./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbb284c8fe8987476d295a126460c40daa8ed05b0e9056fced60c5d754c64dca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:38:42,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:38:42,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:38:42,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:38:42,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:38:42,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:38:42,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:38:42,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:38:42,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:38:42,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:38:42,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:38:42,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:38:42,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:38:42,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:38:42,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:38:42,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:38:42,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:38:42,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:38:42,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:38:42,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:38:42,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:38:42,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:38:42,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:38:42,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:38:42,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:38:42,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:38:42,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:38:42,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:38:42,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:38:42,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:38:42,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:38:42,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:38:42,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:38:42,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:38:42,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:38:42,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:38:42,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:38:42,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:38:42,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:38:42,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:38:42,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:38:42,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:38:42,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:38:42,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:38:42,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:38:42,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:38:42,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:38:42,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:38:42,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:38:42,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:38:42,946 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:38:42,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:38:42,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:38:42,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:38:42,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:38:42,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:38:42,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:38:42,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:38:42,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:38:42,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:38:42,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:38:42,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:38:42,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:38:42,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:38:42,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:38:42,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:38:42,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:38:42,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:38:42,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:38:42,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:38:42,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:38:42,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:38:42,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:38:42,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb284c8fe8987476d295a126460c40daa8ed05b0e9056fced60c5d754c64dca [2021-11-20 07:38:43,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:38:43,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:38:43,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:38:43,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:38:43,269 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:38:43,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-20 07:38:43,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/data/dbc3d7d75/344fa98de4a94cb49b3b1fde21b0ac56/FLAGd6e002286 [2021-11-20 07:38:44,869 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:38:44,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-20 07:38:44,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/data/dbc3d7d75/344fa98de4a94cb49b3b1fde21b0ac56/FLAGd6e002286 [2021-11-20 07:38:45,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/data/dbc3d7d75/344fa98de4a94cb49b3b1fde21b0ac56 [2021-11-20 07:38:45,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:38:45,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:38:45,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:38:45,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:38:45,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:38:45,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:38:45" (1/1) ... [2021-11-20 07:38:45,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf923b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:45, skipping insertion in model container [2021-11-20 07:38:45,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:38:45" (1/1) ... [2021-11-20 07:38:45,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:38:45,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:38:54,991 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_f1efdc33-69fb-4b32-94a0-29a214badd6b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042469,1042482] [2021-11-20 07:38:54,993 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_f1efdc33-69fb-4b32-94a0-29a214badd6b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042614,1042627] [2021-11-20 07:38:55,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:38:55,259 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:38:56,320 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_f1efdc33-69fb-4b32-94a0-29a214badd6b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042469,1042482] [2021-11-20 07:38:56,321 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_f1efdc33-69fb-4b32-94a0-29a214badd6b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042614,1042627] [2021-11-20 07:38:56,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:38:56,818 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:38:56,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56 WrapperNode [2021-11-20 07:38:56,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:38:56,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:38:56,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:38:56,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:38:56,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:57,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,132 INFO L137 Inliner]: procedures = 664, calls = 14258, calls flagged for inlining = 328, calls inlined = 301, statements flattened = 27199 [2021-11-20 07:38:58,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:38:58,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:38:58,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:38:58,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:38:58,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:58,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:59,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:59,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:38:59,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:38:59,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:38:59,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:38:59,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (1/1) ... [2021-11-20 07:38:59,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:38:59,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:38:59,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:38:59,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efdc33-69fb-4b32-94a0-29a214badd6b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:38:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_rf_reg [2021-11-20 07:38:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_rf_reg [2021-11-20 07:38:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-20 07:38:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-20 07:38:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-20 07:38:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-20 07:38:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-20 07:38:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-20 07:38:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_interrupt [2021-11-20 07:38:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_interrupt [2021-11-20 07:38:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:38:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:38:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_bb_reg [2021-11-20 07:38:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_bb_reg [2021-11-20 07:38:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-20 07:38:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-20 07:38:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:38:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:38:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-20 07:38:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-20 07:38:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_deinit_sw_vars [2021-11-20 07:38:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_deinit_sw_vars [2021-11-20 07:38:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-20 07:38:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-20 07:38:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-20 07:38:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-20 07:38:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 07:38:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 07:38:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:38:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:38:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_is_fw_downloaded [2021-11-20 07:38:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_is_fw_downloaded [2021-11-20 07:38:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-20 07:38:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-20 07:38:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-20 07:38:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-20 07:38:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_polling [2021-11-20 07:38:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_polling [2021-11-20 07:38:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_led_control [2021-11-20 07:38:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_led_control [2021-11-20 07:38:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:38:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:38:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:38:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:38:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:38:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:38:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92ce_init_led [2021-11-20 07:38:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92ce_init_led [2021-11-20 07:38:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_watchdog [2021-11-20 07:38:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_watchdog [2021-11-20 07:38:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:38:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_llt_write [2021-11-20 07:38:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_llt_write [2021-11-20 07:38:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_stop_tx_beacon [2021-11-20 07:38:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_stop_tx_beacon [2021-11-20 07:38:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_firmware_selfreset [2021-11-20 07:38:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_firmware_selfreset [2021-11-20 07:38:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-20 07:38:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-20 07:38:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_query_rxpwrpercentage [2021-11-20 07:38:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_query_rxpwrpercentage [2021-11-20 07:38:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_write_dig [2021-11-20 07:38:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_write_dig [2021-11-20 07:38:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bw_mode [2021-11-20 07:38:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bw_mode [2021-11-20 07:38:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-20 07:38:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-20 07:38:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bb_reg [2021-11-20 07:38:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bb_reg [2021-11-20 07:38:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_lc_calibrate [2021-11-20 07:38:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_lc_calibrate [2021-11-20 07:38:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:38:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:38:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:38:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-20 07:38:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-20 07:38:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_simularity_compare [2021-11-20 07:38:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_simularity_compare [2021-11-20 07:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pimode_switch [2021-11-20 07:38:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pimode_switch [2021-11-20 07:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 07:38:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 07:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_powerdown_anotherphy [2021-11-20 07:38:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_powerdown_anotherphy [2021-11-20 07:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_update_bbrf_configuration [2021-11-20 07:38:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_update_bbrf_configuration [2021-11-20 07:38:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:38:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:38:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_mac_setting_calibration [2021-11-20 07:38:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_mac_setting_calibration [2021-11-20 07:38:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:38:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:38:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:38:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:38:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:38:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_hw_reg [2021-11-20 07:38:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_hw_reg [2021-11-20 07:38:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:38:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:38:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 07:38:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 07:38:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-20 07:38:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-20 07:38:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_power [2021-11-20 07:38:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_power [2021-11-20 07:38:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-20 07:38:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-20 07:38:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-20 07:38:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-20 07:38:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_suspend [2021-11-20 07:38:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_suspend [2021-11-20 07:38:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-20 07:38:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-20 07:38:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_hw_security_config [2021-11-20 07:38:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_hw_security_config [2021-11-20 07:38:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-20 07:38:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-20 07:38:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_check_bssid [2021-11-20 07:38:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_check_bssid [2021-11-20 07:38:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_media_status [2021-11-20 07:38:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_media_status [2021-11-20 07:38:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_fill_h2c_cmd [2021-11-20 07:38:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_fill_h2c_cmd [2021-11-20 07:38:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-20 07:38:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-20 07:38:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:38:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_related_registers [2021-11-20 07:38:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_related_registers [2021-11-20 07:38:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:38:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:38:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:38:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:38:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:38:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:38:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:38:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:38:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:38:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:38:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:38:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_lc_calibrate [2021-11-20 07:38:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_lc_calibrate [2021-11-20 07:38:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-20 07:38:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-20 07:38:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_iq_calibrate [2021-11-20 07:38:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_iq_calibrate [2021-11-20 07:38:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-20 07:38:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-20 07:38:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_disable_interrupt [2021-11-20 07:38:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_disable_interrupt [2021-11-20 07:38:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-20 07:38:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-20 07:38:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_desc [2021-11-20 07:38:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_desc [2021-11-20 07:38:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 07:38:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 07:38:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_fw_page_write [2021-11-20 07:38:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_fw_page_write [2021-11-20 07:38:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-20 07:38:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-20 07:38:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-20 07:38:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-20 07:38:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-20 07:38:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-20 07:38:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:38:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:38:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_txpower_level [2021-11-20 07:38:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_txpower_level [2021-11-20 07:38:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_fill_cmddesc [2021-11-20 07:38:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_fill_cmddesc [2021-11-20 07:38:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-20 07:38:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-20 07:38:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:38:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:38:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:38:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:38:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_on [2021-11-20 07:38:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_on [2021-11-20 07:38:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_reset_iqk_result [2021-11-20 07:38:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_reset_iqk_result [2021-11-20 07:38:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-20 07:38:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-20 07:38:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:38:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:38:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_resume_tx_beacon [2021-11-20 07:38:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_resume_tx_beacon [2021-11-20 07:38:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-20 07:38:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-20 07:38:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 07:38:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 07:38:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_check_fw_read_last_h2c [2021-11-20 07:38:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_check_fw_read_last_h2c [2021-11-20 07:38:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_init_sw_vars [2021-11-20 07:38:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_init_sw_vars [2021-11-20 07:38:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-20 07:38:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-20 07:38:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-20 07:38:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-20 07:38:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-20 07:38:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-20 07:38:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 07:38:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 07:38:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:38:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:38:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-20 07:38:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-20 07:38:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 07:38:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 07:38:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-20 07:38:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-20 07:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_enable_rf_env [2021-11-20 07:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_enable_rf_env [2021-11-20 07:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_mac_registers [2021-11-20 07:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_mac_registers [2021-11-20 07:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_restore_rf_env [2021-11-20 07:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_restore_rf_env [2021-11-20 07:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_iq_calibrate [2021-11-20 07:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_iq_calibrate [2021-11-20 07:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_resume [2021-11-20 07:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_resume [2021-11-20 07:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-20 07:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-20 07:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-20 07:38:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-20 07:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_eeprom_info [2021-11-20 07:38:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_eeprom_info [2021-11-20 07:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:38:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:38:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 07:38:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 07:38:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_rf_serial_read [2021-11-20 07:38:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_rf_serial_read [2021-11-20 07:38:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-20 07:38:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-20 07:38:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___2 [2021-11-20 07:38:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___2 [2021-11-20 07:38:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-20 07:38:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-20 07:38:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-20 07:38:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-20 07:38:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-20 07:38:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-20 07:38:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:38:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:38:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-20 07:38:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-20 07:38:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:38:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:38:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_off [2021-11-20 07:38:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_off [2021-11-20 07:38:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-20 07:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-20 07:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-20 07:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-20 07:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_poweroff_adapter [2021-11-20 07:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_poweroff_adapter [2021-11-20 07:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-20 07:38:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-20 07:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-20 07:38:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-20 07:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_path_adda_on [2021-11-20 07:38:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_path_adda_on [2021-11-20 07:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-20 07:38:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-20 07:38:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calculate_bit_shift [2021-11-20 07:38:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calculate_bit_shift [2021-11-20 07:38:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 07:38:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 07:38:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_channel_access_setting [2021-11-20 07:38:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_channel_access_setting [2021-11-20 07:38:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_mac_registers [2021-11-20 07:38:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_mac_registers [2021-11-20 07:38:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_adda_registers [2021-11-20 07:38:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_adda_registers [2021-11-20 07:38:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_switch_wirelessband [2021-11-20 07:38:59,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_switch_wirelessband [2021-11-20 07:38:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_hw_init [2021-11-20 07:38:59,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_hw_init [2021-11-20 07:38:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calc_curvindex [2021-11-20 07:38:59,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calc_curvindex [2021-11-20 07:38:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_interval [2021-11-20 07:38:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_interval [2021-11-20 07:38:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:38:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-20 07:38:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-20 07:38:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_hw_reg [2021-11-20 07:38:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_hw_reg [2021-11-20 07:38:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-20 07:38:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-20 07:38:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:38:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:38:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-20 07:38:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-20 07:38:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_qos [2021-11-20 07:38:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_qos [2021-11-20 07:38:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_linked_set_reg [2021-11-20 07:38:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_linked_set_reg [2021-11-20 07:38:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-20 07:38:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-20 07:38:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_init_edca_turbo [2021-11-20 07:38:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_init_edca_turbo [2021-11-20 07:38:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_dword_dbi [2021-11-20 07:38:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_dword_dbi [2021-11-20 07:38:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-20 07:38:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-20 07:38:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_interrupt_mask [2021-11-20 07:38:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_interrupt_mask [2021-11-20 07:38:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 07:38:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 07:38:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_enable_fw_download [2021-11-20 07:38:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_enable_fw_download [2021-11-20 07:38:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_init_sw_leds [2021-11-20 07:38:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_init_sw_leds [2021-11-20 07:38:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_rf_reg [2021-11-20 07:38:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_rf_reg [2021-11-20 07:38:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 07:38:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 07:38:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-20 07:38:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-20 07:38:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_adda_registers [2021-11-20 07:38:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_adda_registers [2021-11-20 07:38:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:38:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:38:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_card_disable [2021-11-20 07:38:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_card_disable [2021-11-20 07:38:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-20 07:38:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-20 07:38:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-20 07:38:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-20 07:38:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_signal_scale_mapping [2021-11-20 07:38:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_signal_scale_mapping [2021-11-20 07:38:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_enable_anotherphy [2021-11-20 07:38:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_enable_anotherphy [2021-11-20 07:38:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-20 07:38:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-20 07:38:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:38:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-20 07:38:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-20 07:38:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_write_dword_dbi [2021-11-20 07:38:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_write_dword_dbi [2021-11-20 07:38:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:38:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:38:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-20 07:38:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-20 07:38:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-20 07:38:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-20 07:38:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-20 07:38:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-20 07:38:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 07:38:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 07:39:02,060 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:39:02,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:39:13,750 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:40:38,654 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:40:38,709 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:40:38,709 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-20 07:40:38,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:40:38 BoogieIcfgContainer [2021-11-20 07:40:38,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:40:38,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:40:38,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:40:38,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:40:38,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:38:45" (1/3) ... [2021-11-20 07:40:38,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afaafde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:40:38, skipping insertion in model container [2021-11-20 07:40:38,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:56" (2/3) ... [2021-11-20 07:40:38,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afaafde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:40:38, skipping insertion in model container [2021-11-20 07:40:38,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:40:38" (3/3) ... [2021-11-20 07:40:38,729 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-20 07:40:38,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:40:38,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:40:38,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:40:38,850 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:40:38,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 07:40:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 8133 states, 5405 states have (on average 1.367622571692877) internal successors, (7392), 5625 states have internal predecessors, (7392), 2569 states have call successors, (2569), 168 states have call predecessors, (2569), 167 states have return successors, (2562), 2460 states have call predecessors, (2562), 2562 states have call successors, (2562) [2021-11-20 07:40:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-20 07:40:39,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:39,052 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:40:39,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:40:39,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2015273192, now seen corresponding path program 1 times [2021-11-20 07:40:39,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:39,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696671002] [2021-11-20 07:40:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:39,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:40:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:40:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:40:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:40:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:40:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:40:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:40:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:40:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:40:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:40:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:40:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:40:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:40:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:40:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:40:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:40:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:40:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:40:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:40:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:40:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:40:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:40:41,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:41,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696671002] [2021-11-20 07:40:41,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696671002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:41,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:41,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:40:41,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061618373] [2021-11-20 07:40:41,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:41,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:40:41,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:41,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:40:41,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:40:41,748 INFO L87 Difference]: Start difference. First operand has 8133 states, 5405 states have (on average 1.367622571692877) internal successors, (7392), 5625 states have internal predecessors, (7392), 2569 states have call successors, (2569), 168 states have call predecessors, (2569), 167 states have return successors, (2562), 2460 states have call predecessors, (2562), 2562 states have call successors, (2562) Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:40:45,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:50,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:52,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:55,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:57,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:02,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:13,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:15,507 INFO L93 Difference]: Finished difference Result 10235 states and 15731 transitions. [2021-11-20 07:41:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:41:15,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2021-11-20 07:41:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:15,581 INFO L225 Difference]: With dead ends: 10235 [2021-11-20 07:41:15,581 INFO L226 Difference]: Without dead ends: 4371 [2021-11-20 07:41:15,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:15,638 INFO L933 BasicCegarLoop]: 7139 mSDtfsCounter, 7061 mSDsluCounter, 7510 mSDsCounter, 0 mSdLazyCounter, 5363 mSolverCounterSat, 2630 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7943 SdHoareTripleChecker+Valid, 14649 SdHoareTripleChecker+Invalid, 8000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2630 IncrementalHoareTripleChecker+Valid, 5363 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:15,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7943 Valid, 14649 Invalid, 8000 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2630 Valid, 5363 Invalid, 7 Unknown, 0 Unchecked, 32.7s Time] [2021-11-20 07:41:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2021-11-20 07:41:16,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 4312. [2021-11-20 07:41:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 3076 states have (on average 1.349154746423927) internal successors, (4150), 3159 states have internal predecessors, (4150), 1112 states have call successors, (1112), 122 states have call predecessors, (1112), 122 states have return successors, (1112), 1069 states have call predecessors, (1112), 1112 states have call successors, (1112) [2021-11-20 07:41:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 6374 transitions. [2021-11-20 07:41:16,149 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 6374 transitions. Word has length 158 [2021-11-20 07:41:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:16,151 INFO L470 AbstractCegarLoop]: Abstraction has 4312 states and 6374 transitions. [2021-11-20 07:41:16,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:41:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 6374 transitions. [2021-11-20 07:41:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-20 07:41:16,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:16,157 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:41:16,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:41:16,157 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:41:16,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:16,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2648493, now seen corresponding path program 1 times [2021-11-20 07:41:16,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:16,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863365910] [2021-11-20 07:41:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:16,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:41:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:41:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:41:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:41:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:41:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:41:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:41:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:41:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:41:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:41:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:41:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:41:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:41:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:41:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:41:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:41:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:41:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:41:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:41:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:41:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:41:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:41:17,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:17,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863365910] [2021-11-20 07:41:17,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863365910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:17,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:17,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:17,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193409224] [2021-11-20 07:41:17,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:17,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:17,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:17,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:17,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:17,947 INFO L87 Difference]: Start difference. First operand 4312 states and 6374 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:41:21,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:27,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:30,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:34,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:44,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:45,120 INFO L93 Difference]: Finished difference Result 8654 states and 12866 transitions. [2021-11-20 07:41:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:41:45,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2021-11-20 07:41:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:45,173 INFO L225 Difference]: With dead ends: 8654 [2021-11-20 07:41:45,174 INFO L226 Difference]: Without dead ends: 4371 [2021-11-20 07:41:45,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:41:45,203 INFO L933 BasicCegarLoop]: 6102 mSDtfsCounter, 9200 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 5965 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9200 SdHoareTripleChecker+Valid, 12839 SdHoareTripleChecker+Invalid, 10056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5965 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:45,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9200 Valid, 12839 Invalid, 10056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5965 Valid, 4086 Invalid, 5 Unknown, 0 Unchecked, 26.5s Time] [2021-11-20 07:41:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2021-11-20 07:41:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 4312. [2021-11-20 07:41:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 3076 states have (on average 1.3488296488946685) internal successors, (4149), 3159 states have internal predecessors, (4149), 1112 states have call successors, (1112), 122 states have call predecessors, (1112), 122 states have return successors, (1112), 1069 states have call predecessors, (1112), 1112 states have call successors, (1112) [2021-11-20 07:41:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 6373 transitions. [2021-11-20 07:41:45,564 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 6373 transitions. Word has length 159 [2021-11-20 07:41:45,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:45,568 INFO L470 AbstractCegarLoop]: Abstraction has 4312 states and 6373 transitions. [2021-11-20 07:41:45,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:41:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 6373 transitions. [2021-11-20 07:41:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-20 07:41:45,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:45,579 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:41:45,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:41:45,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:41:45,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1751772108, now seen corresponding path program 1 times [2021-11-20 07:41:45,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:45,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518322536] [2021-11-20 07:41:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:45,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:41:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:41:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:41:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:41:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:41:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:41:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:41:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:41:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:41:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:41:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:41:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:41:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:41:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:41:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:41:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:41:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:41:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:41:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:41:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:41:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:41:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:41:47,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:47,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518322536] [2021-11-20 07:41:47,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518322536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:47,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:47,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:47,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808500280] [2021-11-20 07:41:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:47,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:47,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:47,191 INFO L87 Difference]: Start difference. First operand 4312 states and 6373 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:41:50,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:55,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:58,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:01,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:11,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:12,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:12,560 INFO L93 Difference]: Finished difference Result 8654 states and 12864 transitions. [2021-11-20 07:42:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:42:12,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 160 [2021-11-20 07:42:12,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:12,603 INFO L225 Difference]: With dead ends: 8654 [2021-11-20 07:42:12,604 INFO L226 Difference]: Without dead ends: 4371 [2021-11-20 07:42:12,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:42:12,630 INFO L933 BasicCegarLoop]: 6102 mSDtfsCounter, 9194 mSDsluCounter, 6747 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 5965 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9194 SdHoareTripleChecker+Valid, 12849 SdHoareTripleChecker+Invalid, 10055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5965 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:12,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9194 Valid, 12849 Invalid, 10055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5965 Valid, 4085 Invalid, 5 Unknown, 0 Unchecked, 24.8s Time] [2021-11-20 07:42:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2021-11-20 07:42:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 4312. [2021-11-20 07:42:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 3076 states have (on average 1.3485045513654097) internal successors, (4148), 3159 states have internal predecessors, (4148), 1112 states have call successors, (1112), 122 states have call predecessors, (1112), 122 states have return successors, (1112), 1069 states have call predecessors, (1112), 1112 states have call successors, (1112) [2021-11-20 07:42:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 6372 transitions. [2021-11-20 07:42:12,963 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 6372 transitions. Word has length 160 [2021-11-20 07:42:12,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:12,966 INFO L470 AbstractCegarLoop]: Abstraction has 4312 states and 6372 transitions. [2021-11-20 07:42:12,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:42:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 6372 transitions. [2021-11-20 07:42:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-20 07:42:12,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:12,971 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:42:12,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:42:12,971 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:42:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:12,972 INFO L85 PathProgramCache]: Analyzing trace with hash -189719287, now seen corresponding path program 1 times [2021-11-20 07:42:12,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:12,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72588000] [2021-11-20 07:42:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:12,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:42:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:42:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:42:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:42:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:42:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:42:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:42:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:42:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:42:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:42:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:42:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:42:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:42:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:42:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:42:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:42:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:42:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:42:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:42:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:42:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:42:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:42:14,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:14,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72588000] [2021-11-20 07:42:14,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72588000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:14,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:42:14,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:42:14,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201284860] [2021-11-20 07:42:14,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:14,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:42:14,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:14,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:42:14,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:42:14,452 INFO L87 Difference]: Start difference. First operand 4312 states and 6372 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:42:17,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:23,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:25,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:30,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:42,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:44,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:48,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:50,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:53,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:56,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:14,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:17,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:25,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:27,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:27,350 INFO L93 Difference]: Finished difference Result 17306 states and 25801 transitions. [2021-11-20 07:43:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:43:27,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2021-11-20 07:43:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:27,490 INFO L225 Difference]: With dead ends: 17306 [2021-11-20 07:43:27,491 INFO L226 Difference]: Without dead ends: 13023 [2021-11-20 07:43:27,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:43:27,521 INFO L933 BasicCegarLoop]: 13051 mSDtfsCounter, 22305 mSDsluCounter, 15396 mSDsCounter, 0 mSdLazyCounter, 12730 mSolverCounterSat, 10705 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23886 SdHoareTripleChecker+Valid, 28447 SdHoareTripleChecker+Invalid, 23448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10705 IncrementalHoareTripleChecker+Valid, 12730 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:27,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23886 Valid, 28447 Invalid, 23448 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10705 Valid, 12730 Invalid, 13 Unknown, 0 Unchecked, 71.5s Time] [2021-11-20 07:43:27,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13023 states. [2021-11-20 07:43:28,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13023 to 12840. [2021-11-20 07:43:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12840 states, 9168 states have (on average 1.349585514834206) internal successors, (12373), 9419 states have internal predecessors, (12373), 3306 states have call successors, (3306), 364 states have call predecessors, (3306), 364 states have return successors, (3394), 3171 states have call predecessors, (3394), 3306 states have call successors, (3394) [2021-11-20 07:43:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12840 states to 12840 states and 19073 transitions. [2021-11-20 07:43:28,796 INFO L78 Accepts]: Start accepts. Automaton has 12840 states and 19073 transitions. Word has length 161 [2021-11-20 07:43:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:28,798 INFO L470 AbstractCegarLoop]: Abstraction has 12840 states and 19073 transitions. [2021-11-20 07:43:28,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:43:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 12840 states and 19073 transitions. [2021-11-20 07:43:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-20 07:43:28,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:28,804 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:43:28,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:43:28,804 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:43:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:28,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1103794512, now seen corresponding path program 1 times [2021-11-20 07:43:28,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:28,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358061158] [2021-11-20 07:43:28,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:28,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:43:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:43:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:43:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:43:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:43:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:43:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:43:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:43:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:43:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:43:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:43:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:43:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:43:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:43:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:43:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:43:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:43:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:43:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:43:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:43:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:43:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:43:30,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:30,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358061158] [2021-11-20 07:43:30,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358061158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:30,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:30,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:43:30,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987359059] [2021-11-20 07:43:30,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:30,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:43:30,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:30,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:43:30,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:43:30,556 INFO L87 Difference]: Start difference. First operand 12840 states and 19073 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:43:34,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:39,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:41,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:44,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:54,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:55,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:55,313 INFO L93 Difference]: Finished difference Result 25816 states and 38623 transitions. [2021-11-20 07:43:55,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:43:55,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2021-11-20 07:43:55,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:55,399 INFO L225 Difference]: With dead ends: 25816 [2021-11-20 07:43:55,399 INFO L226 Difference]: Without dead ends: 13005 [2021-11-20 07:43:55,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:43:55,448 INFO L933 BasicCegarLoop]: 6102 mSDtfsCounter, 9189 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 5963 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9189 SdHoareTripleChecker+Valid, 12850 SdHoareTripleChecker+Invalid, 10053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5963 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:55,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9189 Valid, 12850 Invalid, 10053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5963 Valid, 4085 Invalid, 5 Unknown, 0 Unchecked, 23.7s Time] [2021-11-20 07:43:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2021-11-20 07:43:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 12840. [2021-11-20 07:43:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12840 states, 9168 states have (on average 1.3492582897033158) internal successors, (12370), 9419 states have internal predecessors, (12370), 3306 states have call successors, (3306), 364 states have call predecessors, (3306), 364 states have return successors, (3394), 3171 states have call predecessors, (3394), 3306 states have call successors, (3394) [2021-11-20 07:43:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12840 states to 12840 states and 19070 transitions. [2021-11-20 07:43:56,583 INFO L78 Accepts]: Start accepts. Automaton has 12840 states and 19070 transitions. Word has length 162 [2021-11-20 07:43:56,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:56,584 INFO L470 AbstractCegarLoop]: Abstraction has 12840 states and 19070 transitions. [2021-11-20 07:43:56,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:43:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12840 states and 19070 transitions. [2021-11-20 07:43:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-20 07:43:56,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:56,590 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:43:56,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:43:56,590 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:43:56,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:56,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1632434075, now seen corresponding path program 1 times [2021-11-20 07:43:56,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:56,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145391321] [2021-11-20 07:43:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:56,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:43:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:43:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:43:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:43:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:43:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:43:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:43:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:43:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:43:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:43:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:43:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:43:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:43:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:43:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:43:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:43:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:43:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:43:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:43:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:43:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:43:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:43:57,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:57,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145391321] [2021-11-20 07:43:57,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145391321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:57,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:57,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:43:57,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161530498] [2021-11-20 07:43:57,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:57,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:43:57,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:57,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:43:57,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:43:57,931 INFO L87 Difference]: Start difference. First operand 12840 states and 19070 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:44:01,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:06,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:08,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:12,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:25,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:35,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:37,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:39,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:58,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:45:00,810 INFO L93 Difference]: Finished difference Result 51322 states and 77013 transitions. [2021-11-20 07:45:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2021-11-20 07:45:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:45:01,067 INFO L225 Difference]: With dead ends: 51322 [2021-11-20 07:45:01,067 INFO L226 Difference]: Without dead ends: 38511 [2021-11-20 07:45:01,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:45:01,441 INFO L933 BasicCegarLoop]: 12937 mSDtfsCounter, 20670 mSDsluCounter, 16566 mSDsCounter, 0 mSdLazyCounter, 12944 mSolverCounterSat, 10003 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22214 SdHoareTripleChecker+Valid, 29503 SdHoareTripleChecker+Invalid, 22956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10003 IncrementalHoareTripleChecker+Valid, 12944 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:45:01,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22214 Valid, 29503 Invalid, 22956 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10003 Valid, 12944 Invalid, 9 Unknown, 0 Unchecked, 60.5s Time] [2021-11-20 07:45:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38511 states. [2021-11-20 07:45:05,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38511 to 38008. [2021-11-20 07:45:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38008 states, 27182 states have (on average 1.3504892943859907) internal successors, (36709), 27939 states have internal predecessors, (36709), 9748 states have call successors, (9748), 1078 states have call predecessors, (9748), 1076 states have return successors, (10267), 9333 states have call predecessors, (10267), 9748 states have call successors, (10267) [2021-11-20 07:45:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38008 states to 38008 states and 56724 transitions. [2021-11-20 07:45:06,003 INFO L78 Accepts]: Start accepts. Automaton has 38008 states and 56724 transitions. Word has length 163 [2021-11-20 07:45:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:45:06,003 INFO L470 AbstractCegarLoop]: Abstraction has 38008 states and 56724 transitions. [2021-11-20 07:45:06,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:45:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 38008 states and 56724 transitions. [2021-11-20 07:45:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-20 07:45:06,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:45:06,007 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:45:06,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:45:06,008 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:06,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -441657748, now seen corresponding path program 1 times [2021-11-20 07:45:06,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:06,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787819284] [2021-11-20 07:45:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:06,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:45:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:45:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:45:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:45:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:45:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:45:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:45:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:45:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:45:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:45:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:45:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:45:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:45:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:45:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:45:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:45:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:45:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:45:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:45:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:45:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:45:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:45:07,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:07,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787819284] [2021-11-20 07:45:07,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787819284] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:07,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:07,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:07,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365163657] [2021-11-20 07:45:07,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:07,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:07,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:07,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:07,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:07,287 INFO L87 Difference]: Start difference. First operand 38008 states and 56724 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:45:10,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:16,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:18,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:21,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:31,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:45:33,135 INFO L93 Difference]: Finished difference Result 76470 states and 115190 transitions. [2021-11-20 07:45:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:33,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 164 [2021-11-20 07:45:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:45:33,508 INFO L225 Difference]: With dead ends: 76470 [2021-11-20 07:45:33,509 INFO L226 Difference]: Without dead ends: 38491 [2021-11-20 07:45:33,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:45:33,666 INFO L933 BasicCegarLoop]: 6100 mSDtfsCounter, 9186 mSDsluCounter, 6747 mSDsCounter, 0 mSdLazyCounter, 4084 mSolverCounterSat, 5963 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9186 SdHoareTripleChecker+Valid, 12847 SdHoareTripleChecker+Invalid, 10052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5963 IncrementalHoareTripleChecker+Valid, 4084 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:45:33,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9186 Valid, 12847 Invalid, 10052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5963 Valid, 4084 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2021-11-20 07:45:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38491 states. [2021-11-20 07:45:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38491 to 38008. [2021-11-20 07:45:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38008 states, 27182 states have (on average 1.3501581929217865) internal successors, (36700), 27939 states have internal predecessors, (36700), 9748 states have call successors, (9748), 1078 states have call predecessors, (9748), 1076 states have return successors, (10267), 9333 states have call predecessors, (10267), 9748 states have call successors, (10267) [2021-11-20 07:45:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38008 states to 38008 states and 56715 transitions. [2021-11-20 07:45:37,091 INFO L78 Accepts]: Start accepts. Automaton has 38008 states and 56715 transitions. Word has length 164 [2021-11-20 07:45:37,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:45:37,092 INFO L470 AbstractCegarLoop]: Abstraction has 38008 states and 56715 transitions. [2021-11-20 07:45:37,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:45:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38008 states and 56715 transitions. [2021-11-20 07:45:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-20 07:45:37,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:45:37,096 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:45:37,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:45:37,096 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2067780671, now seen corresponding path program 1 times [2021-11-20 07:45:37,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:37,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557323900] [2021-11-20 07:45:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:37,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:45:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:45:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:45:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:45:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:45:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:45:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:45:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:45:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:45:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:45:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:45:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:45:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:45:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:45:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:45:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:45:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:45:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:45:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:45:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:45:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:45:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:45:38,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:38,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557323900] [2021-11-20 07:45:38,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557323900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:38,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:38,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:38,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713401944] [2021-11-20 07:45:38,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:38,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:38,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:38,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:38,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:38,290 INFO L87 Difference]: Start difference. First operand 38008 states and 56715 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:45:41,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:47,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:49,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:53,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:03,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:05,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:08,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:16,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:18,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:20,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:35,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:38,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:46,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:48,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:46:48,930 INFO L93 Difference]: Finished difference Result 149222 states and 226684 transitions. [2021-11-20 07:46:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:46:48,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165 [2021-11-20 07:46:48,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:46:49,705 INFO L225 Difference]: With dead ends: 149222 [2021-11-20 07:46:49,705 INFO L226 Difference]: Without dead ends: 111243 [2021-11-20 07:46:49,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:46:49,977 INFO L933 BasicCegarLoop]: 12769 mSDtfsCounter, 19927 mSDsluCounter, 16702 mSDsCounter, 0 mSdLazyCounter, 12909 mSolverCounterSat, 9512 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21411 SdHoareTripleChecker+Valid, 29471 SdHoareTripleChecker+Invalid, 22434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9512 IncrementalHoareTripleChecker+Valid, 12909 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:46:49,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21411 Valid, 29471 Invalid, 22434 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9512 Valid, 12909 Invalid, 13 Unknown, 0 Unchecked, 65.3s Time] [2021-11-20 07:46:50,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111243 states. [2021-11-20 07:46:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111243 to 109774. [2021-11-20 07:46:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109774 states, 78782 states have (on average 1.3512350536924678) internal successors, (106453), 81033 states have internal predecessors, (106453), 27814 states have call successors, (27814), 3196 states have call predecessors, (27814), 3176 states have return successors, (31600), 26535 states have call predecessors, (31600), 27814 states have call successors, (31600) [2021-11-20 07:47:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109774 states to 109774 states and 165867 transitions. [2021-11-20 07:47:00,093 INFO L78 Accepts]: Start accepts. Automaton has 109774 states and 165867 transitions. Word has length 165 [2021-11-20 07:47:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:47:00,094 INFO L470 AbstractCegarLoop]: Abstraction has 109774 states and 165867 transitions. [2021-11-20 07:47:00,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:47:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 109774 states and 165867 transitions. [2021-11-20 07:47:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-20 07:47:00,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:47:00,099 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:47:00,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:47:00,099 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:47:00,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash -823467128, now seen corresponding path program 1 times [2021-11-20 07:47:00,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:00,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148802267] [2021-11-20 07:47:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:00,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:47:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:47:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:47:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:47:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:47:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:47:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:47:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:47:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:47:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:47:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:47:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:47:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:47:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:47:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:47:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:47:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:47:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:47:01,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:01,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148802267] [2021-11-20 07:47:01,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148802267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:01,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:01,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:47:01,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756710292] [2021-11-20 07:47:01,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:01,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:47:01,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:01,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:47:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:47:01,332 INFO L87 Difference]: Start difference. First operand 109774 states and 165867 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:47:04,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:09,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:12,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:16,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:23,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:47:30,956 INFO L93 Difference]: Finished difference Result 220956 states and 339161 transitions. [2021-11-20 07:47:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:47:30,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 166 [2021-11-20 07:47:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:47:31,606 INFO L225 Difference]: With dead ends: 220956 [2021-11-20 07:47:31,606 INFO L226 Difference]: Without dead ends: 111211 [2021-11-20 07:47:32,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:47:32,220 INFO L933 BasicCegarLoop]: 6100 mSDtfsCounter, 9179 mSDsluCounter, 6739 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 5963 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9179 SdHoareTripleChecker+Valid, 12839 SdHoareTripleChecker+Invalid, 10051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5963 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:47:32,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9179 Valid, 12839 Invalid, 10051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5963 Valid, 4083 Invalid, 5 Unknown, 0 Unchecked, 23.5s Time] [2021-11-20 07:47:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111211 states. [2021-11-20 07:47:41,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111211 to 109774. [2021-11-20 07:47:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109774 states, 78782 states have (on average 1.3508923358127491) internal successors, (106426), 81033 states have internal predecessors, (106426), 27814 states have call successors, (27814), 3196 states have call predecessors, (27814), 3176 states have return successors, (31600), 26535 states have call predecessors, (31600), 27814 states have call successors, (31600) [2021-11-20 07:47:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109774 states to 109774 states and 165840 transitions. [2021-11-20 07:47:42,756 INFO L78 Accepts]: Start accepts. Automaton has 109774 states and 165840 transitions. Word has length 166 [2021-11-20 07:47:42,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:47:42,757 INFO L470 AbstractCegarLoop]: Abstraction has 109774 states and 165840 transitions. [2021-11-20 07:47:42,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:47:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 109774 states and 165840 transitions. [2021-11-20 07:47:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 07:47:42,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:47:42,761 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 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] [2021-11-20 07:47:42,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:47:42,761 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:47:42,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash -789936355, now seen corresponding path program 1 times [2021-11-20 07:47:42,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:42,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941939056] [2021-11-20 07:47:42,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:42,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:47:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:47:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:47:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:47:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:47:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:47:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:47:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:47:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:47:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:47:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:47:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:47:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:47:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:47:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:47:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:47:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:47:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 07:47:44,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:44,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941939056] [2021-11-20 07:47:44,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941939056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:44,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:44,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:47:44,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805652878] [2021-11-20 07:47:44,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:44,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:47:44,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:47:44,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:47:44,238 INFO L87 Difference]: Start difference. First operand 109774 states and 165840 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:47:47,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:52,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:54,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:58,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:05,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:24,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:26,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:31,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:45,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:48:57,211 INFO L93 Difference]: Finished difference Result 442064 states and 690397 transitions. [2021-11-20 07:48:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:57,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 167 [2021-11-20 07:48:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.