./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:20:59,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:20:59,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:21:00,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:21:00,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:21:00,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:21:00,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:21:00,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:21:00,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:21:00,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:21:00,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:21:00,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:21:00,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:21:00,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:21:00,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:21:00,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:21:00,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:21:00,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:21:00,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:21:00,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:21:00,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:21:00,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:21:00,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:21:00,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:21:00,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:21:00,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:21:00,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:21:00,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:21:00,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:21:00,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:21:00,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:21:00,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:21:00,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:21:00,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:21:00,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:21:00,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:21:00,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:21:00,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:21:00,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:21:00,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:21:00,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:21:00,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:21:00,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:21:00,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:21:00,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:21:00,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:21:00,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:21:00,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:21:00,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:21:00,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:21:00,089 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:21:00,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:21:00,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:21:00,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:21:00,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:21:00,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:21:00,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:21:00,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:21:00,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:21:00,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:21:00,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:21:00,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:21:00,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2021-12-14 18:21:00,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:21:00,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:21:00,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:21:00,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:21:00,351 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:21:00,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-14 18:21:00,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3aa2b47d/4fa74419a7db4f0ca52db1cc68c575e4/FLAGd66c27223 [2021-12-14 18:21:01,090 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:21:01,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-14 18:21:01,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3aa2b47d/4fa74419a7db4f0ca52db1cc68c575e4/FLAGd66c27223 [2021-12-14 18:21:01,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3aa2b47d/4fa74419a7db4f0ca52db1cc68c575e4 [2021-12-14 18:21:01,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:21:01,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:21:01,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:21:01,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:21:01,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:21:01,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:01" (1/1) ... [2021-12-14 18:21:01,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc13549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:01, skipping insertion in model container [2021-12-14 18:21:01,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:01" (1/1) ... [2021-12-14 18:21:01,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:21:01,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:21:04,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-12-14 18:21:04,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:21:04,248 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:21:04,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-12-14 18:21:04,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:21:04,675 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:21:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04 WrapperNode [2021-12-14 18:21:04,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:21:04,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:21:04,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:21:04,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:21:04,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:04,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,006 INFO L137 Inliner]: procedures = 440, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8251 [2021-12-14 18:21:05,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:21:05,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:21:05,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:21:05,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:21:05,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:21:05,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:21:05,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:21:05,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:21:05,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (1/1) ... [2021-12-14 18:21:05,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:21:05,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:21:05,362 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) [2021-12-14 18:21:05,377 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 [2021-12-14 18:21:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-14 18:21:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-14 18:21:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-14 18:21:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-14 18:21:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-14 18:21:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-14 18:21:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-14 18:21:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-14 18:21:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:21:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:21:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:21:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:21:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:21:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:21:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:21:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:21:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-14 18:21:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-14 18:21:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-14 18:21:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-14 18:21:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-14 18:21:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-14 18:21:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-14 18:21:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-14 18:21:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-14 18:21:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-14 18:21:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 18:21:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 18:21:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:21:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:21:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-14 18:21:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-14 18:21:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:21:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:21:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:21:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:21:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-14 18:21:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-14 18:21:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-14 18:21:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-14 18:21:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-14 18:21:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-14 18:21:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-14 18:21:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-14 18:21:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-14 18:21:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-14 18:21:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-14 18:21:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-14 18:21:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:21:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:21:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:21:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:21:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:21:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-14 18:21:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-14 18:21:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-14 18:21:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-14 18:21:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:21:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:21:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-14 18:21:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-14 18:21:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:21:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-14 18:21:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-14 18:21:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:21:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:21:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:21:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:21:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-14 18:21:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-14 18:21:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:21:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-14 18:21:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-14 18:21:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-14 18:21:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-14 18:21:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:21:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2021-12-14 18:21:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2021-12-14 18:21:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:21:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:21:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-14 18:21:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-14 18:21:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:21:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:21:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-14 18:21:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-14 18:21:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:21:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:21:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-14 18:21:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-14 18:21:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-14 18:21:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-14 18:21:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-14 18:21:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-14 18:21:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:21:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:21:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:21:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:21:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-14 18:21:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-14 18:21:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-14 18:21:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-14 18:21:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-14 18:21:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-14 18:21:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:21:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:21:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-14 18:21:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-14 18:21:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:21:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:21:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:21:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:21:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-14 18:21:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-14 18:21:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-14 18:21:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-14 18:21:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:21:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:21:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:21:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:21:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:21:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2021-12-14 18:21:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2021-12-14 18:21:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-14 18:21:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-14 18:21:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-14 18:21:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-14 18:21:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-14 18:21:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-14 18:21:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-14 18:21:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-14 18:21:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-14 18:21:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-14 18:21:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-14 18:21:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-14 18:21:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-14 18:21:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-14 18:21:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-14 18:21:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-14 18:21:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-14 18:21:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-14 18:21:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-14 18:21:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-14 18:21:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:21:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:21:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:21:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:21:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-14 