./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d8765652cb47319bc5d2745b6af0e3054c09de58d68c114f80568c48ca819e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:45:56,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:45:56,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:45:56,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:45:56,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:45:56,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:45:56,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:45:56,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:45:56,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:45:56,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:45:56,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:45:56,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:45:56,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:45:56,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:45:56,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:45:56,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:45:56,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:45:56,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:45:56,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:45:56,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:45:56,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:45:56,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:45:56,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:45:56,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:45:56,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:45:56,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:45:56,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:45:56,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:45:56,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:45:56,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:45:56,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:45:56,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:45:56,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:45:56,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:45:56,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:45:56,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:45:56,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:45:56,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:45:56,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:45:56,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:45:56,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:45:56,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:45:56,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:45:56,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:45:56,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:45:56,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:45:56,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:45:56,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:45:56,505 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:45:56,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:45:56,506 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:45:56,506 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:45:56,506 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:45:56,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:45:56,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:45:56,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:45:56,507 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:45:56,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:45:56,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:45:56,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:45:56,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:45:56,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:45:56,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:45:56,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:45:56,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:45:56,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:45:56,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:45:56,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:45:56,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:45:56,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:45:56,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:45:56,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:45:56,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:45:56,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:45:56,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:45:56,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:45:56,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:45:56,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:45:56,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:45:56,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:45:56,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d8765652cb47319bc5d2745b6af0e3054c09de58d68c114f80568c48ca819e2 [2021-11-23 03:45:56,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:45:56,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:45:56,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:45:56,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:45:56,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:45:56,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-23 03:45:56,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/data/b3f78a9d4/87d0afc1212e417cab1b6c48555300da/FLAGc0016ec78 [2021-11-23 03:45:58,364 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:45:58,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-23 03:45:58,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/data/b3f78a9d4/87d0afc1212e417cab1b6c48555300da/FLAGc0016ec78 [2021-11-23 03:45:58,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/data/b3f78a9d4/87d0afc1212e417cab1b6c48555300da [2021-11-23 03:45:58,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:45:58,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:45:58,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:45:58,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:45:58,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:45:58,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:58" (1/1) ... [2021-11-23 03:45:58,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fac99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:58, skipping insertion in model container [2021-11-23 03:45:58,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:58" (1/1) ... [2021-11-23 03:45:58,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:45:59,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:46:10,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047090,1047103] [2021-11-23 03:46:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047235,1047248] [2021-11-23 03:46:11,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:46:11,375 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:46:12,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047090,1047103] [2021-11-23 03:46:12,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047235,1047248] [2021-11-23 03:46:12,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:46:13,147 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:46:13,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13 WrapperNode [2021-11-23 03:46:13,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:13,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:46:13,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:46:13,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:46:13,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:13,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:14,855 INFO L137 Inliner]: procedures = 679, calls = 14318, calls flagged for inlining = 338, calls inlined = 311, statements flattened = 26922 [2021-11-23 03:46:14,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:46:14,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:46:14,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:46:14,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:46:14,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:14,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:15,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:15,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:16,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:16,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:16,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:16,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:46:16,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:46:16,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:46:16,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:46:16,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (1/1) ... [2021-11-23 03:46:16,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:46:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:46:16,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:46:16,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd83bc0-5c6b-4fc8-8e0b-ac8a008093fa/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:46:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_rf_reg [2021-11-23 03:46:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_rf_reg [2021-11-23 03:46:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-23 03:46:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-23 03:46:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-23 03:46:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-23 03:46:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-23 03:46:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-23 03:46:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_interrupt [2021-11-23 03:46:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_interrupt [2021-11-23 03:46:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:46:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:46:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_bb_reg [2021-11-23 03:46:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_bb_reg [2021-11-23 03:46:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-23 03:46:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-23 03:46:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:46:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:46:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-23 