./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P --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 b0961bbd19c1104c2ecb3d90c845388c62e9a0ce2d5fe0ab431c794519f49ec6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:22:36,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:22:36,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:22:36,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:22:36,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:22:36,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:22:36,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:22:36,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:22:36,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:22:36,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:22:36,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:22:36,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:22:36,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:22:36,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:22:36,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:22:36,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:22:36,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:22:36,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:22:36,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:22:36,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:22:36,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:22:36,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:22:36,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:22:36,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:22:36,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:22:36,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:22:36,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:22:36,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:22:36,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:22:36,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:22:36,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:22:36,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:22:36,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:22:36,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:22:36,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:22:36,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:22:36,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:22:36,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:22:36,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:22:36,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:22:36,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:22:36,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:22:36,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:22:36,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:22:36,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:22:36,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:22:36,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:22:36,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:22:36,547 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:22:36,547 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:22:36,547 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:22:36,547 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:22:36,548 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:22:36,549 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:22:36,549 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:22:36,549 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:22:36,549 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:22:36,550 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:22:36,550 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:22:36,550 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:22:36,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:22:36,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:22:36,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:22:36,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:22:36,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:22:36,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:22:36,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:22:36,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:22:36,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:22:36,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:22:36,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:22:36,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:22:36,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:22:36,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:22:36,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:22:36,555 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:22:36,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:22:36,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:22:36,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:22:36,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:22:36,556 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_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0961bbd19c1104c2ecb3d90c845388c62e9a0ce2d5fe0ab431c794519f49ec6 [2021-11-21 00:22:36,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:22:36,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:22:36,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:22:36,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:22:36,900 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:22:36,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:22:36,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/data/5454ab77b/1fb4ca468ff3440ea645d41ac05478ce/FLAG60612d042 [2021-11-21 00:22:38,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:22:38,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:22:38,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/data/5454ab77b/1fb4ca468ff3440ea645d41ac05478ce/FLAG60612d042 [2021-11-21 00:22:38,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/data/5454ab77b/1fb4ca468ff3440ea645d41ac05478ce [2021-11-21 00:22:38,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:22:38,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:22:38,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:22:38,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:22:38,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:22:38,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:22:38" (1/1) ... [2021-11-21 00:22:38,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c6db97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:38, skipping insertion in model container [2021-11-21 00:22:38,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:22:38" (1/1) ... [2021-11-21 00:22:38,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:22:38,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:22:46,388 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_030cce58-2cdf-4c88-9fb2-61ed733b99ef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i[657684,657697] [2021-11-21 00:22:46,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:22:46,571 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:22:47,370 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_030cce58-2cdf-4c88-9fb2-61ed733b99ef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i[657684,657697] [2021-11-21 00:22:47,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:22:47,891 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:22:47,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47 WrapperNode [2021-11-21 00:22:47,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:22:47,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:22:47,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:22:47,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:22:47,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:48,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:48,820 INFO L137 Inliner]: procedures = 710, calls = 8430, calls flagged for inlining = 393, calls inlined = 354, statements flattened = 16697 [2021-11-21 00:22:48,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:22:48,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:22:48,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:22:48,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:22:48,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:48,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:22:49,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:22:49,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:22:49,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:22:49,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (1/1) ... [2021-11-21 00:22:49,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:22:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:49,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:22:49,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030cce58-2cdf-4c88-9fb2-61ed733b99ef/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:22:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 00:22:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 00:22:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-21 00:22:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-21 00:22:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-21 00:22:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-21 00:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-21 00:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-21 00:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 00:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 00:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 00:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 00:22:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-21 00:22:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-21 00:22:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:22:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:22:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:22:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:22:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 00:22:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 00:22:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-21 00:22:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-21 00:22:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-21 00:22:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-21 00:22:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 00:22:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 00:22:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-21 00:22:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-21 00:22:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-21 00:22:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-21 00:22:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:22:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:22:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-21 00:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-21 00:22:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-21 00:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-21 00:22:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-21 00:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-21 00:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-21 00:22:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-21 00:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-21 00:22:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-21 00:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-21 00:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-21 00:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-21 00:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-21 00:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-21 00:22:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-21 00:22:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:22:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 00:22:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 00:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-21 00:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-21 00:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-21 00:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-21 00:22:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-21 00:22:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-21 00:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 00:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 00:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-21 00:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-21 00:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-21 00:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-21 00:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-21 00:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-21 00:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-21 00:22:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-21 00:22:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-21 00:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-21 00:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:22:49,997 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 00:22:49,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 00:22:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 00:22:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 00:22:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:22:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:22:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-21 00:22:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-21 00:22:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:22:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-21 00:22:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-21 00:22:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-21 00:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-21 00:22:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 00:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 00:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-21 00:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-21 00:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-21 00:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-21 00:22:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-21 00:22:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-21 00:22:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:22:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:22:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:22:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:22:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 00:22:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 00:22:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 00:22:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 00:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-21 00:22:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-21 00:22:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-21 00:22:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-21 00:22:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-21 00:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-21 00:22:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-21 00:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-21 00:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:22:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-21 00:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-21 00:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-21 00:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-21 00:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-21 00:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-21 00:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-21 00:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-21 00:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-21 00:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-21 00:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-21 00:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-21 00:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-21 00:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-21 00:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-21 00:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-21 00:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-21 00:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-21 00:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-21 00:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-21 00:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-21 00:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-21 00:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-21 00:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-21 00:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 00:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 00:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-21 00:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-21 00:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-21 00:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-21 00:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-21 00:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-21 00:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 00:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 00:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-21 00:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-21 00:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-21 00:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-21 00:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-21 00:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-21 00:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-21 00:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-21 00:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-21 00:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-21 00:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-21 00:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-21 00:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-21 00:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-21 00:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-21 00:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-21 00:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-21 00:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-21 00:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-21 00:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-21 00:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 00:22:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 00:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 00:22:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 00:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-21 00:22:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-21 00:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-21 00:22:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-21 00:22:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:22:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:22:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:22:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:22:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-21 00:22:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-21 00:22:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:22:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:22:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:22:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:22:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:22:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:22:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-21 00:22:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-21 00:22:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:22:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-21 00:22:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-21 00:22:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:22:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:22:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-21 00:22:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-21 00:22:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 00:22:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 00:22:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:22:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:22:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-21 00:22:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-21 00:22:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-21 00:22:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-21 00:22:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:22:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:22:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:22:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:22:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-21 00:22:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-21 00:22:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-21 00:22:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-21 00:22:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-21 00:22:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-21 