18:21:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-14 18:21:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:21:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:21:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-14 18:21:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-14 18:21:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:21:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:21:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-14 18:21:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-14 18:21:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:21:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:21:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-14 18:21:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-14 18:21:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-14 18:21:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-14 18:21:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2021-12-14 18:21:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2021-12-14 18:21:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-14 18:21:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-14 18:21:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-14 18:21:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-14 18:21:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-14 18:21:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-14 18:21:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-14 18:21:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-14 18:21:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-14 18:21:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-14 18:21:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-14 18:21:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-14 18:21:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-14 18:21:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-14 18:21:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:21:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:21:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 18:21:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 18:21:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:21:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:21:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-14 18:21:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-14 18:21:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:21:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:21:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-14 18:21:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-14 18:21:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:21:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:21:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-14 18:21:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-14 18:21:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-14 18:21:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-14 18:21:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-14 18:21:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:21:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:21:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:21:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-14 18:21:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-14 18:21:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:21:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:21:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:21:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:21:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-14 18:21:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-14 18:21:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-14 18:21:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-14 18:21:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-14 18:21:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-14 18:21:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-14 18:21:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-14 18:21:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2021-12-14 18:21:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2021-12-14 18:21:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-14 18:21:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-14 18:21:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:21:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:21:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-14 18:21:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-14 18:21:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-14 18:21:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-14 18:21:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-14 18:21:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-14 18:21:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:21:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-14 18:21:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-14 18:21:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-14 18:21:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-14 18:21:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:21:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:21:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-14 18:21:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-14 18:21:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-14 18:21:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-14 18:21:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-14 18:21:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-14 18:21:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:21:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:21:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:21:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:21:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-14 18:21:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-14 18:21:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-14 18:21:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-14 18:21:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-14 18:21:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-14 18:21:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-14 18:21:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-14 18:21:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:21:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:21:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:21:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-14 18:21:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-14 18:21:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-14 18:21:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-14 18:21:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-14 18:21:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-14 18:21:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-14 18:21:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-14 18:21:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-14 18:21:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-14 18:21:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-14 18:21:06,309 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:21:06,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:21:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:21:12,054 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:21:12,080 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:21:12,080 INFO L301 CfgBuilder]: Removed 78 assume(true) statements. [2021-12-14 18:21:12,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:12 BoogieIcfgContainer [2021-12-14 18:21:12,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:21:12,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:21:12,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:21:12,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:21:12,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:21:01" (1/3) ... [2021-12-14 18:21:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfb163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:21:12, skipping insertion in model container [2021-12-14 18:21:12,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:04" (2/3) ... [2021-12-14 18:21:12,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfb163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:21:12, skipping insertion in model container [2021-12-14 18:21:12,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:12" (3/3) ... [2021-12-14 18:21:12,090 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-14 18:21:12,094 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:21:12,094 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:21:12,145 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:21:12,153 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 [2021-12-14 18:21:12,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:21:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2021-12-14 18:21:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-14 18:21:12,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:12,221 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:12,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:12,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2021-12-14 18:21:12,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:12,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821884612] [2021-12-14 18:21:12,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:21:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:21:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:21:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:21:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:21:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:21:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:21:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:21:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:21:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:21:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:21:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:21:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:21:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:21:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 18:21:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-14 18:21:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:21:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-14 18:21:13,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:13,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821884612] [2021-12-14 18:21:13,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821884612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:13,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:13,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:21:13,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226918799] [2021-12-14 18:21:13,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:13,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:21:13,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:13,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:21:13,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:21:13,574 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 18:21:17,934 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 [] [2021-12-14 18:21:20,951 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 [] [2021-12-14 18:21:31,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:21:31,359 INFO L93 Difference]: Finished difference Result 7459 states and 11796 transitions. [2021-12-14 18:21:31,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:21:31,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 279 [2021-12-14 18:21:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:21:31,417 INFO L225 Difference]: With dead ends: 7459 [2021-12-14 18:21:31,417 INFO L226 Difference]: Without dead ends: 3690 [2021-12-14 18:21:31,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:21:31,452 INFO L933 BasicCegarLoop]: 4326 mSDtfsCounter, 2210 mSDsluCounter, 4099 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 4642 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 8425 SdHoareTripleChecker+Invalid, 8426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4642 IncrementalHoareTripleChecker+Valid, 3782 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:21:31,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2221 Valid, 8425 Invalid, 8426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4642 Valid, 3782 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2021-12-14 18:21:31,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-14 18:21:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3484. [2021-12-14 18:21:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2021-12-14 18:21:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2021-12-14 18:21:31,811 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2021-12-14 18:21:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:21:31,812 INFO L470 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2021-12-14 18:21:31,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 18:21:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2021-12-14 18:21:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-14 18:21:31,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:31,822 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:31,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:21:31,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2021-12-14 18:21:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:31,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895073456] [2021-12-14 18:21:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:31,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:21:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:21:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:21:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:21:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:21:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:21:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:21:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:21:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:21:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:21:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:21:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:21:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:21:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:21:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 18:21:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-14 18:21:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:21:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-14 18:21:32,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:32,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895073456] [2021-12-14 18:21:32,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895073456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:32,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:32,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:21:32,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141035602] [2021-12-14 18:21:32,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:32,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:21:32,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:21:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:21:32,659 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-14 18:21:35,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:21:37,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:21:42,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:21:49,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:21:50,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []