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 14:40:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 14:40:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-12-22 14:40:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-12-22 14:40:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:40:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:40:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-22 14:40:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-22 14:40:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-12-22 14:40:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-12-22 14:40:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:40:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:40:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-22 14:40:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-22 14:40:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 14:40:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 14:40:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:40:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:40:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-12-22 14:40:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-12-22 14:40:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-12-22 14:40:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-12-22 14:40:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:40:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:40:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-12-22 14:40:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-12-22 14:40:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:40:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:40:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-12-22 14:40:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-12-22 14:40:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2021-12-22 14:40:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2021-12-22 14:40:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 14:40:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 14:40:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:40:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:40:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-22 14:40:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-22 14:40:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-12-22 14:40:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-12-22 14:40:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-12-22 14:40:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-12-22 14:40:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-12-22 14:40:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-12-22 14:40:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-12-22 14:40:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-12-22 14:40:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-12-22 14:40:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-12-22 14:40:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-12-22 14:40:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-12-22 14:40:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-12-22 14:40:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-12-22 14:40:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:40:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:40:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-22 14:40:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-22 14:40:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-22 14:40:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-22 14:40:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:40:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:40:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 14:40:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 14:40:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-22 14:40:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-22 14:40:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-12-22 14:40:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-12-22 14:40:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:40:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:40:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-12-22 14:40:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-12-22 14:40:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:40:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:40:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-22 14:40:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-22 14:40:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 14:40:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 14:40:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2021-12-22 14:40:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2021-12-22 14:40:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:40:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:40:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 14:40:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 14:40:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 14:40:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 14:40:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-12-22 14:40:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-12-22 14:40:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-12-22 14:40:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-12-22 14:40:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 14:40:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 14:40:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:40:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-12-22 14:40:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-12-22 14:40:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:40:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:40:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:40:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-12-22 14:40:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-12-22 14:40:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2021-12-22 14:40:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2021-12-22 14:40:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-12-22 14:40:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-12-22 14:40:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2021-12-22 14:40:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2021-12-22 14:40:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-12-22 14:40:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-12-22 14:40:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-12-22 14:40:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-12-22 14:40:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-12-22 14:40:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-12-22 14:40:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:40:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:40:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:40:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-22 14:40:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-22 14:40:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-12-22 14:40:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-12-22 14:40:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-12-22 14:40:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-12-22 14:40:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:40:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:40:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-12-22 14:40:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-12-22 14:40:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-12-22 14:40:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-12-22 14:40:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-22 14:40:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-22 14:40:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2021-12-22 14:40:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2021-12-22 14:40:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:40:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:40:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-22 14:40:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-22 14:40:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-12-22 14:40:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-12-22 14:40:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-22 14:40:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-22 14:40:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-22 14:40:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-22 14:40:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:40:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:40:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2021-12-22 14:40:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2021-12-22 14:40:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-12-22 14:40:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-12-22 14:40:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-12-22 14:40:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-12-22 14:40:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-12-22 14:40:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-12-22 14:40:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-12-22 14:40:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-12-22 14:40:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:40:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:40:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-22 14:40:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-22 14:40:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:40:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-22 14:40:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-22 14:40:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:40:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:40:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-22 14:40:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-22 14:40:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-22 14:40:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-22 14:40:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-12-22 14:40:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-12-22 14:40:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 14:40:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 14:40:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2021-12-22 14:40:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2021-12-22 14:40:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-22 14:40:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-22 14:40:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:40:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:40:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-12-22 14:40:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-12-22 14:40:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2021-12-22 14:40:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2021-12-22 14:40:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-22 14:40:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-22 14:40:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 14:40:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 14:40:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-12-22 14:40:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-12-22 14:40:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2021-12-22 14:40:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2021-12-22 14:40:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-12-22 14:40:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-12-22 14:40:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-22 14:40:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-22 14:40:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 14:40:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 14:40:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:40:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:40:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-12-22 14:40:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-12-22 14:40:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-12-22 14:40:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-12-22 14:40:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:40:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:40:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-12-22 14:40:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-12-22 14:40:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-22 14:40:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-22 14:40:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:40:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-12-22 14:40:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-12-22 14:40:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-12-22 14:40:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-12-22 14:40:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-12-22 14:40:38,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-12-22 14:40:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-22 14:40:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-22 14:40:38,867 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-22 14:40:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-22 14:40:38,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-22 14:40:39,708 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:40:39,721 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:40:43,428 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:40:51,028 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:40:51,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:40:51,058 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 14:40:51,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:51 BoogieIcfgContainer [2021-12-22 14:40:51,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:40:51,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:40:51,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:40:51,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:40:51,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:40:34" (1/3) ... [2021-12-22 14:40:51,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c4b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:51, skipping insertion in model container [2021-12-22 14:40:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37" (2/3) ... [2021-12-22 14:40:51,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c4b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:51, skipping insertion in model container [2021-12-22 14:40:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:51" (3/3) ... [2021-12-22 14:40:51,072 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2021-12-22 14:40:51,076 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:40:51,076 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:40:51,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:40:51,144 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:40:51,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:40:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 3046 states, 2163 states have (on average 1.387424872861766) internal successors, (3001), 2233 states have internal predecessors, (3001), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) [2021-12-22 14:40:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-22 14:40:51,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:51,227 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:40:51,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:51,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash -295509175, now seen corresponding path program 1 times [2021-12-22 14:40:51,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:51,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064318145] [2021-12-22 14:40:51,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:51,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:40:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:40:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:40:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:40:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:40:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:40:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:40:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:40:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:40:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:40:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:40:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:40:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:40:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:40:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:40:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:40:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:40:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:40:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:40:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:40:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:40:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 14:40:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:40:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 14:40:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:40:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-22 14:40:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:40:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2021-12-22 14:40:52,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:52,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064318145] [2021-12-22 14:40:52,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064318145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:52,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:52,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:40:52,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198687194] [2021-12-22 14:40:52,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:52,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:40:52,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:52,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:40:52,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:52,305 INFO L87 Difference]: Start difference. First operand has 3046 states, 2163 states have (on average 1.387424872861766) internal successors, (3001), 2233 states have internal predecessors, (3001), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-22 14:40:55,657 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 [] [2021-12-22 14:40:57,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:01,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:03,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:09,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:11,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:15,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:17,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:26,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:26,998 INFO L93 Difference]: Finished difference Result 10834 states and 16911 transitions. [2021-12-22 14:41:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:41:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2021-12-22 14:41:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:27,056 INFO L225 Difference]: With dead ends: 10834 [2021-12-22 14:41:27,056 INFO L226 Difference]: Without dead ends: 7733 [2021-12-22 14:41:27,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:41:27,086 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 10215 mSDsluCounter, 7115 mSDsCounter, 0 mSdLazyCounter, 6193 mSolverCounterSat, 5106 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10741 SdHoareTripleChecker+Valid, 11828 SdHoareTripleChecker+Invalid, 11307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5106 IncrementalHoareTripleChecker+Valid, 6193 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:27,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10741 Valid, 11828 Invalid, 11307 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5106 Valid, 6193 Invalid, 8 Unknown, 0 Unchecked, 33.8s Time] [2021-12-22 14:41:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2021-12-22 14:41:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 5947. [2021-12-22 14:41:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5947 states, 4241 states have (on average 1.3791558594671067) internal successors, (5849), 4357 states have internal predecessors, (5849), 1389 states have call successors, (1389), 317 states have call predecessors, (1389), 316 states have return successors, (1388), 1368 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-22 14:41:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5947 states to 5947 states and 8626 transitions. [2021-12-22 14:41:27,419 INFO L78 Accepts]: Start accepts. Automaton has 5947 states and 8626 transitions. Word has length 199 [2021-12-22 14:41:27,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:27,422 INFO L470 AbstractCegarLoop]: Abstraction has 5947 states and 8626 transitions. [2021-12-22 14:41:27,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-22 14:41:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5947 states and 8626 transitions. [2021-12-22 14:41:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-22 14:41:27,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:27,427 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:41:27,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:41:27,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1626075355, now seen corresponding path program 1 times [2021-12-22 14:41:27,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:27,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196107623] [2021-12-22 14:41:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:27,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:41:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:41:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:41:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:41:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:41:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:41:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:41:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:41:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:41:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:41:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:41:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:41:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:41:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:41:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:41:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:41:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:41:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:41:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:41:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:41:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:41:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 14:41:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:41:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 14:41:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:41:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-22 14:41:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:41:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2021-12-22 14:41:28,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:28,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196107623] [2021-12-22 14:41:28,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196107623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:28,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:28,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:41:28,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845201786] [2021-12-22 14:41:28,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:28,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:41:28,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:41:28,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:41:28,057 INFO L87 Difference]: Start difference. First operand 5947 states and 8626 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 14:41:33,511 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 [] [2021-12-22 14:41:35,523 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 []