00:22:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-21 00:22:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-21 00:22:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 00:22:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 00:22:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:22:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:22:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 00:22:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 00:22:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:22:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:22:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-21 00:22:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-21 00:22:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 00:22:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 00:22:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-21 00:22:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-21 00:22:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-21 00:22:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-21 00:22:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:22:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:22:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:22:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:22:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-21 00:22:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-21 00:22:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-21 00:22:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-21 00:22:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-21 00:22:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-21 00:22:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-21 00:22:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-21 00:22:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 00:22:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 00:22:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-21 00:22:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-21 00:22:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:22:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:22:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 00:22:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 00:22:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-21 00:22:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-21 00:22:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-21 00:22:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-21 00:22:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 00:22:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 00:22:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:22:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:22:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:22:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:22:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-21 00:22:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-21 00:22:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:22:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:22:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-21 00:22:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-21 00:22:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-21 00:22:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-21 00:22:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:22:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:22:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 00:22:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 00:22:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 00:22:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 00:22:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 00:22:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:22:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:22:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 00:22:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 00:22:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-21 00:22:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-21 00:22:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-21 00:22:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-21 00:22:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 00:22:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 00:22:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 00:22:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 00:22:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:22:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:22:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-21 00:22:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-21 00:22:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 00:22:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 00:22:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-21 00:22:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-21 00:22:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-21 00:22:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-21 00:22:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-21 00:22:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-21 00:22:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-21 00:22:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-21 00:22:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 00:22:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 00:22:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-21 00:22:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-21 00:22:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-21 00:22:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-21 00:22:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-21 00:22:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-21 00:22:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:22:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:22:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 00:22:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 00:22:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:22:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-21 00:22:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-21 00:22:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-21 00:22:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-21 00:22:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-21 00:22:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-21 00:22:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-21 00:22:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-21 00:22:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-21 00:22:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-21 00:22:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:22:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:22:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-21 00:22:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-21 00:22:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:22:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-21 00:22:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-21 00:22:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-21 00:22:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-21 00:22:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-21 00:22:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-21 00:22:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-21 00:22:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-21 00:22:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-21 00:22:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-21 00:22:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-21 00:22:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-21 00:22:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-21 00:22:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-21 00:22:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:22:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-21 00:22:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-21 00:22:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-21 00:22:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-21 00:22:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:22:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:22:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 00:22:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 00:22:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-21 00:22:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-21 00:22:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-21 00:22:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-21 00:22:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:22:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:22:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-21 00:22:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-21 00:22:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 00:22:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 00:22:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 00:22:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 00:22:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-21 00:22:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-21 00:22:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 00:22:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 00:22:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-21 00:22:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-21 00:22:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:22:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:22:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-21 00:22:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-21 00:22:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 00:22:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 00:22:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-21 00:22:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-21 00:22:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:22:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:22:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-21 00:22:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-21 00:22:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-21 00:22:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-21 00:22:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-21 00:22:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-21 00:22:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-21 00:22:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-21 00:22:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-21 00:22:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-21 00:22:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 00:22:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 00:22:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 00:22:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 00:22:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:22:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:22:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:22:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:22:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-21 00:22:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-21 00:22:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-21 00:22:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-21 00:22:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:22:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:22:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-21 00:22:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-21 00:22:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-21 00:22:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-21 00:22:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-21 00:22:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-21 00:22:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:22:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:22:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-21 00:22:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-21 00:22:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:22:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-21 00:22:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-21 00:22:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:22:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:22:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-21 00:22:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-21 00:22:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-21 00:22:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-21 00:22:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-21 00:22:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-21 00:22:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:22:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:22:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-21 00:22:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-21 00:22:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-21 00:22:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-21 00:22:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 00:22:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 00:22:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-21 00:22:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-21 00:22:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 00:22:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 00:22:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-21 00:22:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-21 00:22:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 00:22:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 00:22:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-21 00:22:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-21 00:22:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-21 00:22:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-21 00:22:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-21 00:22:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-21 00:22:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-21 00:22:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-21 00:22:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-21 00:22:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-21 00:22:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:22:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:22:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:22:50,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:22:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-21 00:22:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-21 00:22:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-21 00:22:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-21 00:22:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-21 00:22:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-21 00:22:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:22:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:22:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 00:22:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 00:22:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:22:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:22:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 00:22:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 00:22:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:22:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:22:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:22:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-21 00:22:50,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-21 00:22:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-21 00:22:50,082 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-21 00:22:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-21 00:22:50,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-21 00:22:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 00:22:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 00:22:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-21 00:22:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-21 00:22:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-21 00:22:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-21 00:22:51,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:22:51,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:22:52,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:25:21,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 00:25:21,495 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:25:31,280 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:25:31,280 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-21 00:25:31,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:25:31 BoogieIcfgContainer [2021-11-21 00:25:31,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:25:31,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:25:31,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:25:31,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:25:31,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:22:38" (1/3) ... [2021-11-21 00:25:31,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b288a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:25:31, skipping insertion in model container [2021-11-21 00:25:31,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:47" (2/3) ... [2021-11-21 00:25:31,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b288a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:25:31, skipping insertion in model container [2021-11-21 00:25:31,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:25:31" (3/3) ... [2021-11-21 00:25:31,305 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:25:31,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:25:31,315 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:25:31,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:25:31,386 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 [2021-11-21 00:25:31,386 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:25:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 4662 states, 2842 states have (on average 1.3043631245601688) internal successors, (3707), 2914 states have internal predecessors, (3707), 1573 states have call successors, (1573), 247 states have call predecessors, (1573), 246 states have return successors, (1564), 1554 states have call predecessors, (1564), 1564 states have call successors, (1564) [2021-11-21 00:25:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-21 00:25:31,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:25:31,515 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:25:31,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:25:31,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:25:31,521 INFO L85 PathProgramCache]: Analyzing trace with hash 698459885, now seen corresponding path program 1 times [2021-11-21 00:25:31,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:25:31,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095846069] [2021-11-21 00:25:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:25:31,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:25:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:25:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-21 00:25:32,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:25:32,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095846069] [2021-11-21 00:25:32,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095846069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:25:32,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:25:32,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:25:32,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161951205] [2021-11-21 00:25:32,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:25:32,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:25:32,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:25:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:25:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:25:32,765 INFO L87 Difference]: Start difference. First operand has 4662 states, 2842 states have (on average 1.3043631245601688) internal successors, (3707), 2914 states have internal predecessors, (3707), 1573 states have call successors, (1573), 247 states have call predecessors, (1573), 246 states have return successors, (1564), 1554 states have call predecessors, (1564), 1564 states have call successors, (1564) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-21 00:25:36,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:25:38,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:25:48,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:25:54,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:25:56,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:25:59,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:02,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:05,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:07,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:07,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:26:07,780 INFO L93 Difference]: Finished difference Result 13616 states and 20129 transitions. [2021-11-21 00:26:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:26:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 290 [2021-11-21 00:26:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:26:07,930 INFO L225 Difference]: With dead ends: 13616 [2021-11-21 00:26:07,930 INFO L226 Difference]: Without dead ends: 8996 [2021-11-21 00:26:07,985 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 [2021-11-21 00:26:07,989 INFO L933 BasicCegarLoop]: 7892 mSDtfsCounter, 6399 mSDsluCounter, 6783 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6408 SdHoareTripleChecker+Valid, 13933 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:26:07,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6408 Valid, 13933 Invalid, 1587 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7 Valid, 1572 Invalid, 8 Unknown, 0 Unchecked, 34.0s Time] [2021-11-21 00:26:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8996 states. [2021-11-21 00:26:08,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8996 to 8993. [2021-11-21 00:26:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8993 states, 5497 states have (on average 1.3036201564489722) internal successors, (7166), 5641 states have internal predecessors, (7166), 3012 states have call successors, (3012), 485 states have call predecessors, (3012), 483 states have return successors, (3016), 2986 states have call predecessors, (3016), 3009 states have call successors, (3016) [2021-11-21 00:26:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8993 states to 8993 states and 13194 transitions. [2021-11-21 00:26:08,843 INFO L78 Accepts]: Start accepts. Automaton has 8993 states and 13194 transitions. Word has length 290 [2021-11-21 00:26:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:26:08,846 INFO L470 AbstractCegarLoop]: Abstraction has 8993 states and 13194 transitions. [2021-11-21 00:26:08,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-21 00:26:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 8993 states and 13194 transitions. [2021-11-21 00:26:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-21 00:26:08,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:26:08,875 INFO L514 BasicCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 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] [2021-11-21 00:26:08,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:26:08,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:26:08,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:26:08,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1086077105, now seen corresponding path program 1 times [2021-11-21 00:26:08,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:26:08,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386537540] [2021-11-21 00:26:08,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:26:08,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:26:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:26:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2921 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2021-11-21 00:26:09,465 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:26:09,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386537540] [2021-11-21 00:26:09,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386537540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:26:09,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:26:09,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:26:09,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408473610] [2021-11-21 00:26:09,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:26:09,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:26:09,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:26:09,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:26:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:26:09,470 INFO L87 Difference]: Start difference. First operand 8993 states and 13194 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-21 00:26:12,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:14,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:16,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:18,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:21,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:23,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:25,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:29,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:36,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:39,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:41,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:43,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:46,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:48,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:51,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:26:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:26:52,419 INFO L93 Difference]: Finished difference Result 25530 states and 37430 transitions. [2021-11-21 00:26:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:26:52,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 325 [2021-11-21 00:26:52,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:26:53,199 INFO L225 Difference]: With dead ends: 25530 [2021-11-21 00:26:53,199 INFO L226 Difference]: Without dead ends: 16592 [2021-11-21 00:26:53,287 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 [2021-11-21 00:26:53,291 INFO L933 BasicCegarLoop]: 8466 mSDtfsCounter, 5552 mSDsluCounter, 6698 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5557 SdHoareTripleChecker+Valid, 14468 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:26:53,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5557 Valid, 14468 Invalid, 1720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1705 Invalid, 8 Unknown, 0 Unchecked, 42.2s Time] [2021-11-21 00:26:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16592 states. [2021-11-21 00:26:54,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16592 to 16580. [2021-11-21 00:26:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16580 states, 10106 states have (on average 1.2975460122699387) internal successors, (13113), 10391 states have internal predecessors, (13113), 5533 states have call successors, (5533), 946 states have call predecessors, (5533), 940 states have return successors, (5651), 5474 states have call predecessors, (5651), 5530 states have call successors, (5651) [2021-11-21 00:26:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16580 states to 16580 states and 24297 transitions. [2021-11-21 00:26:54,698 INFO L78 Accepts]: Start accepts. Automaton has 16580 states and 24297 transitions. Word has length 325 [2021-11-21 00:26:54,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:26:54,701 INFO L470 AbstractCegarLoop]: Abstraction has 16580 states and 24297 transitions. [2021-11-21 00:26:54,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-21 00:26:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 16580 states and 24297 transitions. [2021-11-21 00:26:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-21 00:26:54,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:26:54,725 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 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] [2021-11-21 00:26:54,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:26:54,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:26:54,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:26:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash -152704536, now seen corresponding path program 1 times [2021-11-21 00:26:54,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:26:54,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526955472] [2021-11-21 00:26:54,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:26:54,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:26:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:26:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-21 00:26:55,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:26:55,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526955472] [2021-11-21 00:26:55,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526955472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:26:55,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:26:55,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:26:55,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627032916] [2021-11-21 00:26:55,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:26:55,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:26:55,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:26:55,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:26:55,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:26:55,521 INFO L87 Difference]: Start difference. First operand 16580 states and 24297 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-21 00:26:58,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:05,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:11,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:19,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:22,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:23,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:25,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:27,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:30,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:32,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:36,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:39,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:41,225 INFO L93 Difference]: Finished difference Result 24803 states and 36336 transitions. [2021-11-21 00:27:41,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:27:41,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 332 [2021-11-21 00:27:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:41,419 INFO L225 Difference]: With dead ends: 24803 [2021-11-21 00:27:41,419 INFO L226 Difference]: Without dead ends: 24778 [2021-11-21 00:27:41,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:27:41,446 INFO L933 BasicCegarLoop]: 7871 mSDtfsCounter, 6433 mSDsluCounter, 15408 mSDsCounter, 0 mSdLazyCounter, 2388 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6440 SdHoareTripleChecker+Valid, 21712 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2388 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:41,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6440 Valid, 21712 Invalid, 2395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2388 Invalid, 7 Unknown, 0 Unchecked, 44.8s Time] [2021-11-21 00:27:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24778 states. [2021-11-21 00:27:42,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24778 to 24775. [2021-11-21 00:27:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24775 states, 15105 states have (on average 1.297649784839457) internal successors, (19601), 15530 states have internal predecessors, (19601), 8257 states have call successors, (8257), 1421 states have call predecessors, (8257), 1412 states have return successors, (8435), 8170 states have call predecessors, (8435), 8254 states have call successors, (8435) [2021-11-21 00:27:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24775 states to 24775 states and 36293 transitions. [2021-11-21 00:27:43,054 INFO L78 Accepts]: Start accepts. Automaton has 24775 states and 36293 transitions. Word has length 332 [2021-11-21 00:27:43,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:43,056 INFO L470 AbstractCegarLoop]: Abstraction has 24775 states and 36293 transitions. [2021-11-21 00:27:43,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-21 00:27:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 24775 states and 36293 transitions. [2021-11-21 00:27:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-21 00:27:43,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:43,169 INFO L514 BasicCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:27:43,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:27:43,169 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:27:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:43,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1596738672, now seen corresponding path program 1 times [2021-11-21 00:27:43,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:43,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207940911] [2021-11-21 00:27:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:43,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3011 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-11-21 00:27:43,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:43,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207940911] [2021-11-21 00:27:43,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207940911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:43,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:43,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:27:43,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566962763] [2021-11-21 00:27:43,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:43,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:27:43,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:43,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:27:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:43,778 INFO L87 Difference]: Start difference. First operand 24775 states and 36293 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 00:27:46,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:55,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:27:58,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:01,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:06,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:08,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:11,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:13,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:17,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:19,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:20,158 INFO L93 Difference]: Finished difference Result 65150 states and 95358 transitions. [2021-11-21 00:28:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:28:20,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 467 [2021-11-21 00:28:20,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:20,466 INFO L225 Difference]: With dead ends: 65150 [2021-11-21 00:28:20,466 INFO L226 Difference]: Without dead ends: 40430 [2021-11-21 00:28:20,753 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 [2021-11-21 00:28:20,756 INFO L933 BasicCegarLoop]: 7903 mSDtfsCounter, 6200 mSDsluCounter, 6742 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 18 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6208 SdHoareTripleChecker+Valid, 13911 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:20,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6208 Valid, 13911 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1605 Invalid, 9 Unknown, 0 Unchecked, 34.8s Time] [2021-11-21 00:28:20,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40430 states. [2021-11-21 00:28:22,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40430 to 40416. [2021-11-21 00:28:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40416 states, 24690 states have (on average 1.2951802349129202) internal successors, (31978), 25402 states have internal predecessors, (31978), 13387 states have call successors, (13387), 2355 states have call predecessors, (13387), 2338 states have return successors, (13673), 13235 states have call predecessors, (13673), 13384 states have call successors, (13673) [2021-11-21 00:28:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40416 states to 40416 states and 59038 transitions. [2021-11-21 00:28:23,318 INFO L78 Accepts]: Start accepts. Automaton has 40416 states and 59038 transitions. Word has length 467 [2021-11-21 00:28:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:23,320 INFO L470 AbstractCegarLoop]: Abstraction has 40416 states and 59038 transitions. [2021-11-21 00:28:23,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 00:28:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 40416 states and 59038 transitions. [2021-11-21 00:28:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-11-21 00:28:23,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:23,459 INFO L514 BasicCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:28:23,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:28:23,459 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:23,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1108005481, now seen corresponding path program 1 times [2021-11-21 00:28:23,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:23,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582642865] [2021-11-21 00:28:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:23,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3011 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-11-21 00:28:24,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:24,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582642865] [2021-11-21 00:28:24,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582642865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:24,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:24,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:24,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147119456] [2021-11-21 00:28:24,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:24,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:28:24,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:24,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:28:24,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:28:24,316 INFO L87 Difference]: Start difference. First operand 40416 states and 59038 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-21 00:28:28,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:40,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:44,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:49,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:52,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:54,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:56,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:58,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:01,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:04,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:07,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:09,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:11,582 INFO L93 Difference]: Finished difference Result 118414 states and 172740 transitions. [2021-11-21 00:29:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:29:11,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 463 [2021-11-21 00:29:11,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:12,219 INFO L225 Difference]: With dead ends: 118414 [2021-11-21 00:29:12,219 INFO L226 Difference]: Without dead ends: 78053 [2021-11-21 00:29:12,562 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 [2021-11-21 00:29:12,563 INFO L933 BasicCegarLoop]: 10378 mSDtfsCounter, 6141 mSDsluCounter, 6717 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 29 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6148 SdHoareTripleChecker+Valid, 16371 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:12,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6148 Valid, 16371 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2088 Invalid, 8 Unknown, 0 Unchecked, 44.8s Time] [2021-11-21 00:29:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78053 states. [2021-11-21 00:29:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78053 to 78023. [2021-11-21 00:29:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78023 states, 47662 states have (on average 1.290692795098821) internal successors, (61517), 49030 states have internal predecessors, (61517), 25758 states have call successors, (25758), 4633 states have call predecessors, (25758), 4602 states have return successors, (26200), 25484 states have call predecessors, (26200), 25755 states have call successors, (26200) [2021-11-21 00:29:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78023 states to 78023 states and 113475 transitions. [2021-11-21 00:29:17,324 INFO L78 Accepts]: Start accepts. Automaton has 78023 states and 113475 transitions. Word has length 463 [2021-11-21 00:29:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:17,326 INFO L470 AbstractCegarLoop]: Abstraction has 78023 states and 113475 transitions. [2021-11-21 00:29:17,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-21 00:29:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 78023 states and 113475 transitions. [2021-11-21 00:29:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-21 00:29:17,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:17,471 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-21 00:29:17,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:29:17,472 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:17,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1622222100, now seen corresponding path program 1 times [2021-11-21 00:29:17,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:17,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840552300] [2021-11-21 00:29:17,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:17,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3089 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3074 trivial. 0 not checked. [2021-11-21 00:29:18,171 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:18,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840552300] [2021-11-21 00:29:18,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840552300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:18,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:18,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:29:18,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303217519] [2021-11-21 00:29:18,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:18,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:29:18,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:29:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:29:18,177 INFO L87 Difference]: Start difference. First operand 78023 states and 113475 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-21 00:29:24,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:26,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:28,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:30,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:36,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:41,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:46,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:52,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:55,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:58,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:00,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:04,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:06,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:08,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:30:08,189 INFO L93 Difference]: Finished difference Result 197743 states and 287616 transitions. [2021-11-21 00:30:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:30:08,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 483 [2021-11-21 00:30:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:30:09,416 INFO L225 Difference]: With dead ends: 197743 [2021-11-21 00:30:09,416 INFO L226 Difference]: Without dead ends: 119775 [2021-11-21 00:30:09,957 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 [2021-11-21 00:30:09,958 INFO L933 BasicCegarLoop]: 9519 mSDtfsCounter, 6340 mSDsluCounter, 6767 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 13 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6349 SdHoareTripleChecker+Valid, 15546 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:30:09,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6349 Valid, 15546 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1893 Invalid, 11 Unknown, 0 Unchecked, 45.5s Time] [2021-11-21 00:30:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119775 states. [2021-11-21 00:30:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119775 to 119733. [2021-11-21 00:30:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119733 states, 73235 states have (on average 1.290093534512187) internal successors, (94480), 75361 states have internal predecessors, (94480), 39426 states have call successors, (39426), 7121 states have call predecessors, (39426), 7071 states have return successors, (40106), 38969 states have call predecessors, (40106), 39423 states have call successors, (40106) [2021-11-21 00:30:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119733 states to 119733 states and 174012 transitions. [2021-11-21 00:30:16,933 INFO L78 Accepts]: Start accepts. Automaton has 119733 states and 174012 transitions. Word has length 483 [2021-11-21 00:30:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:30:16,933 INFO L470 AbstractCegarLoop]: Abstraction has 119733 states and 174012 transitions. [2021-11-21 00:30:16,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-21 00:30:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 119733 states and 174012 transitions. [2021-11-21 00:30:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-11-21 00:30:17,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:30:17,146 INFO L514 BasicCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:30:17,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:30:17,146 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:30:17,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:30:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash 886886386, now seen corresponding path program 1 times [2021-11-21 00:30:17,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:30:17,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748246513] [2021-11-21 00:30:17,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:30:17,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:30:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:30:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2021-11-21 00:30:17,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:30:17,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748246513] [2021-11-21 00:30:17,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748246513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:30:17,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:30:17,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:30:17,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316866676] [2021-11-21 00:30:17,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:30:17,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:30:17,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:30:17,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:30:17,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:30:17,829 INFO L87 Difference]: Start difference. First operand 119733 states and 174012 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2021-11-21 00:30:21,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:24,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:32,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:35,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:45,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:47,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:51,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:53,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:30:56,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:00,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:02,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:05,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:05,263 INFO L93 Difference]: Finished difference Result 294063 states and 427523 transitions. [2021-11-21 00:31:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:31:05,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 514 [2021-11-21 00:31:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:06,891 INFO L225 Difference]: With dead ends: 294063 [2021-11-21 00:31:06,891 INFO L226 Difference]: Without dead ends: 175048 [2021-11-21 00:31:07,452 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 [2021-11-21 00:31:07,453 INFO L933 BasicCegarLoop]: 8077 mSDtfsCounter, 6211 mSDsluCounter, 6741 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6217 SdHoareTripleChecker+Valid, 14083 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:07,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6217 Valid, 14083 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1645 Invalid, 9 Unknown, 0 Unchecked, 40.7s Time] [2021-11-21 00:31:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175048 states. [2021-11-21 00:31:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175048 to 175003. [2021-11-21 00:31:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175003 states, 107158 states have (on average 1.2899270236473246) internal successors, (138226), 110287 states have internal predecessors, (138226), 57510 states have call successors, (57510), 10409 states have call predecessors, (57510), 10334 states have return successors, (58478), 56826 states have call predecessors, (58478), 57507 states have call successors, (58478) [2021-11-21 00:31:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175003 states to 175003 states and 254214 transitions. [2021-11-21 00:31:17,759 INFO L78 Accepts]: Start accepts. Automaton has 175003 states and 254214 transitions. Word has length 514 [2021-11-21 00:31:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:17,760 INFO L470 AbstractCegarLoop]: Abstraction has 175003 states and 254214 transitions. [2021-11-21 00:31:17,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2021-11-21 00:31:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 175003 states and 254214 transitions. [2021-11-21 00:31:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-11-21 00:31:18,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:18,627 INFO L514 BasicCegarLoop]: trace histogram [35, 27, 27, 27, 27, 27, 27, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:31:18,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:31:18,628 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:31:18,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:18,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1685537429, now seen corresponding path program 1 times [2021-11-21 00:31:18,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:18,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221684989] [2021-11-21 00:31:18,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:18,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2021-11-21 00:31:19,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:19,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221684989] [2021-11-21 00:31:19,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221684989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:19,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:19,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:31:19,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015103443] [2021-11-21 00:31:19,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:19,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:31:19,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:19,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:31:19,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:19,207 INFO L87 Difference]: Start difference. First operand 175003 states and 254214 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2021-11-21 00:31:23,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:34,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:36,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:40,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:45,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []