./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:02:33,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:02:33,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:02:33,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:02:33,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:02:33,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:02:33,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:02:33,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:02:33,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:02:33,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:02:33,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:02:33,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:02:33,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:02:33,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:02:33,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:02:33,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:02:33,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:02:33,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:02:33,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:02:33,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:02:33,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:02:33,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:02:33,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:02:33,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:02:33,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:02:33,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:02:33,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:02:33,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:02:33,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:02:33,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:02:33,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:02:33,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:02:33,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:02:33,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:02:33,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:02:33,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:02:33,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:02:33,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:02:33,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:02:33,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:02:33,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:02:33,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:02:33,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:02:33,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:02:33,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:02:33,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:02:33,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:02:33,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:02:33,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:02:33,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:02:33,525 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:02:33,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:02:33,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:02:33,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:02:33,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:02:33,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:02:33,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:02:33,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:02:33,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:02:33,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:02:33,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:02:33,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:02:33,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:02:33,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:02:33,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:02:33,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:02:33,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:02:33,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:02:33,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:02:33,532 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:02:33,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:02:33,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:02:33,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:02:33,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd [2021-11-13 18:02:33,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:02:33,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:02:33,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:02:33,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:02:33,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:02:33,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-13 18:02:34,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/data/b60575707/07ee4d8402784b4d92608844a34746fc/FLAGc7e6c0354 [2021-11-13 18:02:35,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:02:35,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-13 18:02:35,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/data/b60575707/07ee4d8402784b4d92608844a34746fc/FLAGc7e6c0354 [2021-11-13 18:02:35,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/data/b60575707/07ee4d8402784b4d92608844a34746fc [2021-11-13 18:02:35,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:02:35,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:02:35,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:02:35,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:02:35,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:02:35,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:02:35" (1/1) ... [2021-11-13 18:02:35,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e1541c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:35, skipping insertion in model container [2021-11-13 18:02:35,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:02:35" (1/1) ... [2021-11-13 18:02:35,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:02:36,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:02:43,909 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2021-11-13 18:02:43,912 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2021-11-13 18:02:43,912 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2021-11-13 18:02:43,913 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2021-11-13 18:02:43,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:02:44,104 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:02:44,998 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2021-11-13 18:02:44,999 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2021-11-13 18:02:45,000 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2021-11-13 18:02:45,000 WARN L228 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_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2021-11-13 18:02:45,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:02:45,483 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:02:45,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45 WrapperNode [2021-11-13 18:02:45,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:02:45,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:02:45,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:02:45,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:02:45,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:45,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:46,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:02:46,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:02:46,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:02:46,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:02:46,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:46,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:46,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:46,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:47,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:47,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:47,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:47,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:02:47,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:02:47,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:02:47,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:02:47,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (1/1) ... [2021-11-13 18:02:47,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:02:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:02:47,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:02:47,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2089ffd-8036-4ed4-b8d5-6c3fb58d6170/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:02:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:02:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:02:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-13 18:02:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-13 18:02:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-13 18:02:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-13 18:02:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-13 18:02:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-13 18:02:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-13 18:02:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-13 18:02:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-13 18:02:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-13 18:02:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-13 18:02:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-13 18:02:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 18:02:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 18:02:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:02:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:02:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 18:02:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 18:02:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-13 18:02:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-13 18:02:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-13 18:02:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-13 18:02:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-13 18:02:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-13 18:02:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-13 18:02:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-13 18:02:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-13 18:02:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-13 18:02:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:02:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:02:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-13 18:02:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-13 18:02:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-13 18:02:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-13 18:02:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-13 18:02:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-13 18:02:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-13 18:02:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-13 18:02:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-13 18:02:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-13 18:02:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-13 18:02:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-13 18:02:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-13 18:02:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-13 18:02:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-13 18:02:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-13 18:02:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:02:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:02:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 18:02:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 18:02:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:02:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:02:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-13 18:02:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-13 18:02:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-13 18:02:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-13 18:02:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-13 18:02:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-13 18:02:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-13 18:02:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-13 18:02:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-13 18:02:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-13 18:02:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:02:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:02:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-13 18:02:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-13 18:02:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-13 18:02:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-13 18:02:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-13 18:02:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-13 18:02:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-13 18:02:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-13 18:02:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 18:02:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:02:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:02:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:02:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:02:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:02:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:02:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 18:02:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 18:02:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:02:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:02:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:02:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:02:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 18:02:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 18:02:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:02:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-13 18:02:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-13 18:02:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-13 18:02:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-13 18:02:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 18:02:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 18:02:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 18:02:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 18:02:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-13 18:02:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-13 18:02:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 18:02:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 18:02:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-13 18:02:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-13 18:02:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:02:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:02:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:02:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:02:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:02:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:02:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 18:02:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 18:02:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:02:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 18:02:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 18:02:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-13 18:02:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-13 18:02:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-13 18:02:47,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-13 18:02:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-13 18:02:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-13 18:02:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:02:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:02:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-13 18:02:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-13 18:02:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:02:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-13 18:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-13 18:02:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:02:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:02:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-13 18:02:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-13 18:02:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-13 18:02:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-13 18:02:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-13 18:02:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-13 18:02:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-13 18:02:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-13 18:02:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:02:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:02:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:02:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-13 18:02:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-13 18:02:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:02:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-13 18:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-13 18:02:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 18:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 18:02:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-13 18:02:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-13 18:02:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-13 18:02:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-13 18:02:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-13 18:02:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-13 18:02:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 18:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 18:02:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:02:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:02:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-13 18:02:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-13 18:02:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-13 18:02:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-13 18:02:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-13 18:02:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-13 18:02:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-13 18:02:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-13 18:02:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-13 18:02:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-13 18:02:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-13 18:02:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-13 18:02:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-13 18:02:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-13 18:02:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-13 18:02:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-13 18:02:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-13 18:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-13 18:02:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:02:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-13 18:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-13 18:02:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-13 18:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-13 18:02:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-13 18:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-13 18:02:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-13 18:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-13 18:02:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-13 18:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-13 18:02:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:02:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 18:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 18:02:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 18:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 18:02:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 18:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 18:02:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 18:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 18:02:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 18:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 18:02:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 18:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 18:02:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-13 18:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-13 18:02:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:02:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:02:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:02:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-13 18:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-13 18:02:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:02:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-13 18:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-13 18:02:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:02:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-13 18:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-13 18:02:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-13 18:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-13 18:02:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:02:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-13 18:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-13 18:02:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-13 18:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-13 18:02:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:02:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:02:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-13 18:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-13 18:02:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-13 18:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-13 18:02:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-13 18:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-13 18:02:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-13 18:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-13 18:02:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:02:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:02:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 18:02:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 18:02:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 18:02:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 18:02:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-13 18:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-13 18:02:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-13 18:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-13 18:02:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-13 18:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-13 18:02:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-13 18:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-13 18:02:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 18:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 18:02:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:02:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-13 18:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-13 18:02:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-13 18:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-13 18:02:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-13 18:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-13 18:02:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-13 18:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-13 18:02:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-13 18:02:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-13 18:02:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-13 18:02:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-13 18:02:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:02:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:02:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 18:02:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 18:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 18:02:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 18:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-13 18:02:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-13 18:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:02:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:02:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-13 18:02:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-13 18:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:02:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:02:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-13 18:02:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-13 18:02:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-13 18:02:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-13 18:02:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:02:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 18:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 18:02:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 18:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:02:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 18:02:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 18:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:02:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-13 18:02:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-13 18:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-13 18:02:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-13 18:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 18:02:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 18:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:02:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:02:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-13 18:02:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-13 18:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 18:02:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 18:02:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-13 18:02:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-13 18:02:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-13 18:02:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-13 18:02:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-13 18:02:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-13 18:02:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-13 18:02:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-13 18:02:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-13 18:02:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-13 18:02:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:02:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:02:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-13 18:02:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-13 18:02:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-13 18:02:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-13 18:02:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:02:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:02:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:02:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:02:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:02:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-13 18:02:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-13 18:02:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-13 18:02:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-13 18:02:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-13 18:02:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-13 18:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 18:02:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 18:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-13 18:02:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-13 18:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:02:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-13 18:02:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-13 18:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-13 18:02:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-13 18:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-13 18:02:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-13 18:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-13 18:02:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-13 18:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-13 18:02:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-13 18:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-13 18:02:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-13 18:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-13 18:02:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-13 18:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-13 18:02:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-13 18:02:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-13 18:02:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-13 18:02:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:02:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-13 18:02:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-13 18:02:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-13 18:02:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-13 18:02:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:02:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:02:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 18:02:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 18:02:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-13 18:02:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-13 18:02:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-13 18:02:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-13 18:02:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:02:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:02:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-13 18:02:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-13 18:02:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:02:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:02:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 18:02:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 18:02:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-13 18:02:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-13 18:02:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:02:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:02:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-13 18:02:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-13 18:02:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:02:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:02:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-13 18:02:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-13 18:02:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-13 18:02:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-13 18:02:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-13 18:02:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-13 18:02:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:02:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:02:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-13 18:02:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-13 18:02:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-13 18:02:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-13 18:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-13 18:02:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-13 18:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-13 18:02:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-13 18:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-13 18:02:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-13 18:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 18:02:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 18:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 18:02:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 18:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:02:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:02:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-13 18:02:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-13 18:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-13 18:02:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-13 18:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:02:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-13 18:02:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-13 18:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-13 18:02:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-13 18:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-13 18:02:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-13 18:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:02:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-13 18:02:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-13 18:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-13 18:02:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-13 18:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:02:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-13 18:02:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-13 18:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-13 18:02:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-13 18:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-13 18:02:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-13 18:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:02:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-13 18:02:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-13 18:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-13 18:02:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-13 18:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:02:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 18:02:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 18:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-13 18:02:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-13 18:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-13 18:02:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-13 18:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 18:02:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 18:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 18:02:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 18:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-13 18:02:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-13 18:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-13 18:02:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-13 18:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-13 18:02:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-13 18:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-13 18:02:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-13 18:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:02:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:02:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-13 18:02:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-13 18:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-13 18:02:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-13 18:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-13 18:02:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-13 18:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 18:02:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 18:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:02:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:02:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 18:02:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 18:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 18:02:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 18:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-13 18:02:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-13 18:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-13 18:02:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-13 18:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-13 18:02:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-13 18:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:02:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:02:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-13 18:02:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-13 18:02:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-13 18:02:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-13 18:02:50,354 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:05:41,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 18:05:41,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:05:41,583 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 18:05:41,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:05:41 BoogieIcfgContainer [2021-11-13 18:05:41,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:05:41,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:05:41,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:05:41,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:05:41,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:02:35" (1/3) ... [2021-11-13 18:05:41,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241f3d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:05:41, skipping insertion in model container [2021-11-13 18:05:41,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:02:45" (2/3) ... [2021-11-13 18:05:41,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241f3d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:05:41, skipping insertion in model container [2021-11-13 18:05:41,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:05:41" (3/3) ... [2021-11-13 18:05:41,599 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-13 18:05:41,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:05:41,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 18:05:41,673 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:05:41,680 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:05:41,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 18:05:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 6005 states, 4181 states have (on average 1.3178665391054771) internal successors, (5510), 4254 states have internal predecessors, (5510), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) [2021-11-13 18:05:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-13 18:05:41,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:05:41,851 INFO L514 BasicCegarLoop]: trace histogram [28, 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, 1, 1, 1, 1, 1, 1] [2021-11-13 18:05:41,852 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:05:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:41,857 INFO L85 PathProgramCache]: Analyzing trace with hash -953383907, now seen corresponding path program 1 times [2021-11-13 18:05:41,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:41,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35335278] [2021-11-13 18:05:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:41,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:05:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:05:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:05:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:05:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:05:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:05:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:05:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:05:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:05:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:05:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:05:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:05:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:05:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:05:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:05:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:05:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:05:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:05:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:05:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:05:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:05:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:05:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:05:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:05:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:05:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:05:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:05:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:05:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 18:05:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-13 18:05:44,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:44,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35335278] [2021-11-13 18:05:44,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35335278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:44,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:44,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:05:44,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428865472] [2021-11-13 18:05:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:44,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:05:44,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:44,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:05:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:05:44,330 INFO L87 Difference]: Start difference. First operand has 6005 states, 4181 states have (on average 1.3178665391054771) internal successors, (5510), 4254 states have internal predecessors, (5510), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-13 18:05:46,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:48,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:52,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:18,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:20,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:36,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:36,177 INFO L93 Difference]: Finished difference Result 18852 states and 27768 transitions. [2021-11-13 18:06:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:06:36,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 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 324 [2021-11-13 18:06:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:06:36,342 INFO L225 Difference]: With dead ends: 18852 [2021-11-13 18:06:36,342 INFO L226 Difference]: Without dead ends: 12892 [2021-11-13 18:06:36,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:36,409 INFO L933 BasicCegarLoop]: 9254 mSDtfsCounter, 12019 mSDsluCounter, 9814 mSDsCounter, 0 mSdLazyCounter, 5930 mSolverCounterSat, 5332 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46105.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13520 SdHoareTripleChecker+Valid, 19068 SdHoareTripleChecker+Invalid, 11267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 207.32ms SdHoareTripleChecker+Time, 5332 IncrementalHoareTripleChecker+Valid, 5930 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50180.31ms IncrementalHoareTripleChecker+Time [2021-11-13 18:06:36,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13520 Valid, 19068 Invalid, 11267 Unknown, 0 Unchecked, 207.32ms Time], IncrementalHoareTripleChecker [5332 Valid, 5930 Invalid, 5 Unknown, 0 Unchecked, 50180.31ms Time] [2021-11-13 18:06:36,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2021-11-13 18:06:37,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 11729. [2021-11-13 18:06:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11729 states, 8178 states have (on average 1.313646368305209) internal successors, (10743), 8323 states have internal predecessors, (10743), 3060 states have call successors, (3060), 491 states have call predecessors, (3060), 489 states have return successors, (3057), 3036 states have call predecessors, (3057), 3057 states have call successors, (3057) [2021-11-13 18:06:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11729 states to 11729 states and 16860 transitions. [2021-11-13 18:06:37,466 INFO L78 Accepts]: Start accepts. Automaton has 11729 states and 16860 transitions. Word has length 324 [2021-11-13 18:06:37,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:06:37,472 INFO L470 AbstractCegarLoop]: Abstraction has 11729 states and 16860 transitions. [2021-11-13 18:06:37,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-13 18:06:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 11729 states and 16860 transitions. [2021-11-13 18:06:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-13 18:06:37,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:06:37,501 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 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, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:37,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:06:37,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:06:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:37,503 INFO L85 PathProgramCache]: Analyzing trace with hash -604053447, now seen corresponding path program 1 times [2021-11-13 18:06:37,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:37,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184030559] [2021-11-13 18:06:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:37,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:06:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:06:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:06:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:06:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:06:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:06:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:06:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:06:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:06:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:06:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:06:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:06:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:06:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:06:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:06:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:06:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:06:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:06:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:06:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:06:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:06:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:06:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:06:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:06:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:06:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:06:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:06:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:06:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-13 18:06:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:06:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-13 18:06:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-11-13 18:06:39,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:39,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184030559] [2021-11-13 18:06:39,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184030559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:39,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:39,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:06:39,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479887834] [2021-11-13 18:06:39,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:39,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:06:39,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:06:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:06:39,123 INFO L87 Difference]: Start difference. First operand 11729 states and 16860 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:06:41,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:43,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:47,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:12,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:15,288 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 [] [2021-11-13 18:07:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:30,735 INFO L93 Difference]: Finished difference Result 30852 states and 44743 transitions. [2021-11-13 18:07:30,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:07:30,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 358 [2021-11-13 18:07:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:30,949 INFO L225 Difference]: With dead ends: 30852 [2021-11-13 18:07:30,949 INFO L226 Difference]: Without dead ends: 19182 [2021-11-13 18:07:31,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:07:31,052 INFO L933 BasicCegarLoop]: 9247 mSDtfsCounter, 11913 mSDsluCounter, 9830 mSDsCounter, 0 mSdLazyCounter, 5944 mSolverCounterSat, 5320 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46040.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13408 SdHoareTripleChecker+Valid, 19077 SdHoareTripleChecker+Invalid, 11269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.08ms SdHoareTripleChecker+Time, 5320 IncrementalHoareTripleChecker+Valid, 5944 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50130.87ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:31,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13408 Valid, 19077 Invalid, 11269 Unknown, 0 Unchecked, 145.08ms Time], IncrementalHoareTripleChecker [5320 Valid, 5944 Invalid, 5 Unknown, 0 Unchecked, 50130.87ms Time] [2021-11-13 18:07:31,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19182 states. [2021-11-13 18:07:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19182 to 17430. [2021-11-13 18:07:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17430 states, 12162 states have (on average 1.3132708436112481) internal successors, (15972), 12383 states have internal predecessors, (15972), 4532 states have call successors, (4532), 737 states have call predecessors, (4532), 734 states have return successors, (4529), 4492 states have call predecessors, (4529), 4529 states have call successors, (4529) [2021-11-13 18:07:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17430 states to 17430 states and 25033 transitions. [2021-11-13 18:07:32,477 INFO L78 Accepts]: Start accepts. Automaton has 17430 states and 25033 transitions. Word has length 358 [2021-11-13 18:07:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:32,479 INFO L470 AbstractCegarLoop]: Abstraction has 17430 states and 25033 transitions. [2021-11-13 18:07:32,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:07:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 17430 states and 25033 transitions. [2021-11-13 18:07:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-13 18:07:32,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:32,501 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:07:32,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:07:32,502 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 181656730, now seen corresponding path program 1 times [2021-11-13 18:07:32,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:32,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981699975] [2021-11-13 18:07:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:32,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:07:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:07:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:07:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:07:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:07:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:07:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:07:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:07:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:07:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:07:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:07:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:07:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:07:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:07:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:07:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:07:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:07:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:07:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:07:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:07:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:07:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:07:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:07:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:07:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:07:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:07:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:07:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:07:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-13 18:07:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-13 18:07:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-13 18:07:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:07:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:07:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2021-11-13 18:07:34,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:34,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981699975] [2021-11-13 18:07:34,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981699975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:34,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:34,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:07:34,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657027785] [2021-11-13 18:07:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:34,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:07:34,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:07:34,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:07:34,362 INFO L87 Difference]: Start difference. First operand 17430 states and 25033 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:07:36,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:38,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:44,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:46,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:48,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:52,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:55,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:09:30,287 INFO L93 Difference]: Finished difference Result 50357 states and 73396 transitions. [2021-11-13 18:09:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:09:30,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 369 [2021-11-13 18:09:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:09:30,564 INFO L225 Difference]: With dead ends: 50357 [2021-11-13 18:09:30,564 INFO L226 Difference]: Without dead ends: 32986 [2021-11-13 18:09:30,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:09:30,663 INFO L933 BasicCegarLoop]: 8804 mSDtfsCounter, 12393 mSDsluCounter, 10892 mSDsCounter, 0 mSdLazyCounter, 12323 mSolverCounterSat, 5897 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106244.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13960 SdHoareTripleChecker+Valid, 19696 SdHoareTripleChecker+Invalid, 18227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 263.06ms SdHoareTripleChecker+Time, 5897 IncrementalHoareTripleChecker+Valid, 12323 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113237.44ms IncrementalHoareTripleChecker+Time [2021-11-13 18:09:30,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13960 Valid, 19696 Invalid, 18227 Unknown, 0 Unchecked, 263.06ms Time], IncrementalHoareTripleChecker [5897 Valid, 12323 Invalid, 7 Unknown, 0 Unchecked, 113237.44ms Time] [2021-11-13 18:09:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32986 states. [2021-11-13 18:09:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32986 to 28494. [2021-11-13 18:09:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28494 states, 19918 states have (on average 1.3132342604679184) internal successors, (26157), 20291 states have internal predecessors, (26157), 7365 states have call successors, (7365), 1216 states have call predecessors, (7365), 1209 states have return successors, (7362), 7291 states have call predecessors, (7362), 7362 states have call successors, (7362) [2021-11-13 18:09:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28494 states to 28494 states and 40884 transitions. [2021-11-13 18:09:33,580 INFO L78 Accepts]: Start accepts. Automaton has 28494 states and 40884 transitions. Word has length 369 [2021-11-13 18:09:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:09:33,600 INFO L470 AbstractCegarLoop]: Abstraction has 28494 states and 40884 transitions. [2021-11-13 18:09:33,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:09:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 28494 states and 40884 transitions. [2021-11-13 18:09:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-13 18:09:33,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:09:33,629 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:09:33,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:09:33,630 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:09:33,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:09:33,631 INFO L85 PathProgramCache]: Analyzing trace with hash -882427892, now seen corresponding path program 1 times [2021-11-13 18:09:33,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:09:33,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898694462] [2021-11-13 18:09:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:09:33,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:09:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:09:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:09:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:09:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:09:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:09:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:09:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:09:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:09:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:09:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:09:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:09:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:09:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:09:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:09:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:09:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:09:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:09:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:09:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:09:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:09:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:09:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:09:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:09:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:09:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:09:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:09:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:09:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:09:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-13 18:09:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:09:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-13 18:09:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 18:09:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-13 18:09:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-13 18:09:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-13 18:09:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2021-11-13 18:09:35,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:09:35,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898694462] [2021-11-13 18:09:35,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898694462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:09:35,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:09:35,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:09:35,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944007832] [2021-11-13 18:09:35,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:09:35,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:09:35,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:09:35,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:09:35,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:09:35,386 INFO L87 Difference]: Start difference. First operand 28494 states and 40884 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-13 18:09:37,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:39,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:44,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:45,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:16,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:19,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:24,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:26,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:33,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:36,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:10:42,181 INFO L93 Difference]: Finished difference Result 79236 states and 114864 transitions. [2021-11-13 18:10:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:10:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 380 [2021-11-13 18:10:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:10:42,935 INFO L225 Difference]: With dead ends: 79236 [2021-11-13 18:10:42,936 INFO L226 Difference]: Without dead ends: 56321 [2021-11-13 18:10:43,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:10:43,075 INFO L933 BasicCegarLoop]: 15844 mSDtfsCounter, 9507 mSDsluCounter, 12774 mSDsCounter, 0 mSdLazyCounter, 6164 mSolverCounterSat, 3748 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58591.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10998 SdHoareTripleChecker+Valid, 28618 SdHoareTripleChecker+Invalid, 9921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 147.25ms SdHoareTripleChecker+Time, 3748 IncrementalHoareTripleChecker+Valid, 6164 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63600.95ms IncrementalHoareTripleChecker+Time [2021-11-13 18:10:43,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10998 Valid, 28618 Invalid, 9921 Unknown, 0 Unchecked, 147.25ms Time], IncrementalHoareTripleChecker [3748 Valid, 6164 Invalid, 9 Unknown, 0 Unchecked, 63600.95ms Time] [2021-11-13 18:10:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56321 states. [2021-11-13 18:10:46,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56321 to 51098. [2021-11-13 18:10:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51098 states, 35740 states have (on average 1.313905987688864) internal successors, (46959), 36397 states have internal predecessors, (46959), 13187 states have call successors, (13187), 2180 states have call predecessors, (13187), 2169 states have return successors, (13184), 13069 states have call predecessors, (13184), 13184 states have call successors, (13184) [2021-11-13 18:10:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51098 states to 51098 states and 73330 transitions. [2021-11-13 18:10:47,128 INFO L78 Accepts]: Start accepts. Automaton has 51098 states and 73330 transitions. Word has length 380 [2021-11-13 18:10:47,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:10:47,130 INFO L470 AbstractCegarLoop]: Abstraction has 51098 states and 73330 transitions. [2021-11-13 18:10:47,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-13 18:10:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 51098 states and 73330 transitions. [2021-11-13 18:10:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-13 18:10:47,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:10:47,168 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:10:47,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:10:47,169 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:10:47,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:10:47,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1016441398, now seen corresponding path program 1 times [2021-11-13 18:10:47,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:10:47,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316283957] [2021-11-13 18:10:47,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:10:47,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:10:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:10:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:10:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:10:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:10:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:10:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:10:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:10:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:10:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:10:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:10:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:10:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:10:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:10:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:10:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:10:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:10:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:10:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:10:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:10:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:10:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:10:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:10:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:10:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:10:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:10:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:10:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:10:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:10:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-13 18:10:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:10:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-13 18:10:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 18:10:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:10:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-13 18:10:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-13 18:10:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-13 18:10:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2021-11-13 18:10:49,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:10:49,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316283957] [2021-11-13 18:10:49,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316283957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:10:49,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:10:49,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:10:49,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154983322] [2021-11-13 18:10:49,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:10:49,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:10:49,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:10:49,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:10:49,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:10:49,372 INFO L87 Difference]: Start difference. First operand 51098 states and 73330 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:10:51,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:56,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:21,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:24,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:31,699 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 [] [2021-11-13 18:11:35,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:35,521 INFO L93 Difference]: Finished difference Result 56419 states and 82092 transitions. [2021-11-13 18:11:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:11:35,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 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 380 [2021-11-13 18:11:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:36,151 INFO L225 Difference]: With dead ends: 56419 [2021-11-13 18:11:36,152 INFO L226 Difference]: Without dead ends: 56364 [2021-11-13 18:11:36,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:11:36,214 INFO L933 BasicCegarLoop]: 8149 mSDtfsCounter, 9593 mSDsluCounter, 9909 mSDsCounter, 0 mSdLazyCounter, 4445 mSolverCounterSat, 3663 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39821.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10555 SdHoareTripleChecker+Valid, 18058 SdHoareTripleChecker+Invalid, 8113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 110.34ms SdHoareTripleChecker+Time, 3663 IncrementalHoareTripleChecker+Valid, 4445 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43017.84ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:36,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10555 Valid, 18058 Invalid, 8113 Unknown, 0 Unchecked, 110.34ms Time], IncrementalHoareTripleChecker [3663 Valid, 4445 Invalid, 5 Unknown, 0 Unchecked, 43017.84ms Time] [2021-11-13 18:11:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56364 states. [2021-11-13 18:11:39,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56364 to 51144. [2021-11-13 18:11:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51144 states, 35771 states have (on average 1.3133264376170641) internal successors, (46979), 36416 states have internal predecessors, (46979), 13197 states have call successors, (13197), 2183 states have call predecessors, (13197), 2175 states have return successors, (13197), 13093 states have call predecessors, (13197), 13197 states have call successors, (13197) [2021-11-13 18:11:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51144 states to 51144 states and 73373 transitions. [2021-11-13 18:11:40,483 INFO L78 Accepts]: Start accepts. Automaton has 51144 states and 73373 transitions. Word has length 380 [2021-11-13 18:11:40,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:40,489 INFO L470 AbstractCegarLoop]: Abstraction has 51144 states and 73373 transitions. [2021-11-13 18:11:40,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:11:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51144 states and 73373 transitions. [2021-11-13 18:11:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-13 18:11:40,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:40,621 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:11:40,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:11:40,621 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1953542060, now seen corresponding path program 1 times [2021-11-13 18:11:40,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:40,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475825218] [2021-11-13 18:11:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:40,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:11:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:11:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:11:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:11:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:11:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:11:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:11:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:11:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:11:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:11:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:11:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:11:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:11:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:11:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:11:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:11:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:11:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:11:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:11:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:11:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:11:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:11:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:11:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:11:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:11:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:11:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:11:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:11:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-13 18:11:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:11:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-13 18:11:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 18:11:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-13 18:11:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-13 18:11:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-13 18:11:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-13 18:11:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-13 18:11:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:11:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:11:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-13 18:11:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2021-11-13 18:11:42,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:42,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475825218] [2021-11-13 18:11:42,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475825218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:42,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:42,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:11:42,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687229069] [2021-11-13 18:11:42,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:42,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:11:42,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:11:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:11:42,302 INFO L87 Difference]: Start difference. First operand 51144 states and 73373 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-13 18:11:44,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:46,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:50,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:27,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:29,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:12:45,573 INFO L93 Difference]: Finished difference Result 126860 states and 183664 transitions. [2021-11-13 18:12:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:12:45,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 434 [2021-11-13 18:12:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:12:46,405 INFO L225 Difference]: With dead ends: 126860 [2021-11-13 18:12:46,405 INFO L226 Difference]: Without dead ends: 75163 [2021-11-13 18:12:46,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:12:46,705 INFO L933 BasicCegarLoop]: 15988 mSDtfsCounter, 9457 mSDsluCounter, 12851 mSDsCounter, 0 mSdLazyCounter, 6147 mSolverCounterSat, 3692 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53504.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10945 SdHoareTripleChecker+Valid, 28839 SdHoareTripleChecker+Invalid, 9844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 155.95ms SdHoareTripleChecker+Time, 3692 IncrementalHoareTripleChecker+Valid, 6147 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58206.46ms IncrementalHoareTripleChecker+Time [2021-11-13 18:12:46,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10945 Valid, 28839 Invalid, 9844 Unknown, 0 Unchecked, 155.95ms Time], IncrementalHoareTripleChecker [3692 Valid, 6147 Invalid, 5 Unknown, 0 Unchecked, 58206.46ms Time] [2021-11-13 18:12:46,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75163 states. [2021-11-13 18:12:50,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75163 to 68200. [2021-11-13 18:12:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68200 states, 47698 states have (on average 1.3137657763428237) internal successors, (62664), 48556 states have internal predecessors, (62664), 17601 states have call successors, (17601), 2911 states have call predecessors, (17601), 2900 states have return successors, (17601), 17464 states have call predecessors, (17601), 17601 states have call successors, (17601) [2021-11-13 18:12:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68200 states to 68200 states and 97866 transitions. [2021-11-13 18:12:52,458 INFO L78 Accepts]: Start accepts. Automaton has 68200 states and 97866 transitions. Word has length 434 [2021-11-13 18:12:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:12:52,460 INFO L470 AbstractCegarLoop]: Abstraction has 68200 states and 97866 transitions. [2021-11-13 18:12:52,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-13 18:12:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 68200 states and 97866 transitions. [2021-11-13 18:12:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-13 18:12:52,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:12:52,675 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 28, 28, 28, 28, 28, 28, 5, 5, 5, 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] [2021-11-13 18:12:52,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:12:52,675 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:12:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:12:52,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2010704330, now seen corresponding path program 1 times [2021-11-13 18:12:52,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:12:52,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114253687] [2021-11-13 18:12:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:12:52,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:12:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:12:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:12:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:12:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:12:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:12:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:12:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:12:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:12:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:12:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:12:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:12:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:12:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:12:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:12:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:12:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:12:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:12:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:12:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:12:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:12:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:12:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:12:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:12:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:12:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:12:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:12:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:12:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-13 18:12:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-13 18:12:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:12:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-13 18:12:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-13 18:12:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-13 18:12:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-13 18:12:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 18:12:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-13 18:12:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-13 18:12:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-13 18:12:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:12:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:12:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3895 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2021-11-13 18:12:55,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:12:55,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114253687] [2021-11-13 18:12:55,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114253687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:12:55,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:12:55,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:12:55,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544180122] [2021-11-13 18:12:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:12:55,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:12:55,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:12:55,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:12:55,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:12:55,922 INFO L87 Difference]: Start difference. First operand 68200 states and 97866 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-13 18:12:58,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:00,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:07,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:09,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:11,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:40,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:42,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:14:47,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:14:49,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:02,799 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:06,409 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 []