03:46:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-23 03:46:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_deinit_sw_vars [2021-11-23 03:46:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_deinit_sw_vars [2021-11-23 03:46:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-23 03:46:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-23 03:46:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-23 03:46:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-23 03:46:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:46:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:46:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:46:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:46:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_is_fw_downloaded [2021-11-23 03:46:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_is_fw_downloaded [2021-11-23 03:46:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-23 03:46:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-23 03:46:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-23 03:46:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-23 03:46:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_polling [2021-11-23 03:46:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_polling [2021-11-23 03:46:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_led_control [2021-11-23 03:46:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_led_control [2021-11-23 03:46:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:46:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:46:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:46:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:46:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:46:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:46:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92ce_init_led [2021-11-23 03:46:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92ce_init_led [2021-11-23 03:46:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_watchdog [2021-11-23 03:46:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_watchdog [2021-11-23 03:46:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:46:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_llt_write [2021-11-23 03:46:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_llt_write [2021-11-23 03:46:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_stop_tx_beacon [2021-11-23 03:46:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_stop_tx_beacon [2021-11-23 03:46:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_firmware_selfreset [2021-11-23 03:46:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_firmware_selfreset [2021-11-23 03:46:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-23 03:46:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-23 03:46:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_query_rxpwrpercentage [2021-11-23 03:46:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_query_rxpwrpercentage [2021-11-23 03:46:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_write_dig [2021-11-23 03:46:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_write_dig [2021-11-23 03:46:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bw_mode [2021-11-23 03:46:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bw_mode [2021-11-23 03:46:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-23 03:46:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-23 03:46:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bb_reg [2021-11-23 03:46:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bb_reg [2021-11-23 03:46:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_lc_calibrate [2021-11-23 03:46:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_lc_calibrate [2021-11-23 03:46:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:46:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:46:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:46:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-23 03:46:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-23 03:46:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_simularity_compare [2021-11-23 03:46:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_simularity_compare [2021-11-23 03:46:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pimode_switch [2021-11-23 03:46:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pimode_switch [2021-11-23 03:46:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:46:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:46:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_powerdown_anotherphy [2021-11-23 03:46:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_powerdown_anotherphy [2021-11-23 03:46:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:46:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_update_bbrf_configuration [2021-11-23 03:46:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_update_bbrf_configuration [2021-11-23 03:46:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:46:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:46:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_mac_setting_calibration [2021-11-23 03:46:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_mac_setting_calibration [2021-11-23 03:46:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:46:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:46:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:46:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:46:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:46:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_hw_reg [2021-11-23 03:46:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_hw_reg [2021-11-23 03:46:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:46:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:46:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:46:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:46:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-23 03:46:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-23 03:46:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_power [2021-11-23 03:46:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_power [2021-11-23 03:46:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-23 03:46:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-23 03:46:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-23 03:46:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-23 03:46:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_suspend [2021-11-23 03:46:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_suspend [2021-11-23 03:46:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-23 03:46:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-23 03:46:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_hw_security_config [2021-11-23 03:46:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_hw_security_config [2021-11-23 03:46:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-23 03:46:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-23 03:46:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_check_bssid [2021-11-23 03:46:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_check_bssid [2021-11-23 03:46:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_media_status [2021-11-23 03:46:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_media_status [2021-11-23 03:46:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_fill_h2c_cmd [2021-11-23 03:46:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_fill_h2c_cmd [2021-11-23 03:46:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-23 03:46:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-23 03:46:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2021-11-23 03:46:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2021-11-23 03:46:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:46:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:46:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:46:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:46:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:46:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 03:46:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 03:46:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 03:46:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 03:46:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_related_registers [2021-11-23 03:46:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_related_registers [2021-11-23 03:46:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:46:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:46:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:46:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:46:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:46:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:46:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:46:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:46:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:46:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:46:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:46:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_lc_calibrate [2021-11-23 03:46:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_lc_calibrate [2021-11-23 03:46:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:46:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:46:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_iq_calibrate [2021-11-23 03:46:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_iq_calibrate [2021-11-23 03:46:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-23 03:46:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-23 03:46:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_disable_interrupt [2021-11-23 03:46:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_disable_interrupt [2021-11-23 03:46:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-23 03:46:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-23 03:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_desc [2021-11-23 03:46:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_desc [2021-11-23 03:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 03:46:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 03:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_fw_page_write [2021-11-23 03:46:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_fw_page_write [2021-11-23 03:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-23 03:46:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-23 03:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-23 03:46:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-23 03:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-23 03:46:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-23 03:46:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:46:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:46:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_txpower_level [2021-11-23 03:46:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_txpower_level [2021-11-23 03:46:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_fill_cmddesc [2021-11-23 03:46:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_fill_cmddesc [2021-11-23 03:46:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-23 03:46:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-23 03:46:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:46:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:46:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:46:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:46:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_on [2021-11-23 03:46:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_on [2021-11-23 03:46:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_reset_iqk_result [2021-11-23 03:46:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_reset_iqk_result [2021-11-23 03:46:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-23 03:46:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-23 03:46:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:46:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:46:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_resume_tx_beacon [2021-11-23 03:46:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_resume_tx_beacon [2021-11-23 03:46:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-23 03:46:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-23 03:46:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 03:46:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 03:46:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_check_fw_read_last_h2c [2021-11-23 03:46:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_check_fw_read_last_h2c [2021-11-23 03:46:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_init_sw_vars [2021-11-23 03:46:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_init_sw_vars [2021-11-23 03:46:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-23 03:46:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-23 03:46:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-23 03:46:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-23 03:46:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-23 03:46:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-23 03:46:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 03:46:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 03:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:46:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-23 03:46:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-23 03:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 03:46:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 03:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-23 03:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-23 03:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_enable_rf_env [2021-11-23 03:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_enable_rf_env [2021-11-23 03:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_mac_registers [2021-11-23 03:46:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_mac_registers [2021-11-23 03:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_restore_rf_env [2021-11-23 03:46:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_restore_rf_env [2021-11-23 03:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_iq_calibrate [2021-11-23 03:46:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_iq_calibrate [2021-11-23 03:46:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:46:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_resume [2021-11-23 03:46:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_resume [2021-11-23 03:46:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-23 03:46:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-23 03:46:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-23 03:46:16,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-23 03:46:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:46:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_eeprom_info [2021-11-23 03:46:16,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_eeprom_info [2021-11-23 03:46:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:46:16,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:46:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 03:46:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 03:46:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_rf_serial_read [2021-11-23 03:46:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_rf_serial_read [2021-11-23 03:46:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-23 03:46:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-23 03:46:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___2 [2021-11-23 03:46:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___2 [2021-11-23 03:46:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-23 03:46:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-23 03:46:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-23 03:46:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-23 03:46:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-23 03:46:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-23 03:46:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:46:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:46:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-23 03:46:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-23 03:46:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:46:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_off [2021-11-23 03:46:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_off [2021-11-23 03:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-23 03:46:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-23 03:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 03:46:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 03:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_poweroff_adapter [2021-11-23 03:46:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_poweroff_adapter [2021-11-23 03:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-23 03:46:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-23 03:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-23 03:46:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-23 03:46:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_path_adda_on [2021-11-23 03:46:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_path_adda_on [2021-11-23 03:46:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-23 03:46:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-23 03:46:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calculate_bit_shift [2021-11-23 03:46:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calculate_bit_shift [2021-11-23 03:46:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 03:46:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 03:46:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_channel_access_setting [2021-11-23 03:46:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_channel_access_setting [2021-11-23 03:46:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_mac_registers [2021-11-23 03:46:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_mac_registers [2021-11-23 03:46:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_adda_registers [2021-11-23 03:46:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_adda_registers [2021-11-23 03:46:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_switch_wirelessband [2021-11-23 03:46:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_switch_wirelessband [2021-11-23 03:46:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_hw_init [2021-11-23 03:46:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_hw_init [2021-11-23 03:46:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calc_curvindex [2021-11-23 03:46:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calc_curvindex [2021-11-23 03:46:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_interval [2021-11-23 03:46:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_interval [2021-11-23 03:46:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:46:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-23 03:46:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-23 03:46:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_hw_reg [2021-11-23 03:46:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_hw_reg [2021-11-23 03:46:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-23 03:46:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-23 03:46:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:46:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:46:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-23 03:46:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-23 03:46:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_qos [2021-11-23 03:46:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_qos [2021-11-23 03:46:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_linked_set_reg [2021-11-23 03:46:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_linked_set_reg [2021-11-23 03:46:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-23 03:46:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-23 03:46:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_init_edca_turbo [2021-11-23 03:46:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_init_edca_turbo [2021-11-23 03:46:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_dword_dbi [2021-11-23 03:46:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_dword_dbi [2021-11-23 03:46:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-23 03:46:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-23 03:46:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_interrupt_mask [2021-11-23 03:46:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_interrupt_mask [2021-11-23 03:46:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-23 03:46:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-23 03:46:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_enable_fw_download [2021-11-23 03:46:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_enable_fw_download [2021-11-23 03:46:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_init_sw_leds [2021-11-23 03:46:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_init_sw_leds [2021-11-23 03:46:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_rf_reg [2021-11-23 03:46:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_rf_reg [2021-11-23 03:46:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 03:46:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 03:46:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-23 03:46:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-23 03:46:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_adda_registers [2021-11-23 03:46:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_adda_registers [2021-11-23 03:46:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:46:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:46:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_card_disable [2021-11-23 03:46:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_card_disable [2021-11-23 03:46:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-23 03:46:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-23 03:46:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-23 03:46:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-23 03:46:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_signal_scale_mapping [2021-11-23 03:46:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_signal_scale_mapping [2021-11-23 03:46:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_enable_anotherphy [2021-11-23 03:46:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_enable_anotherphy [2021-11-23 03:46:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-23 03:46:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-23 03:46:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:46:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-23 03:46:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-23 03:46:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_write_dword_dbi [2021-11-23 03:46:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_write_dword_dbi [2021-11-23 03:46:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:46:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:46:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-23 03:46:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-23 03:46:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-23 03:46:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-23 03:46:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-23 03:46:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-23 03:46:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-23 03:46:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-23 03:46:19,201 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:46:19,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:46:28,855 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:47:56,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:47:56,501 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:48:06,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:48:06,376 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-23 03:48:06,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:06 BoogieIcfgContainer [2021-11-23 03:48:06,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:48:06,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:48:06,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:48:06,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:48:06,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:45:58" (1/3) ... [2021-11-23 03:48:06,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7db08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:06, skipping insertion in model container [2021-11-23 03:48:06,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:13" (2/3) ... [2021-11-23 03:48:06,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7db08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:06, skipping insertion in model container [2021-11-23 03:48:06,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:06" (3/3) ... [2021-11-23 03:48:06,398 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-23 03:48:06,405 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:48:06,405 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:48:06,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:48:06,506 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=FINITE_AUTOMATA, 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 [2021-11-23 03:48:06,506 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:48:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 6971 states, 4183 states have (on average 1.3573989959359312) internal successors, (5678), 4380 states have internal predecessors, (5678), 2625 states have call successors, (2625), 173 states have call predecessors, (2625), 172 states have return successors, (2616), 2525 states have call predecessors, (2616), 2616 states have call successors, (2616) [2021-11-23 03:48:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 03:48:06,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:06,739 INFO L514 BasicCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:06,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:06,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1408848833, now seen corresponding path program 1 times [2021-11-23 03:48:06,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:06,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508101659] [2021-11-23 03:48:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:06,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2021-11-23 03:48:09,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:09,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508101659] [2021-11-23 03:48:09,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508101659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:09,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:09,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:48:09,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254886534] [2021-11-23 03:48:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:09,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:09,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:09,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:09,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:09,184 INFO L87 Difference]: Start difference. First operand has 6971 states, 4183 states have (on average 1.3573989959359312) internal successors, (5678), 4380 states have internal predecessors, (5678), 2625 states have call successors, (2625), 173 states have call predecessors, (2625), 172 states have return successors, (2616), 2525 states have call predecessors, (2616), 2616 states have call successors, (2616) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-23 03:48:12,335 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 [] [2021-11-23 03:48:15,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:20,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:23,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:26,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:30,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:33,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:36,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:38,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:41,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:43,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:44,267 INFO L93 Difference]: Finished difference Result 11961 states and 18430 transitions. [2021-11-23 03:48:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 288 [2021-11-23 03:48:44,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:44,372 INFO L225 Difference]: With dead ends: 11961 [2021-11-23 03:48:44,372 INFO L226 Difference]: Without dead ends: 6739 [2021-11-23 03:48:44,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:44,415 INFO L933 BasicCegarLoop]: 6951 mSDtfsCounter, 5691 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 19 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5702 SdHoareTripleChecker+Valid, 12608 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:44,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5702 Valid, 12608 Invalid, 1345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1317 Invalid, 9 Unknown, 0 Unchecked, 34.4s Time] [2021-11-23 03:48:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6739 states. [2021-11-23 03:48:45,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6739 to 6731. [2021-11-23 03:48:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6731 states, 4298 states have (on average 1.3629595160539787) internal successors, (5858), 4431 states have internal predecessors, (5858), 2187 states have call successors, (2187), 244 states have call predecessors, (2187), 244 states have return successors, (2196), 2117 states have call predecessors, (2196), 2187 states have call successors, (2196) [2021-11-23 03:48:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6731 states to 6731 states and 10241 transitions. [2021-11-23 03:48:45,490 INFO L78 Accepts]: Start accepts. Automaton has 6731 states and 10241 transitions. Word has length 288 [2021-11-23 03:48:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:45,496 INFO L470 AbstractCegarLoop]: Abstraction has 6731 states and 10241 transitions. [2021-11-23 03:48:45,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-23 03:48:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 6731 states and 10241 transitions. [2021-11-23 03:48:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 03:48:45,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:45,515 INFO L514 BasicCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:45,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:48:45,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:45,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:45,520 INFO L85 PathProgramCache]: Analyzing trace with hash -16860161, now seen corresponding path program 1 times [2021-11-23 03:48:45,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:45,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672160757] [2021-11-23 03:48:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:45,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2021-11-23 03:48:46,980 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:46,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672160757] [2021-11-23 03:48:46,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672160757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:46,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:46,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:48:46,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510000267] [2021-11-23 03:48:46,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:46,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:46,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:46,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:46,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:46,986 INFO L87 Difference]: Start difference. First operand 6731 states and 10241 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-23 03:48:50,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:54,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:58,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:00,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:04,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:49:06,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:09,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:13,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:16,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:18,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:20,909 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 [] [2021-11-23 03:49:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:21,636 INFO L93 Difference]: Finished difference Result 16889 states and 25638 transitions. [2021-11-23 03:49:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:21,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 290 [2021-11-23 03:49:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:21,740 INFO L225 Difference]: With dead ends: 16889 [2021-11-23 03:49:21,740 INFO L226 Difference]: Without dead ends: 10211 [2021-11-23 03:49:21,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:21,781 INFO L933 BasicCegarLoop]: 5603 mSDtfsCounter, 2638 mSDsluCounter, 5280 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 15 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 10362 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:21,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2646 Valid, 10362 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1277 Invalid, 10 Unknown, 0 Unchecked, 34.2s Time] [2021-11-23 03:49:21,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10211 states. [2021-11-23 03:49:22,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10211 to 10201. [2021-11-23 03:49:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10201 states, 6490 states have (on average 1.3605546995377504) internal successors, (8830), 6706 states have internal predecessors, (8830), 3294 states have call successors, (3294), 415 states have call predecessors, (3294), 415 states have return successors, (3317), 3169 states have call predecessors, (3317), 3294 states have call successors, (3317) [2021-11-23 03:49:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10201 states to 10201 states and 15441 transitions. [2021-11-23 03:49:22,839 INFO L78 Accepts]: Start accepts. Automaton has 10201 states and 15441 transitions. Word has length 290 [2021-11-23 03:49:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:22,845 INFO L470 AbstractCegarLoop]: Abstraction has 10201 states and 15441 transitions. [2021-11-23 03:49:22,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-23 03:49:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 10201 states and 15441 transitions. [2021-11-23 03:49:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 03:49:22,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:22,857 INFO L514 BasicCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:22,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:49:22,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:22,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1950459610, now seen corresponding path program 1 times [2021-11-23 03:49:22,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:22,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445748058] [2021-11-23 03:49:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:22,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2021-11-23 03:49:24,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:24,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445748058] [2021-11-23 03:49:24,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445748058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:24,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:24,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:49:24,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077871100] [2021-11-23 03:49:24,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:24,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:24,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:24,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:24,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:24,037 INFO L87 Difference]: Start difference. First operand 10201 states and 15441 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-23 03:49:27,543 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 [] [2021-11-23 03:49:31,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:34,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:49:35,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:49:38,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:39,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:42,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:44,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:46,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:49,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:51,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:53,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:56,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:59,247 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 [] [2021-11-23 03:49:59,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:59,771 INFO L93 Difference]: Finished difference Result 28391 states and 43002 transitions. [2021-11-23 03:49:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:59,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 289 [2021-11-23 03:49:59,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:59,928 INFO L225 Difference]: With dead ends: 28391 [2021-11-23 03:49:59,928 INFO L226 Difference]: Without dead ends: 18243 [2021-11-23 03:49:59,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:59,990 INFO L933 BasicCegarLoop]: 7315 mSDtfsCounter, 4700 mSDsluCounter, 5338 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4711 SdHoareTripleChecker+Valid, 12125 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:59,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4711 Valid, 12125 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1395 Invalid, 9 Unknown, 0 Unchecked, 35.2s Time] [2021-11-23 03:50:00,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18243 states. [2021-11-23 03:50:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18243 to 18228. [2021-11-23 03:50:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18228 states, 11586 states have (on average 1.3540479889521837) internal successors, (15688), 11987 states have internal predecessors, (15688), 5889 states have call successors, (5889), 751 states have call predecessors, (5889), 751 states have return successors, (5937), 5653 states have call predecessors, (5937), 5889 states have call successors, (5937) [2021-11-23 03:50:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18228 states to 18228 states and 27514 transitions. [2021-11-23 03:50:01,767 INFO L78 Accepts]: Start accepts. Automaton has 18228 states and 27514 transitions. Word has length 289 [2021-11-23 03:50:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:50:01,768 INFO L470 AbstractCegarLoop]: Abstraction has 18228 states and 27514 transitions. [2021-11-23 03:50:01,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-23 03:50:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 18228 states and 27514 transitions. [2021-11-23 03:50:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 03:50:01,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:50:01,778 INFO L514 BasicCegarLoop]: trace histogram [28, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:50:01,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:50:01,778 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:50:01,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:50:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1678174755, now seen corresponding path program 1 times [2021-11-23 03:50:01,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:50:01,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288161897] [2021-11-23 03:50:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:50:01,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:50:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:50:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2021-11-23 03:50:02,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:50:02,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288161897] [2021-11-23 03:50:02,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288161897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:50:02,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:50:02,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:50:02,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928652529] [2021-11-23 03:50:02,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:50:02,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:50:02,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:50:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:50:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:50:02,862 INFO L87 Difference]: Start difference. First operand 18228 states and 27514 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-23 03:50:05,857 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 [] [2021-11-23 03:50:09,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:11,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:13,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:18,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:20,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:25,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:29,348 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 [] [2021-11-23 03:50:30,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:50:30,705 INFO L93 Difference]: Finished difference Result 38333 states and 57740 transitions. [2021-11-23 03:50:30,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:50:30,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 306 [2021-11-23 03:50:30,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:50:30,812 INFO L225 Difference]: With dead ends: 38333 [2021-11-23 03:50:30,812 INFO L226 Difference]: Without dead ends: 20158 [2021-11-23 03:50:30,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:50:30,877 INFO L933 BasicCegarLoop]: 5449 mSDtfsCounter, 2541 mSDsluCounter, 5363 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 10262 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:50:30,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2545 Valid, 10262 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1161 Invalid, 8 Unknown, 0 Unchecked, 27.2s Time] [2021-11-23 03:50:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20158 states. [2021-11-23 03:50:32,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20158 to 20149. [2021-11-23 03:50:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20149 states, 12826 states have (on average 1.3509278029003586) internal successors, (17327), 13268 states have internal predecessors, (17327), 6452 states have call successors, (6452), 869 states have call predecessors, (6452), 869 states have return successors, (6503), 6190 states have call predecessors, (6503), 6452 states have call successors, (6503) [2021-11-23 03:50:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20149 states to 20149 states and 30282 transitions. [2021-11-23 03:50:32,615 INFO L78 Accepts]: Start accepts. Automaton has 20149 states and 30282 transitions. Word has length 306 [2021-11-23 03:50:32,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:50:32,616 INFO L470 AbstractCegarLoop]: Abstraction has 20149 states and 30282 transitions. [2021-11-23 03:50:32,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-23 03:50:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 20149 states and 30282 transitions. [2021-11-23 03:50:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 03:50:32,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:50:32,625 INFO L514 BasicCegarLoop]: trace histogram [28, 26, 26, 26, 26, 26, 26, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:50:32,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:50:32,625 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:50:32,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:50:32,626 INFO L85 PathProgramCache]: Analyzing trace with hash 242459269, now seen corresponding path program 1 times [2021-11-23 03:50:32,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:50:32,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633872155] [2021-11-23 03:50:32,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:50:32,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:50:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:50:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2712 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2021-11-23 03:50:33,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:50:33,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633872155] [2021-11-23 03:50:33,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633872155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:50:33,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:50:33,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:50:33,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141044423] [2021-11-23 03:50:33,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:50:33,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:50:33,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:50:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:50:33,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:50:33,887 INFO L87 Difference]: Start difference. First operand 20149 states and 30282 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-23 03:50:36,817 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 [] [2021-11-23 03:50:41,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:44,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:46,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:50:48,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:50:50,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:53,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:57,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:00,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:02,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:04,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:51:05,739 INFO L93 Difference]: Finished difference Result 56027 states and 84324 transitions. [2021-11-23 03:51:05,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:51:05,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 308 [2021-11-23 03:51:05,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:51:05,982 INFO L225 Difference]: With dead ends: 56027 [2021-11-23 03:51:05,983 INFO L226 Difference]: Without dead ends: 35931 [2021-11-23 03:51:06,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:06,075 INFO L933 BasicCegarLoop]: 6021 mSDtfsCounter, 4817 mSDsluCounter, 5387 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 13 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4825 SdHoareTripleChecker+Valid, 10859 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:51:06,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4825 Valid, 10859 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1215 Invalid, 9 Unknown, 0 Unchecked, 31.0s Time] [2021-11-23 03:51:06,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35931 states. [2021-11-23 03:51:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35931 to 35908. [2021-11-23 03:51:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35908 states, 22867 states have (on average 1.349936589845629) internal successors, (30869), 23677 states have internal predecessors, (30869), 11519 states have call successors, (11519), 1520 states have call predecessors, (11519), 1520 states have return successors, (11621), 11036 states have call predecessors, (11621), 11519 states have call successors, (11621) [2021-11-23 03:51:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35908 states to 35908 states and 54009 transitions. [2021-11-23 03:51:09,214 INFO L78 Accepts]: Start accepts. Automaton has 35908 states and 54009 transitions. Word has length 308 [2021-11-23 03:51:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:51:09,216 INFO L470 AbstractCegarLoop]: Abstraction has 35908 states and 54009 transitions. [2021-11-23 03:51:09,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-23 03:51:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 35908 states and 54009 transitions. [2021-11-23 03:51:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-23 03:51:09,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:09,226 INFO L514 BasicCegarLoop]: trace histogram [30, 26, 26, 26, 26, 26, 26, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:51:09,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:51:09,227 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:51:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 103372083, now seen corresponding path program 1 times [2021-11-23 03:51:09,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:09,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618239052] [2021-11-23 03:51:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2850 trivial. 0 not checked. [2021-11-23 03:51:10,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:10,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618239052] [2021-11-23 03:51:10,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618239052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:10,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:10,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:51:10,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839594419] [2021-11-23 03:51:10,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:10,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:51:10,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:51:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:51:10,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:10,573 INFO L87 Difference]: Start difference. First operand 35908 states and 54009 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-23 03:51:14,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:17,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:19,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:51:24,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:27,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:31,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:34,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:37,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:39,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:42,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:51:42,823 INFO L93 Difference]: Finished difference Result 87686 states and 132030 transitions. [2021-11-23 03:51:42,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:51:42,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 359 [2021-11-23 03:51:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:51:43,222 INFO L225 Difference]: With dead ends: 87686 [2021-11-23 03:51:43,223 INFO L226 Difference]: Without dead ends: 51917 [2021-11-23 03:51:43,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:43,636 INFO L933 BasicCegarLoop]: 5992 mSDtfsCounter, 4766 mSDsluCounter, 5369 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4776 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:51:43,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4776 