./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:21:03,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:21:03,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:21:03,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:21:03,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:21:03,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:21:03,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:21:03,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:21:03,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:21:03,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:21:03,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:21:03,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:21:03,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:21:03,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:21:03,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:21:03,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:21:03,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:21:03,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:21:03,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:21:03,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:21:03,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:21:03,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:21:03,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:21:03,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:21:03,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:21:03,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:21:03,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:21:03,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:21:03,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:21:03,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:21:03,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:21:03,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:21:03,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:21:03,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:21:03,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:21:03,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:21:03,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:21:03,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:21:03,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:21:03,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:21:03,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:21:03,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:21:03,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:21:03,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:21:03,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:21:03,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:21:03,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:21:03,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:21:03,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:21:03,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:21:03,291 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:21:03,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:21:03,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:21:03,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:21:03,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:21:03,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:21:03,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:21:03,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:21:03,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:21:03,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:21:03,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:21:03,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:21:03,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:21:03,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:21:03,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:21:03,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:21:03,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:21:03,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:21:03,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-12-22 15:21:03,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:21:03,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:21:03,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:21:03,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:21:03,547 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:21:03,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-22 15:21:03,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2453c90/c346bcc6d80846e591a8a572858990bd/FLAG14405636e [2021-12-22 15:21:04,465 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:21:04,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-22 15:21:04,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2453c90/c346bcc6d80846e591a8a572858990bd/FLAG14405636e [2021-12-22 15:21:04,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2453c90/c346bcc6d80846e591a8a572858990bd [2021-12-22 15:21:04,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:21:04,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:21:04,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:21:04,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:21:04,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:21:04,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:21:04" (1/1) ... [2021-12-22 15:21:04,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22899ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:04, skipping insertion in model container [2021-12-22 15:21:04,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:21:04" (1/1) ... [2021-12-22 15:21:04,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:21:04,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:21:09,356 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-12-22 15:21:09,359 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-12-22 15:21:09,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:21:09,445 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:21:09,883 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-12-22 15:21:09,884 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-12-22 15:21:09,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:21:10,086 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:21:10,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10 WrapperNode [2021-12-22 15:21:10,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:21:10,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:21:10,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:21:10,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:21:10,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,517 INFO L137 Inliner]: procedures = 543, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8662 [2021-12-22 15:21:10,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:21:10,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:21:10,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:21:10,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:21:10,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:21:10,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:21:10,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:21:10,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:21:10,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (1/1) ... [2021-12-22 15:21:10,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:21:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:21:10,997 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 15:21:11,023 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 15:21:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-22 15:21:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-22 15:21:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-12-22 15:21:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-12-22 15:21:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:21:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:21:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:21:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:21:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:21:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:21:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-22 15:21:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-22 15:21:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-22 15:21:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-22 15:21:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 15:21:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 15:21:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-22 15:21:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-22 15:21:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-22 15:21:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-22 15:21:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-22 15:21:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-22 15:21:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-22 15:21:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-22 15:21:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:21:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:21:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-22 15:21:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-22 15:21:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:21:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:21:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-22 15:21:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-22 15:21:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-22 15:21:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-22 15:21:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-22 15:21:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-22 15:21:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-22 15:21:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-22 15:21:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-22 15:21:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-22 15:21:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-22 15:21:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-22 15:21:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:21:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:21:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-22 15:21:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-22 15:21:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-22 15:21:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-22 15:21:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:21:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:21:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:21:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:21:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-22 15:21:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-22 15:21:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-22 15:21:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:21:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 15:21:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 15:21:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 15:21:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 15:21:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:21:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:21:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-22 15:21:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-22 15:21:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:21:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:21:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:21:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 15:21:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 15:21:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-22 15:21:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-22 15:21:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-22 15:21:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-22 15:21:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:21:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:21:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:21:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:21:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:21:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:21:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:21:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:21:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:21:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:21:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:21:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:21:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:21:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:21:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:21:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:21:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:21:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:21:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-22 15:21:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-22 15:21:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:21:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:21:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:21:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:21:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-22 15:21:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-22 15:21:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:21:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:21:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 15:21:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 15:21:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-22 15:21:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-22 15:21:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-22 15:21:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-22 15:21:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-22 15:21:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-22 15:21:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:21:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:21:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:21:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:21:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:21:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-22 15:21:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-22 15:21:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:21:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-22 15:21:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-22 15:21:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:21:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:21:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:21:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:21:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:21:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:21:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:21:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-22 15:21:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-22 15:21:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 15:21:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 15:21:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:21:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:21:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:21:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:21:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:21:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:21:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-22 15:21:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-22 15:21:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-22 15:21:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-22 15:21:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-22 15:21:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-22 15:21:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:21:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:21:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-22 15:21:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-22 15:21:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:21:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:21:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-22 15:21:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-22 15:21:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:21:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:21:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:21:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:21:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-22 15:21:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-22 15:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-22 15:21:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-22 15:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:21:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-22 15:21:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-22 15:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:21:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-22 15:21:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-22 15:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:21:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-22 15:21:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-22 15:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-22 15:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-22 15:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-22 15:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-22 15:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:21:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-22 15:21:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-22 15:21:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-22 15:21:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-22 15:21:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-22 15:21:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-22 15:21:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-22 15:21:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-22 15:21:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-22 15:21:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-22 15:21:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:21:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:21:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-22 15:21:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-22 15:21:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:21:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:21:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-22 15:21:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-22 15:21:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-22 15:21:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-22 15:21:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-22 15:21:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-22 15:21:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-22 15:21:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-22 15:21:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:21:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:21:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-12-22 15:21:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-12-22 15:21:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:21:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-22 15:21:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-22 15:21:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-22 15:21:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-22 15:21:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-22 15:21:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-22 15:21:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-22 15:21:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-22 15:21:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:21:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-22 15:21:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-22 15:21:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-22 15:21:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-22 15:21:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-22 15:21:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-22 15:21:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:21:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 15:21:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 15:21:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-22 15:21:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-22 15:21:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:21:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:21:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:21:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:21:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-22 15:21:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-22 15:21:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-22 15:21:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-22 15:21:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:21:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:21:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 15:21:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 15:21:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:21:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:21:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-22 15:21:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-22 15:21:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:21:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:21:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-22 15:21:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-22 15:21:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-22 15:21:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-22 15:21:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-22 15:21:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-22 15:21:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-22 15:21:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-22 15:21:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-22 15:21:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-22 15:21:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:21:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:21:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:21:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:21:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:21:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:21:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-22 15:21:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-22 15:21:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:21:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:21:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-12-22 15:21:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-12-22 15:21:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:21:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-22 15:21:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-22 15:21:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:21:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:21:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-22 15:21:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-22 15:21:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:21:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:21:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-22 15:21:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-22 15:21:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 15:21:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 15:21:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-22 15:21:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-22 15:21:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-22 15:21:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-22 15:21:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-22 15:21:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-22 15:21:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-22 15:21:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-22 15:21:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-22 15:21:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-22 15:21:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:21:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:21:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-22 15:21:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-22 15:21:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-22 15:21:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-22 15:21:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-22 15:21:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-22 15:21:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-22 15:21:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-22 15:21:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-22 15:21:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-22 15:21:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-22 15:21:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-22 15:21:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 15:21:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 15:21:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-22 15:21:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-22 15:21:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-12-22 15:21:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-12-22 15:21:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-22 15:21:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-22 15:21:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-22 15:21:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-22 15:21:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-22 15:21:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-22 15:21:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-22 15:21:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-22 15:21:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:21:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:21:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:21:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:21:12,271 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:21:12,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:21:12,655 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:21:25,688 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:21:25,921 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:21:25,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:21:25,951 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-22 15:21:25,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:25 BoogieIcfgContainer [2021-12-22 15:21:25,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:21:25,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:21:25,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:21:25,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:21:25,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:21:04" (1/3) ... [2021-12-22 15:21:25,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dfa00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:25, skipping insertion in model container [2021-12-22 15:21:25,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:10" (2/3) ... [2021-12-22 15:21:25,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dfa00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:25, skipping insertion in model container [2021-12-22 15:21:25,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:25" (3/3) ... [2021-12-22 15:21:25,964 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-22 15:21:25,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:21:25,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:21:26,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:21:26,045 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 15:21:26,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:21:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2021-12-22 15:21:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 15:21:26,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:26,201 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:21:26,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:26,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:26,206 INFO L85 PathProgramCache]: Analyzing trace with hash 16642567, now seen corresponding path program 1 times [2021-12-22 15:21:26,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:26,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356479626] [2021-12-22 15:21:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:26,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:21:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:21:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:21:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:21:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:21:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:21:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:21:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-22 15:21:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:21:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:21:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-12-22 15:21:27,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:27,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356479626] [2021-12-22 15:21:27,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356479626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:27,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:27,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:21:27,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243038504] [2021-12-22 15:21:27,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:27,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:21:27,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:27,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:21:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:21:27,250 INFO L87 Difference]: Start difference. First operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:21:29,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:31,320 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 15:21:41,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:41,478 INFO L93 Difference]: Finished difference Result 11269 states and 16889 transitions. [2021-12-22 15:21:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:21:41,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-12-22 15:21:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:41,574 INFO L225 Difference]: With dead ends: 11269 [2021-12-22 15:21:41,574 INFO L226 Difference]: Without dead ends: 7275 [2021-12-22 15:21:41,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:21:41,636 INFO L933 BasicCegarLoop]: 5292 mSDtfsCounter, 8075 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 4298 mSolverCounterSat, 3698 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8839 SdHoareTripleChecker+Valid, 10125 SdHoareTripleChecker+Invalid, 7998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3698 IncrementalHoareTripleChecker+Valid, 4298 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:41,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8839 Valid, 10125 Invalid, 7998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3698 Valid, 4298 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2021-12-22 15:21:41,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2021-12-22 15:21:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 6936. [2021-12-22 15:21:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 4938 states have (on average 1.3529769137302552) internal successors, (6681), 5017 states have internal predecessors, (6681), 1720 states have call successors, (1720), 277 states have call predecessors, (1720), 277 states have return successors, (1720), 1694 states have call predecessors, (1720), 1720 states have call successors, (1720) [2021-12-22 15:21:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2021-12-22 15:21:42,165 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2021-12-22 15:21:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:42,168 INFO L470 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2021-12-22 15:21:42,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:21:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2021-12-22 15:21:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-22 15:21:42,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:42,198 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:21:42,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:21:42,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:42,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1934207379, now seen corresponding path program 1 times [2021-12-22 15:21:42,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:42,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408890033] [2021-12-22 15:21:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:42,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:21:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:21:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:21:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:21:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:21:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:21:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:21:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:21:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:21:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-22 15:21:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-22 15:21:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:21:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-22 15:21:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:21:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-12-22 15:21:42,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:42,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408890033] [2021-12-22 15:21:42,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408890033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:42,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:42,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:21:42,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809749806] [2021-12-22 15:21:42,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:42,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:21:42,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:21:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:21:42,945 INFO L87 Difference]: Start difference. First operand 6936 states and 10121 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 15:21:44,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:46,342 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 []