./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:28:53,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:28:53,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:28:53,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:28:53,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:28:53,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:28:53,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:28:53,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:28:53,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:28:53,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:28:53,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:28:53,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:28:53,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:28:53,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:28:53,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:28:53,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:28:53,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:28:53,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:28:53,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:28:53,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:28:53,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:28:53,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:28:53,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:28:53,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:28:53,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:28:53,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:28:53,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:28:53,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:28:53,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:28:53,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:28:53,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:28:53,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:28:53,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:28:53,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:28:53,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:28:53,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:28:53,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:28:53,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:28:53,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:28:53,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:28:53,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:28:53,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:28:53,524 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:28:53,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:28:53,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:28:53,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:28:53,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:28:53,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:28:53,533 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:28:53,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:28:53,533 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:28:53,534 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:28:53,535 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:28:53,535 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:28:53,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:28:53,535 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:28:53,536 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:28:53,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:28:53,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:28:53,536 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:28:53,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:28:53,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:28:53,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:28:53,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:28:53,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:28:53,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:28:53,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:28:53,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:28:53,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:28:53,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:28:53,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:28:53,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:28:53,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:28:53,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:28:53,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:28:53,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:28:53,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:28:53,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:28:53,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:28:53,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:28:53,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 [2021-11-25 20:28:53,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:28:53,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:28:53,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:28:53,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:28:53,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:28:53,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 20:28:53,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/data/41db4cea5/17c001dfd0ff46ada18600866709b984/FLAG1328dfc65 [2021-11-25 20:28:55,170 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:28:55,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 20:28:55,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/data/41db4cea5/17c001dfd0ff46ada18600866709b984/FLAG1328dfc65 [2021-11-25 20:28:55,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/data/41db4cea5/17c001dfd0ff46ada18600866709b984 [2021-11-25 20:28:55,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:28:55,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:28:55,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:28:55,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:28:55,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:28:55,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:28:55" (1/1) ... [2021-11-25 20:28:55,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e59c6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:28:55, skipping insertion in model container [2021-11-25 20:28:55,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:28:55" (1/1) ... [2021-11-25 20:28:55,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:28:55,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:29:05,654 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_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2021-11-25 20:29:05,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:29:05,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:29:06,676 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_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2021-11-25 20:29:06,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:29:07,320 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:29:07,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07 WrapperNode [2021-11-25 20:29:07,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:29:07,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:29:07,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:29:07,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:29:07,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:07,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:08,727 INFO L137 Inliner]: procedures = 964, calls = 12417, calls flagged for inlining = 584, calls inlined = 563, statements flattened = 22459 [2021-11-25 20:29:08,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:29:08,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:29:08,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:29:08,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:29:08,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:08,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:08,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:08,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:09,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:09,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:09,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:09,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:29:09,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:29:09,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:29:09,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:29:09,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (1/1) ... [2021-11-25 20:29:10,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:29:10,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:10,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:29:10,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:29:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-25 20:29:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-25 20:29:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 20:29:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 20:29:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-25 20:29:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-25 20:29:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 20:29:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 20:29:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-25 20:29:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-25 20:29:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-25 20:29:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-25 20:29:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:29:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:29:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-25 20:29:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-25 20:29:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:29:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:29:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 20:29:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 20:29:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 20:29:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 20:29:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 20:29:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 20:29:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-25 20:29:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-25 20:29:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-25 20:29:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-25 20:29:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:29:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:29:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:29:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:29:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-25 20:29:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-25 20:29:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-25 20:29:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-25 20:29:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:29:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:29:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-25 20:29:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-25 20:29:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-25 20:29:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-25 20:29:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-25 20:29:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-25 20:29:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:29:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:29:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-25 20:29:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-25 20:29:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-25 20:29:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-25 20:29:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:29:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:29:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-25 20:29:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-25 20:29:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-25 20:29:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-25 20:29:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-25 20:29:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-25 20:29:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:29:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:29:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:29:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-25 20:29:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-25 20:29:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-25 20:29:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-25 20:29:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:29:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:29:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-25 20:29:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-25 20:29:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-25 20:29:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-25 20:29:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:29:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:29:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-25 20:29:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-25 20:29:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-25 20:29:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-25 20:29:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-25 20:29:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-25 20:29:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 20:29:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 20:29:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-25 20:29:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-25 20:29:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 20:29:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 20:29:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:29:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 20:29:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 20:29:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:29:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:29:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-25 20:29:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-25 20:29:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 20:29:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 20:29:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-25 20:29:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-25 20:29:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 20:29:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 20:29:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:29:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:29:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-25 20:29:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-25 20:29:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-25 20:29:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-25 20:29:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-25 20:29:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-25 20:29:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:29:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:29:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:29:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:29:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:29:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-25 20:29:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-25 20:29:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:29:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-25 20:29:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-25 20:29:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:29:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 20:29:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 20:29:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:29:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:29:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 20:29:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 20:29:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-25 20:29:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-25 20:29:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:29:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:29:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-25 20:29:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-25 20:29:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:29:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:29:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-25 20:29:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-25 20:29:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 20:29:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 20:29:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:29:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:29:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-25 20:29:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-25 20:29:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-25 20:29:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-25 20:29:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:29:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:29:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-25 20:29:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-25 20:29:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-25 20:29:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-25 20:29:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-25 20:29:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-25 20:29:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-25 20:29:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-25 20:29:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:29:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:29:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-25 20:29:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-25 20:29:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-25 20:29:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-25 20:29:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-25 20:29:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-25 20:29:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-25 20:29:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-25 20:29:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-25 20:29:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-25 20:29:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-25 20:29:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-25 20:29:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:29:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:29:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-25 20:29:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-25 20:29:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 20:29:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 20:29:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-25 20:29:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-25 20:29:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-25 20:29:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-25 20:29:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-25 20:29:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-25 20:29:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-25 20:29:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-25 20:29:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:29:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:29:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:29:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-25 20:29:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-25 20:29:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-25 20:29:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-25 20:29:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:29:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:29:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:29:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-25 20:29:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-25 20:29:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:29:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:29:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-25 20:29:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-25 20:29:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-25 20:29:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-25 20:29:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2021-11-25 20:29:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2021-11-25 20:29:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-25 20:29:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-25 20:29:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 20:29:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 20:29:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-25 20:29:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-25 20:29:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-25 20:29:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-25 20:29:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:29:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:29:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-25 20:29:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-25 20:29:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 20:29:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 20:29:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-25 20:29:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-25 20:29:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-25 20:29:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-25 20:29:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 20:29:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 20:29:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 20:29:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 20:29:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:29:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-25 20:29:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-25 20:29:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-25 20:29:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-25 20:29:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:29:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:29:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:29:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-25 20:29:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-25 20:29:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-25 20:29:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-25 20:29:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-25 20:29:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-25 20:29:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-25 20:29:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-25 20:29:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-25 20:29:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-25 20:29:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-25 20:29:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-25 20:29:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-25 20:29:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-25 20:29:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:29:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:29:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-25 20:29:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-25 20:29:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 20:29:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 20:29:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:29:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:29:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:29:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:29:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-25 20:29:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-25 20:29:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-25 20:29:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-25 20:29:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-25 20:29:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-25 20:29:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-25 20:29:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-25 20:29:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-25 20:29:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-25 20:29:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 20:29:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 20:29:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:29:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:29:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-25 20:29:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-25 20:29:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:29:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:29:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-25 20:29:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-25 20:29:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-25 20:29:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-25 20:29:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:29:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-25 20:29:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-25 20:29:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 20:29:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 20:29:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:29:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:29:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-25 20:29:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-25 20:29:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-25 20:29:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-25 20:29:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-25 20:29:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-25 20:29:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-25 20:29:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-25 20:29:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 20:29:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 20:29:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 20:29:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 20:29:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-25 20:29:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-25 20:29:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-25 20:29:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-25 20:29:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-25 20:29:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-25 20:29:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-25 20:29:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-25 20:29:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 20:29:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 20:29:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-25 20:29:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-25 20:29:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-25 20:29:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-25 20:29:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-25 20:29:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-25 20:29:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-25 20:29:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-25 20:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-25 20:29:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-25 20:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-25 20:29:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-25 20:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-25 20:29:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-25 20:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:29:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:29:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-25 20:29:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-25 20:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-25 20:29:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-25 20:29:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-25 20:29:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-25 20:29:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:29:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:29:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-25 20:29:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-25 20:29:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 20:29:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 20:29:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:29:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:29:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-25 20:29:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-25 20:29:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-25 20:29:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-25 20:29:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-25 20:29:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-25 20:29:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:29:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:29:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-25 20:29:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-25 20:29:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-25 20:29:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-25 20:29:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-25 20:29:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-25 20:29:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:29:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:29:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:29:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:29:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:29:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:29:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-25 20:29:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-25 20:29:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-25 20:29:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-25 20:29:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:29:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-25 20:29:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-25 20:29:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 20:29:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 20:29:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-25 20:29:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-25 20:29:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-25 20:29:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-25 20:29:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:29:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:29:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-25 20:29:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-25 20:29:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-25 20:29:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-25 20:29:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:29:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:29:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-25 20:29:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-25 20:29:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-25 20:29:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-25 20:29:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:29:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 20:29:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 20:29:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-25 20:29:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-25 20:29:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-25 20:29:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-25 20:29:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-25 20:29:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-25 20:29:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-25 20:29:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-25 20:29:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-25 20:29:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-25 20:29:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-25 20:29:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-25 20:29:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:29:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:29:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:29:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-25 20:29:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-25 20:29:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:29:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:29:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-25 20:29:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-25 20:29:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:29:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:29:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:29:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:29:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-25 20:29:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-25 20:29:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:29:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:29:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-25 20:29:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-25 20:29:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-25 20:29:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-25 20:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-25 20:29:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-25 20:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-25 20:29:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-25 20:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-25 20:29:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-25 20:29:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-25 20:29:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-25 20:29:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-25 20:29:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-25 20:29:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-25 20:29:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-25 20:29:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-25 20:29:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-25 20:29:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 20:29:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 20:29:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 20:29:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 20:29:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-25 20:29:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-25 20:29:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-25 20:29:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-25 20:29:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-25 20:29:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-25 20:29:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 20:29:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 20:29:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-25 20:29:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-25 20:29:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-25 20:29:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-25 20:29:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-25 20:29:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-25 20:29:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-25 20:29:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-25 20:29:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-25 20:29:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-25 20:29:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-25 20:29:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-25 20:29:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:29:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:29:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-25 20:29:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-25 20:29:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-25 20:29:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-25 20:29:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:29:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:29:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-25 20:29:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-25 20:29:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-25 20:29:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-25 20:29:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-25 20:29:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-25 20:29:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-25 20:29:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-25 20:29:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-25 20:29:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-25 20:29:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-25 20:29:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-25 20:29:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-25 20:29:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-25 20:29:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-25 20:29:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-25 20:29:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:29:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:29:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-25 20:29:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-25 20:29:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 20:29:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 20:29:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:29:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:29:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-25 20:29:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-25 20:29:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-25 20:29:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-25 20:29:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-25 20:29:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-25 20:29:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-25 20:29:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-25 20:29:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:29:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:29:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:29:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-25 20:29:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-25 20:29:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:29:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:29:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 20:29:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 20:29:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:29:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:29:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-25 20:29:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-25 20:29:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-25 20:29:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-25 20:29:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-25 20:29:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-25 20:29:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-25 20:29:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-25 20:29:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 20:29:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 20:29:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-25 20:29:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-25 20:29:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-25 20:29:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-25 20:29:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-25 20:29:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-25 20:29:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-25 20:29:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-25 20:29:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-25 20:29:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-25 20:29:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:29:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:29:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-25 20:29:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-25 20:29:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:29:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:29:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-11-25 20:29:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-11-25 20:29:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-25 20:29:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-25 20:29:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-25 20:29:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-25 20:29:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:29:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:29:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-25 20:29:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-25 20:29:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:29:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-25 20:29:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-25 20:29:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 20:29:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 20:29:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-25 20:29:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-25 20:29:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 20:29:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 20:29:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:29:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:29:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:29:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:29:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:29:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:29:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-25 20:29:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-25 20:29:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 20:29:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 20:29:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:29:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:29:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 20:29:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 20:29:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-25 20:29:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-25 20:29:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-25 20:29:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-25 20:29:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-25 20:29:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-25 20:29:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-25 20:29:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-25 20:29:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 20:29:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 20:29:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:29:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:29:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-25 20:29:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-25 20:29:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 20:29:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 20:29:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-25 20:29:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-25 20:29:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-25 20:29:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-25 20:29:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 20:29:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 20:29:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-25 20:29:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-25 20:29:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-25 20:29:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-25 20:29:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:29:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:29:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-25 20:29:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-25 20:29:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:29:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:29:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-25 20:29:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-25 20:29:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-25 20:29:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-25 20:29:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 20:29:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 20:29:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-25 20:29:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-25 20:29:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-25 20:29:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-25 20:29:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:29:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:29:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 20:29:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 20:29:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-25 20:29:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-25 20:29:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-25 20:29:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-25 20:29:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 20:29:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 20:29:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-25 20:29:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-25 20:29:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:29:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:29:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:29:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:29:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-25 20:29:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-25 20:29:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:29:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:29:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-25 20:29:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-25 20:29:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-25 20:29:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-25 20:29:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-25 20:29:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-25 20:29:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:29:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:29:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:29:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-25 20:29:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-25 20:29:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-25 20:29:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-25 20:29:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-25 20:29:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-25 20:29:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:29:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:29:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 20:29:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 20:29:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-25 20:29:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-25 20:29:12,249 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:29:12,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:29:12,483 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:29:44,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:29:45,328 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:29:51,696 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:29:51,697 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 20:29:51,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:51 BoogieIcfgContainer [2021-11-25 20:29:51,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:29:51,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:29:51,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:29:51,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:29:51,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:28:55" (1/3) ... [2021-11-25 20:29:51,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1276bcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:51, skipping insertion in model container [2021-11-25 20:29:51,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:07" (2/3) ... [2021-11-25 20:29:51,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1276bcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:51, skipping insertion in model container [2021-11-25 20:29:51,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:51" (3/3) ... [2021-11-25 20:29:51,714 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 20:29:51,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:29:51,719 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:29:51,787 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:29:51,793 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:29:51,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:29:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 5028 states, 3029 states have (on average 1.3212281280950808) internal successors, (4002), 3124 states have internal predecessors, (4002), 1684 states have call successors, (1684), 315 states have call predecessors, (1684), 314 states have return successors, (1670), 1612 states have call predecessors, (1670), 1670 states have call successors, (1670) [2021-11-25 20:29:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2021-11-25 20:29:51,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:51,959 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:29:51,960 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:29:51,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1685210638, now seen corresponding path program 1 times [2021-11-25 20:29:51,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695702958] [2021-11-25 20:29:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:51,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-25 20:29:54,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:54,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695702958] [2021-11-25 20:29:54,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695702958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:54,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:54,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:29:54,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467257530] [2021-11-25 20:29:54,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:54,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:29:54,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:54,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:29:54,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:29:54,537 INFO L87 Difference]: Start difference. First operand has 5028 states, 3029 states have (on average 1.3212281280950808) internal successors, (4002), 3124 states have internal predecessors, (4002), 1684 states have call successors, (1684), 315 states have call predecessors, (1684), 314 states have return successors, (1670), 1612 states have call predecessors, (1670), 1670 states have call successors, (1670) Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-25 20:29:58,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:00,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:05,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:11,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:11,717 INFO L93 Difference]: Finished difference Result 14662 states and 21466 transitions. [2021-11-25 20:30:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:30:11,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 819 [2021-11-25 20:30:11,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:11,856 INFO L225 Difference]: With dead ends: 14662 [2021-11-25 20:30:11,857 INFO L226 Difference]: Without dead ends: 9777 [2021-11-25 20:30:11,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:11,899 INFO L933 BasicCegarLoop]: 7787 mSDtfsCounter, 7004 mSDsluCounter, 7278 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 13969 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:11,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7008 Valid, 13969 Invalid, 2297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2278 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2021-11-25 20:30:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9777 states. [2021-11-25 20:30:12,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9776. [2021-11-25 20:30:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9776 states, 5918 states have (on average 1.3210544102737412) internal successors, (7818), 6108 states have internal predecessors, (7818), 3234 states have call successors, (3234), 625 states have call predecessors, (3234), 623 states have return successors, (3230), 3113 states have call predecessors, (3230), 3230 states have call successors, (3230) [2021-11-25 20:30:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9776 states to 9776 states and 14282 transitions. [2021-11-25 20:30:12,858 INFO L78 Accepts]: Start accepts. Automaton has 9776 states and 14282 transitions. Word has length 819 [2021-11-25 20:30:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:12,867 INFO L470 AbstractCegarLoop]: Abstraction has 9776 states and 14282 transitions. [2021-11-25 20:30:12,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-25 20:30:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 9776 states and 14282 transitions. [2021-11-25 20:30:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2021-11-25 20:30:12,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:12,936 INFO L514 BasicCegarLoop]: trace histogram [83, 80, 80, 80, 80, 80, 80, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:12,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:30:12,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:12,939 INFO L85 PathProgramCache]: Analyzing trace with hash 950323639, now seen corresponding path program 1 times [2021-11-25 20:30:12,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:12,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922588116] [2021-11-25 20:30:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:12,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 25770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2021-11-25 20:30:15,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:15,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922588116] [2021-11-25 20:30:15,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922588116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:15,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:15,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:30:15,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130317086] [2021-11-25 20:30:15,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:15,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:30:15,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:15,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:30:15,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:30:15,336 INFO L87 Difference]: Start difference. First operand 9776 states and 14282 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2021-11-25 20:30:23,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:25,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:37,774 INFO L93 Difference]: Finished difference Result 9782 states and 14287 transitions. [2021-11-25 20:30:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:30:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 858 [2021-11-25 20:30:37,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:37,884 INFO L225 Difference]: With dead ends: 9782 [2021-11-25 20:30:37,884 INFO L226 Difference]: Without dead ends: 9778 [2021-11-25 20:30:37,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:30:37,896 INFO L933 BasicCegarLoop]: 6189 mSDtfsCounter, 7120 mSDsluCounter, 14607 mSDsCounter, 0 mSdLazyCounter, 3356 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7125 SdHoareTripleChecker+Valid, 18564 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:37,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7125 Valid, 18564 Invalid, 3359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3356 Invalid, 2 Unknown, 0 Unchecked, 21.6s Time] [2021-11-25 20:30:37,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9778 states. [2021-11-25 20:30:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9778 to 9778. [2021-11-25 20:30:38,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9778 states, 5920 states have (on average 1.320777027027027) internal successors, (7819), 6109 states have internal predecessors, (7819), 3234 states have call successors, (3234), 626 states have call predecessors, (3234), 623 states have return successors, (3230), 3113 states have call predecessors, (3230), 3230 states have call successors, (3230) [2021-11-25 20:30:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 14283 transitions. [2021-11-25 20:30:38,753 INFO L78 Accepts]: Start accepts. Automaton has 9778 states and 14283 transitions. Word has length 858 [2021-11-25 20:30:38,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:38,757 INFO L470 AbstractCegarLoop]: Abstraction has 9778 states and 14283 transitions. [2021-11-25 20:30:38,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2021-11-25 20:30:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 9778 states and 14283 transitions. [2021-11-25 20:30:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2021-11-25 20:30:38,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:38,802 INFO L514 BasicCegarLoop]: trace histogram [83, 80, 80, 80, 80, 80, 80, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:38,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:30:38,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:38,805 INFO L85 PathProgramCache]: Analyzing trace with hash 766641583, now seen corresponding path program 1 times [2021-11-25 20:30:38,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:38,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586322942] [2021-11-25 20:30:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:38,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 25772 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2021-11-25 20:30:40,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:40,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586322942] [2021-11-25 20:30:40,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586322942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:40,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:40,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:30:40,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315742891] [2021-11-25 20:30:40,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:40,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:30:40,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:40,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:30:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:30:40,762 INFO L87 Difference]: Start difference. First operand 9778 states and 14283 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-25 20:30:44,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:50,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:59,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:05,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:09,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:09,562 INFO L93 Difference]: Finished difference Result 19264 states and 28661 transitions. [2021-11-25 20:31:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:31:09,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 863 [2021-11-25 20:31:09,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:09,744 INFO L225 Difference]: With dead ends: 19264 [2021-11-25 20:31:09,744 INFO L226 Difference]: Without dead ends: 19242 [2021-11-25 20:31:09,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:31:09,766 INFO L933 BasicCegarLoop]: 7948 mSDtfsCounter, 7178 mSDsluCounter, 25322 mSDsCounter, 0 mSdLazyCounter, 4522 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7182 SdHoareTripleChecker+Valid, 29892 SdHoareTripleChecker+Invalid, 4527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:09,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7182 Valid, 29892 Invalid, 4527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 4522 Invalid, 1 Unknown, 0 Unchecked, 27.9s Time] [2021-11-25 20:31:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19242 states. [2021-11-25 20:31:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19242 to 19195. [2021-11-25 20:31:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19195 states, 11649 states have (on average 1.3244055283715341) internal successors, (15428), 12033 states have internal predecessors, (15428), 6319 states have call successors, (6319), 1233 states have call predecessors, (6319), 1226 states have return successors, (6829), 6070 states have call predecessors, (6829), 6315 states have call successors, (6829) [2021-11-25 20:31:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19195 states to 19195 states and 28576 transitions. [2021-11-25 20:31:11,431 INFO L78 Accepts]: Start accepts. Automaton has 19195 states and 28576 transitions. Word has length 863 [2021-11-25 20:31:11,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:11,433 INFO L470 AbstractCegarLoop]: Abstraction has 19195 states and 28576 transitions. [2021-11-25 20:31:11,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-25 20:31:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 19195 states and 28576 transitions. [2021-11-25 20:31:11,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2021-11-25 20:31:11,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:11,601 INFO L514 BasicCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:11,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:31:11,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:11,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:11,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1514856458, now seen corresponding path program 1 times [2021-11-25 20:31:11,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:11,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421165773] [2021-11-25 20:31:11,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:11,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:31:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:31:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 26123 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26115 trivial. 0 not checked. [2021-11-25 20:31:13,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:31:13,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421165773] [2021-11-25 20:31:13,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421165773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:31:13,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:31:13,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:31:13,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729338997] [2021-11-25 20:31:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:31:13,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:31:13,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:31:13,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:31:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:31:13,090 INFO L87 Difference]: Start difference. First operand 19195 states and 28576 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-25 20:31:16,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:18,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:28,960 INFO L93 Difference]: Finished difference Result 47568 states and 70787 transitions. [2021-11-25 20:31:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:31:28,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1013 [2021-11-25 20:31:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:29,184 INFO L225 Difference]: With dead ends: 47568 [2021-11-25 20:31:29,185 INFO L226 Difference]: Without dead ends: 28534 [2021-11-25 20:31:29,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:31:29,333 INFO L933 BasicCegarLoop]: 7748 mSDtfsCounter, 6938 mSDsluCounter, 7260 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6942 SdHoareTripleChecker+Valid, 13908 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:29,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6942 Valid, 13908 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2278 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2021-11-25 20:31:29,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28534 states. [2021-11-25 20:31:31,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28534 to 28508. [2021-11-25 20:31:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28508 states, 17325 states have (on average 1.3238095238095238) internal successors, (22935), 17904 states have internal predecessors, (22935), 9342 states have call successors, (9342), 1850 states have call predecessors, (9342), 1840 states have return successors, (10089), 8967 states have call predecessors, (10089), 9338 states have call successors, (10089) [2021-11-25 20:31:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28508 states to 28508 states and 42366 transitions. [2021-11-25 20:31:31,737 INFO L78 Accepts]: Start accepts. Automaton has 28508 states and 42366 transitions. Word has length 1013 [2021-11-25 20:31:31,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:31,738 INFO L470 AbstractCegarLoop]: Abstraction has 28508 states and 42366 transitions. [2021-11-25 20:31:31,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-25 20:31:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28508 states and 42366 transitions. [2021-11-25 20:31:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2021-11-25 20:31:31,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:31,875 INFO L514 BasicCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:31,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:31:31,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:31,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash -881994163, now seen corresponding path program 1 times [2021-11-25 20:31:31,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:31,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283455580] [2021-11-25 20:31:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:31,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:31:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:31:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 26128 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26120 trivial. 0 not checked. [2021-11-25 20:31:33,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:31:33,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283455580] [2021-11-25 20:31:33,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283455580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:31:33,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:31:33,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:31:33,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948138819] [2021-11-25 20:31:33,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:31:33,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:31:33,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:31:33,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:31:33,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:31:33,783 INFO L87 Difference]: Start difference. First operand 28508 states and 42366 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 20:31:36,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:38,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:40,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:45,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:46,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:31:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:53,587 INFO L93 Difference]: Finished difference Result 84481 states and 125406 transitions. [2021-11-25 20:31:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:31:53,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1016 [2021-11-25 20:31:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:54,214 INFO L225 Difference]: With dead ends: 84481 [2021-11-25 20:31:54,215 INFO L226 Difference]: Without dead ends: 56134 [2021-11-25 20:31:54,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:31:54,339 INFO L933 BasicCegarLoop]: 7861 mSDtfsCounter, 6831 mSDsluCounter, 7220 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6837 SdHoareTripleChecker+Valid, 14000 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:54,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6837 Valid, 14000 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2350 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2021-11-25 20:31:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56134 states. [2021-11-25 20:31:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56134 to 56094. [2021-11-25 20:31:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56094 states, 34049 states have (on average 1.3205380481071398) internal successors, (44963), 35224 states have internal predecessors, (44963), 18374 states have call successors, (18374), 3689 states have call predecessors, (18374), 3670 states have return successors, (19736), 17608 states have call predecessors, (19736), 18370 states have call successors, (19736) [2021-11-25 20:31:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56094 states to 56094 states and 83073 transitions. [2021-11-25 20:31:58,413 INFO L78 Accepts]: Start accepts. Automaton has 56094 states and 83073 transitions. Word has length 1016 [2021-11-25 20:31:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:58,415 INFO L470 AbstractCegarLoop]: Abstraction has 56094 states and 83073 transitions. [2021-11-25 20:31:58,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 20:31:58,415 INFO L276 IsEmpty]: Start isEmpty. Operand 56094 states and 83073 transitions. [2021-11-25 20:31:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2021-11-25 20:31:59,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:59,172 INFO L514 BasicCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:59,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:31:59,173 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:59,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1013993009, now seen corresponding path program 1 times [2021-11-25 20:31:59,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:59,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27967872] [2021-11-25 20:31:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:59,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:32:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:32:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 26128 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26120 trivial. 0 not checked. [2021-11-25 20:32:00,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:32:00,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27967872] [2021-11-25 20:32:00,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27967872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:32:00,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:32:00,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:32:00,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254092049] [2021-11-25 20:32:00,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:32:00,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:32:00,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:32:00,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:32:00,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:32:00,757 INFO L87 Difference]: Start difference. First operand 56094 states and 83073 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 20:32:04,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:06,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:09,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:16,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:32:19,118 INFO L93 Difference]: Finished difference Result 158129 states and 233259 transitions. [2021-11-25 20:32:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:32:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1019 [2021-11-25 20:32:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:32:19,991 INFO L225 Difference]: With dead ends: 158129 [2021-11-25 20:32:19,991 INFO L226 Difference]: Without dead ends: 102196 [2021-11-25 20:32:20,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:32:20,220 INFO L933 BasicCegarLoop]: 7767 mSDtfsCounter, 6938 mSDsluCounter, 7259 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6945 SdHoareTripleChecker+Valid, 13933 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:32:20,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6945 Valid, 13933 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2264 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2021-11-25 20:32:20,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102196 states. [2021-11-25 20:32:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102196 to 102134. [2021-11-25 20:32:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102134 states, 61677 states have (on average 1.313698785608898) internal successors, (81025), 64004 states have internal predecessors, (81025), 33384 states have call successors, (33384), 7111 states have call predecessors, (33384), 7072 states have return successors, (35836), 31838 states have call predecessors, (35836), 33380 states have call successors, (35836) [2021-11-25 20:32:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102134 states to 102134 states and 150245 transitions. [2021-11-25 20:32:26,740 INFO L78 Accepts]: Start accepts. Automaton has 102134 states and 150245 transitions. Word has length 1019 [2021-11-25 20:32:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:32:26,741 INFO L470 AbstractCegarLoop]: Abstraction has 102134 states and 150245 transitions. [2021-11-25 20:32:26,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 20:32:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 102134 states and 150245 transitions. [2021-11-25 20:32:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2021-11-25 20:32:27,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:32:27,147 INFO L514 BasicCegarLoop]: trace histogram [86, 80, 80, 80, 80, 80, 80, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:32:27,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:32:27,148 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:32:27,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:32:27,149 INFO L85 PathProgramCache]: Analyzing trace with hash -575453351, now seen corresponding path program 1 times [2021-11-25 20:32:27,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:32:27,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605146445] [2021-11-25 20:32:27,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:32:27,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:32:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:32:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 26318 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 26291 trivial. 0 not checked. [2021-11-25 20:32:28,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:32:28,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605146445] [2021-11-25 20:32:28,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605146445] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:32:28,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224951604] [2021-11-25 20:32:28,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:32:28,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:32:28,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:32:28,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:32:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333a3ca3-bd4a-4099-9a8a-d7199f0fd531/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:32:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:32:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 21894 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:32:33,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:32:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26318 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 25805 trivial. 0 not checked. [2021-11-25 20:32:35,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:32:35,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224951604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:32:35,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:32:35,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 20:32:35,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680651038] [2021-11-25 20:32:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:32:35,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:32:35,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:32:35,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:32:35,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:32:35,773 INFO L87 Difference]: Start difference. First operand 102134 states and 150245 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-25 20:32:38,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:40,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:44,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:47,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:54,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:32:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:32:58,420 INFO L93 Difference]: Finished difference Result 250500 states and 369885 transitions. [2021-11-25 20:32:58,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:32:58,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1035 [2021-11-25 20:32:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:32:59,991 INFO L225 Difference]: With dead ends: 250500 [2021-11-25 20:32:59,995 INFO L226 Difference]: Without dead ends: 175953 [2021-11-25 20:33:00,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1039 GetRequests, 1036 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:00,262 INFO L933 BasicCegarLoop]: 7752 mSDtfsCounter, 6863 mSDsluCounter, 7229 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 20 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6868 SdHoareTripleChecker+Valid, 13886 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:00,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6868 Valid, 13886 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2272 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2021-11-25 20:33:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175953 states.