Valid, 10815 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1188 Invalid, 9 Unknown, 0 Unchecked, 30.9s Time] [2021-11-23 03:51:43,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51917 states. [2021-11-23 03:51:46,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51917 to 51898. [2021-11-23 03:51:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51898 states, 33079 states have (on average 1.349587351491883) internal successors, (44643), 34259 states have internal predecessors, (44643), 16628 states have call successors, (16628), 2189 states have call predecessors, (16628), 2189 states have return successors, (16782), 15919 states have call predecessors, (16782), 16628 states have call successors, (16782) [2021-11-23 03:51:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51898 states to 51898 states and 78053 transitions. [2021-11-23 03:51:47,060 INFO L78 Accepts]: Start accepts. Automaton has 51898 states and 78053 transitions. Word has length 359 [2021-11-23 03:51:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:51:47,061 INFO L470 AbstractCegarLoop]: Abstraction has 51898 states and 78053 transitions. [2021-11-23 03:51:47,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-23 03:51:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 51898 states and 78053 transitions. [2021-11-23 03:51:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-23 03:51:47,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:47,077 INFO L514 BasicCegarLoop]: trace histogram [31, 26, 26, 26, 26, 26, 26, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:51:47,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:51:47,078 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:51:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 508578683, now seen corresponding path program 1 times [2021-11-23 03:51:47,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:47,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870826658] [2021-11-23 03:51:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:47,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2021-11-23 03:51:47,963 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:47,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870826658] [2021-11-23 03:51:47,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870826658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:47,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:47,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:51:47,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736957910] [2021-11-23 03:51:47,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:47,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:51:47,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:51:47,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:51:47,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:47,967 INFO L87 Difference]: Start difference. First operand 51898 states and 78053 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-23 03:51:51,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:55,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:51:57,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:52:00,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:52:02,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:05,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:07,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:10,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:13,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:19,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:22,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:24,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:27,427 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 [] [2021-11-23 03:52:27,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:52:27,507 INFO L93 Difference]: Finished difference Result 117883 states and 177080 transitions. [2021-11-23 03:52:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:52:27,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 372 [2021-11-23 03:52:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:52:28,159 INFO L225 Difference]: With dead ends: 117883 [2021-11-23 03:52:28,160 INFO L226 Difference]: Without dead ends: 66124 [2021-11-23 03:52:28,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:28,358 INFO L933 BasicCegarLoop]: 7182 mSDtfsCounter, 2637 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 12 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 11939 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:52:28,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 11939 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1553 Invalid, 10 Unknown, 0 Unchecked, 37.7s Time] [2021-11-23 03:52:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66124 states. [2021-11-23 03:52:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66124 to 66090. [2021-11-23 03:52:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66090 states, 42106 states have (on average 1.3467439319811902) internal successors, (56706), 43648 states have internal predecessors, (56706), 21052 states have call successors, (21052), 2930 states have call predecessors, (21052), 2930 states have return successors, (21262), 20093 states have call predecessors, (21262), 21052 states have call successors, (21262) [2021-11-23 03:52:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66090 states to 66090 states and 99020 transitions. [2021-11-23 03:52:31,956 INFO L78 Accepts]: Start accepts. Automaton has 66090 states and 99020 transitions. Word has length 372 [2021-11-23 03:52:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:52:31,957 INFO L470 AbstractCegarLoop]: Abstraction has 66090 states and 99020 transitions. [2021-11-23 03:52:31,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-23 03:52:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 66090 states and 99020 transitions. [2021-11-23 03:52:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-23 03:52:31,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:52:31,974 INFO L514 BasicCegarLoop]: trace histogram [32, 26, 26, 26, 26, 26, 26, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:52:31,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:52:31,975 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:52:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:52:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash 231916171, now seen corresponding path program 1 times [2021-11-23 03:52:31,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:52:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47599656] [2021-11-23 03:52:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:52:31,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:52:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:52:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3012 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2993 trivial. 0 not checked. [2021-11-23 03:52:33,168 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:52:33,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47599656] [2021-11-23 03:52:33,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47599656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:52:33,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:52:33,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:52:33,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626828413] [2021-11-23 03:52:33,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:52:33,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:52:33,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:52:33,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:52:33,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:33,171 INFO L87 Difference]: Start difference. First operand 66090 states and 99020 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-23 03:52:36,201 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 [] [2021-11-23 03:52:40,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:45,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:49,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:52,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:56,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:52:58,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:00,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:03,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:06,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:09,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:11,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:53:13,571 INFO L93 Difference]: Finished difference Result 164492 states and 246667 transitions. [2021-11-23 03:53:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:53:13,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 391 [2021-11-23 03:53:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:53:14,028 INFO L225 Difference]: With dead ends: 164492 [2021-11-23 03:53:14,029 INFO L226 Difference]: Without dead ends: 98541 [2021-11-23 03:53:14,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:14,217 INFO L933 BasicCegarLoop]: 9416 mSDtfsCounter, 5062 mSDsluCounter, 5386 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 9 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5073 SdHoareTripleChecker+Valid, 14252 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:53:14,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5073 Valid, 14252 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1668 Invalid, 9 Unknown, 0 Unchecked, 37.9s Time] [2021-11-23 03:53:14,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98541 states. [2021-11-23 03:53:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98541 to 98499. [2021-11-23 03:53:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98499 states, 62772 states have (on average 1.3465239278659276) internal successors, (84524), 65094 states have internal predecessors, (84524), 31374 states have call successors, (31374), 4351 states have call predecessors, (31374), 4351 states have return successors, (31716), 29926 states have call predecessors, (31716), 31374 states have call successors, (31716) [2021-11-23 03:53:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98499 states to 98499 states and 147614 transitions. [2021-11-23 03:53:20,088 INFO L78 Accepts]: Start accepts. Automaton has 98499 states and 147614 transitions. Word has length 391 [2021-11-23 03:53:20,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:53:20,089 INFO L470 AbstractCegarLoop]: Abstraction has 98499 states and 147614 transitions. [2021-11-23 03:53:20,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-23 03:53:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 98499 states and 147614 transitions. [2021-11-23 03:53:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-23 03:53:20,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:53:20,102 INFO L514 BasicCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:53:20,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:53:20,102 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:53:20,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:53:20,103 INFO L85 PathProgramCache]: Analyzing trace with hash -997156397, now seen corresponding path program 1 times [2021-11-23 03:53:20,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:53:20,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661885465] [2021-11-23 03:53:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:53:20,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:53:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:53:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3065 trivial. 0 not checked. [2021-11-23 03:53:21,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:53:21,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661885465] [2021-11-23 03:53:21,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661885465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:53:21,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:53:21,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:53:21,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800034965] [2021-11-23 03:53:21,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:53:21,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:53:21,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:53:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:53:21,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:21,502 INFO L87 Difference]: Start difference. First operand 98499 states and 147614 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-23 03:53:24,837 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 [] [2021-11-23 03:53:28,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:32,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:53:34,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:39,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:42,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:44,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:47,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:48,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:52,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:54,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:56,775 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 [] [2021-11-23 03:53:58,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:53:58,171 INFO L93 Difference]: Finished difference Result 196864 states and 295670 transitions. [2021-11-23 03:53:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:53:58,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 395 [2021-11-23 03:53:58,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:53:58,788 INFO L225 Difference]: With dead ends: 196864 [2021-11-23 03:53:58,788 INFO L226 Difference]: Without dead ends: 98504 [2021-11-23 03:53:59,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:59,079 INFO L933 BasicCegarLoop]: 4865 mSDtfsCounter, 2 mSDsluCounter, 5420 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9727 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:53:59,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 9727 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1121 Invalid, 10 Unknown, 0 Unchecked, 33.6s Time] [2021-11-23 03:53:59,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98504 states. [2021-11-23 03:54:04,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98504 to 98500. [2021-11-23 03:54:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98500 states, 62773 states have (on average 1.3465184075956222) internal successors, (84525), 65095 states have internal predecessors, (84525), 31374 states have call successors, (31374), 4351 states have call predecessors, (31374), 4351 states have return successors, (31716), 29926 states have call predecessors, (31716), 31374 states have call successors, (31716) [2021-11-23 03:54:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98500 states to 98500 states and 147615 transitions. [2021-11-23 03:54:04,805 INFO L78 Accepts]: Start accepts. Automaton has 98500 states and 147615 transitions. Word has length 395 [2021-11-23 03:54:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:04,806 INFO L470 AbstractCegarLoop]: Abstraction has 98500 states and 147615 transitions. [2021-11-23 03:54:04,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-23 03:54:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 98500 states and 147615 transitions. [2021-11-23 03:54:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-23 03:54:04,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:04,820 INFO L514 BasicCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:04,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:54:04,820 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1251073252, now seen corresponding path program 1 times [2021-11-23 03:54:04,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:04,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521099314] [2021-11-23 03:54:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:04,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-11-23 03:54:06,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:06,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521099314] [2021-11-23 03:54:06,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521099314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:06,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:06,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:54:06,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294421271] [2021-11-23 03:54:06,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:06,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:54:06,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:06,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:54:06,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:06,358 INFO L87 Difference]: Start difference. First operand 98500 states and 147615 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-23 03:54:09,530 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 [] [2021-11-23 03:54:13,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:17,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:54:18,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:21,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:24,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:27,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:29,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:32,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:34,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:36,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:38,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:40,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:45,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:47,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:52,043 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 [] [2021-11-23 03:54:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:54,619 INFO L93 Difference]: Finished difference Result 292366 states and 438697 transitions. [2021-11-23 03:54:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:54:54,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 404 [2021-11-23 03:54:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:56,076 INFO L225 Difference]: With dead ends: 292366 [2021-11-23 03:54:56,076 INFO L226 Difference]: Without dead ends: 194005 [2021-11-23 03:54:56,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:56,385 INFO L933 BasicCegarLoop]: 9396 mSDtfsCounter, 5065 mSDsluCounter, 5399 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5075 SdHoareTripleChecker+Valid, 14240 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:56,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5075 Valid, 14240 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1657 Invalid, 11 Unknown, 0 Unchecked, 42.8s Time] [2021-11-23 03:54:56,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194005 states. [2021-11-23 03:55:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194005 to 193987. [2021-11-23 03:55:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193987 states, 124037 states have (on average 1.3475414594032427) internal successors, (167145), 128501 states have internal predecessors, (167145), 61524 states have call successors, (61524), 8424 states have call predecessors, (61524), 8424 states have return successors, (62296), 58794 states have call predecessors, (62296), 61524 states have call successors, (62296) [2021-11-23 03:55:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193987 states to 193987 states and 290965 transitions. [2021-11-23 03:55:09,399 INFO L78 Accepts]: Start accepts. Automaton has 193987 states and 290965 transitions. Word has length 404 [2021-11-23 03:55:09,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:09,400 INFO L470 AbstractCegarLoop]: Abstraction has 193987 states and 290965 transitions. [2021-11-23 03:55:09,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-23 03:55:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 193987 states and 290965 transitions. [2021-11-23 03:55:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-23 03:55:09,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:09,415 INFO L514 BasicCegarLoop]: trace histogram [35, 26, 26, 26, 26, 26, 26, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:09,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:55:09,415 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1675723433, now seen corresponding path program 1 times [2021-11-23 03:55:09,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:09,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087758565] [2021-11-23 03:55:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:09,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat