./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a03ad4e15fecab938e9e70aed8b753ecf99ee66a89bf97a267f1c578afd42981 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:00:41,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:00:41,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:00:41,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:00:41,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:00:41,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:00:41,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:00:41,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:00:41,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:00:41,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:00:41,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:00:41,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:00:41,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:00:41,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:00:41,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:00:41,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:00:41,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:00:41,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:00:41,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:00:41,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:00:41,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:00:41,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:00:41,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:00:41,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:00:41,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:00:41,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:00:41,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:00:41,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:00:41,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:00:41,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:00:41,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:00:41,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:00:41,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:00:41,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:00:41,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:00:41,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:00:41,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:00:41,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:00:41,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:00:41,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:00:41,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:00:41,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:00:41,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:00:41,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:00:41,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:00:41,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:00:41,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:00:41,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:00:41,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:00:41,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:00:41,730 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:00:41,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:00:41,731 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:00:41,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:00:41,732 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:00:41,732 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:00:41,732 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:00:41,732 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:00:41,733 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:00:41,733 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:00:41,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:00:41,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:00:41,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:00:41,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:00:41,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:00:41,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:00:41,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:00:41,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:00:41,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:00:41,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:00:41,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:00:41,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:00:41,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:00:41,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:00:41,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:00:41,739 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:00:41,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:00:41,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:00:41,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:00:41,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:00:41,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03ad4e15fecab938e9e70aed8b753ecf99ee66a89bf97a267f1c578afd42981 [2021-11-23 02:00:42,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:00:42,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:00:42,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:00:42,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:00:42,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:00:42,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-23 02:00:42,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/data/a524932cd/9061acb35b8d4f64ad4a7e85374d28cd/FLAG635497d49 [2021-11-23 02:00:43,691 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:00:43,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-23 02:00:43,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/data/a524932cd/9061acb35b8d4f64ad4a7e85374d28cd/FLAG635497d49 [2021-11-23 02:00:44,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/data/a524932cd/9061acb35b8d4f64ad4a7e85374d28cd [2021-11-23 02:00:44,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:00:44,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:00:44,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:00:44,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:00:44,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:00:44,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:00:44" (1/1) ... [2021-11-23 02:00:44,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcdab6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:44, skipping insertion in model container [2021-11-23 02:00:44,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:00:44" (1/1) ... [2021-11-23 02:00:44,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:00:44,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:00:52,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607702,607715] [2021-11-23 02:00:52,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607849,607862] [2021-11-23 02:00:52,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607988,608001] [2021-11-23 02:00:52,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[608146,608159] [2021-11-23 02:00:52,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:52,439 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:00:53,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607702,607715] [2021-11-23 02:00:53,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607849,607862] [2021-11-23 02:00:53,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607988,608001] [2021-11-23 02:00:53,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[608146,608159] [2021-11-23 02:00:53,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:54,124 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:00:54,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54 WrapperNode [2021-11-23 02:00:54,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:00:54,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:54,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:00:54,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:00:54,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:54,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,116 INFO L137 Inliner]: procedures = 673, calls = 7407, calls flagged for inlining = 360, calls inlined = 339, statements flattened = 15802 [2021-11-23 02:00:55,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:55,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:00:55,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:00:55,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:00:55,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:55,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:56,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:56,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:00:56,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:00:56,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:00:56,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:00:56,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (1/1) ... [2021-11-23 02:00:56,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:00:56,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:00:56,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:00:56,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:00:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:00:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:00:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-23 02:00:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-23 02:00:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 02:00:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_timer [2021-11-23 02:00:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_timer [2021-11-23 02:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:00:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 02:00:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 02:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-23 02:00:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-23 02:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:00:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-23 02:00:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-23 02:00:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-23 02:00:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-23 02:00:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:00:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:00:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-23 02:00:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-23 02:00:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-23 02:00:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-23 02:00:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-23 02:00:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-23 02:00:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-23 02:00:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-23 02:00:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 02:00:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 02:00:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-23 02:00:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-23 02:00:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-23 02:00:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-23 02:00:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 02:00:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 02:00:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 02:00:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 02:00:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-23 02:00:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-23 02:00:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:00:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:00:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 02:00:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 02:00:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:00:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:00:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-23 02:00:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-23 02:00:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-11-23 02:00:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-11-23 02:00:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-23 02:00:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-23 02:00:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:00:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:00:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-23 02:00:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-23 02:00:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-23 02:00:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-23 02:00:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_22 [2021-11-23 02:00:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_22 [2021-11-23 02:00:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-23 02:00:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-23 02:00:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-23 02:00:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-23 02:00:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-23 02:00:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-23 02:00:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-23 02:00:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-23 02:00:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:00:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:00:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:00:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:00:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-23 02:00:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-23 02:00:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:00:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:00:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:00:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:00:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-23 02:00:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-23 02:00:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 02:00:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 02:00:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:00:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:00:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-23 02:00:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-23 02:00:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-23 02:00:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-23 02:00:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-23 02:00:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-23 02:00:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 02:00:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 02:00:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 02:00:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 02:00:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:00:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 02:00:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 02:00:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-23 02:00:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-23 02:00:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-23 02:00:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-23 02:00:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-23 02:00:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-23 02:00:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-23 02:00:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-23 02:00:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-23 02:00:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-23 02:00:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 02:00:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 02:00:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-23 02:00:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-23 02:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:00:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-23 02:00:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-23 02:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-23 02:00:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-23 02:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-23 02:00:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-23 02:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:00:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-23 02:00:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-23 02:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:00:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-23 02:00:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-23 02:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:00:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-23 02:00:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-23 02:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 02:00:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 02:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:00:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:00:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-23 02:00:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-23 02:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-23 02:00:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-23 02:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-23 02:00:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-23 02:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-23 02:00:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-23 02:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:00:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:00:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:00:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:00:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:00:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:00:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-23 02:00:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-23 02:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-23 02:00:56,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-23 02:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:00:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-23 02:00:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-23 02:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-23 02:00:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-23 02:00:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:00:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:00:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-23 02:00:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-23 02:00:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-23 02:00:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-23 02:00:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:00:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:00:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:00:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:00:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-23 02:00:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-23 02:00:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-23 02:00:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-23 02:00:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-23 02:00:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-23 02:00:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:00:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-23 02:00:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-23 02:00:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-23 02:00:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-23 02:00:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 02:00:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 02:00:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-23 02:00:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-23 02:00:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:00:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 02:00:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 02:00:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:00:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:00:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:00:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:00:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:00:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:00:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-23 02:00:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-23 02:00:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-23 02:00:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-23 02:00:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:00:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:00:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:00:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:00:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-23 02:00:56,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-23 02:00:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:00:56,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:00:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-23 02:00:56,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-23 02:00:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-23 02:00:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-23 02:00:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:00:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:00:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-23 02:00:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-23 02:00:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:00:56,474 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:00:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-23 02:00:56,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-23 02:00:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:00:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:00:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:00:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:00:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 02:00:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 02:00:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 02:00:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 02:00:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-23 02:00:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-23 02:00:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 02:00:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 02:00:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-23 02:00:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-23 02:00:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-23 02:00:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-23 02:00:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-23 02:00:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-23 02:00:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 02:00:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 02:00:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:00:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:00:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:00:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:00:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-23 02:00:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-23 02:00:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 02:00:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 02:00:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-23 02:00:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-23 02:00:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-23 02:00:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-23 02:00:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:00:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:00:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-23 02:00:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-23 02:00:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:00:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:00:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:00:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:00:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-23 02:00:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-23 02:00:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:00:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:00:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:00:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:00:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-23 02:00:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-23 02:00:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 02:00:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 02:00:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 02:00:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 02:00:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:00:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:00:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-23 02:00:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-23 02:00:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:00:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-23 02:00:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-23 02:00:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:00:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:00:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-23 02:00:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-23 02:00:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-23 02:00:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-23 02:00:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:00:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:00:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-23 02:00:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-23 02:00:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-23 02:00:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-23 02:00:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-23 02:00:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-23 02:00:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:00:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:00:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-23 02:00:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-23 02:00:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 02:00:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 02:00:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-23 02:00:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-23 02:00:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-23 02:00:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-23 02:00:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:00:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:00:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:00:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:00:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-23 02:00:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-23 02:00:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-23 02:00:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-23 02:00:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:00:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:00:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-23 02:00:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-23 02:00:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-23 02:00:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-23 02:00:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:00:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:00:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-23 02:00:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-23 02:00:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 02:00:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 02:00:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 02:00:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 02:00:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:00:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:00:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:00:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-23 02:00:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-23 02:00:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:00:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:00:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-23 02:00:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-23 02:00:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:00:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:00:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-23 02:00:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-23 02:00:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:00:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-23 02:00:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-23 02:00:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-23 02:00:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-23 02:00:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-23 02:00:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-23 02:00:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-23 02:00:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-23 02:00:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-23 02:00:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-23 02:00:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:00:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-23 02:00:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-23 02:00:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-23 02:00:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-23 02:00:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:00:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:00:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-23 02:00:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-23 02:00:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:00:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:00:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:00:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:00:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 02:00:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 02:00:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:00:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:00:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:00:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:00:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 02:00:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 02:00:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-23 02:00:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-23 02:00:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-23 02:00:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-23 02:00:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 02:00:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 02:00:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-23 02:00:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-23 02:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-23 02:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-23 02:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 02:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 02:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:00:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-23 02:00:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-23 02:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 02:00:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 02:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-23 02:00:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-23 02:00:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-23 02:00:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-23 02:00:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:00:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:00:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-23 02:00:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-23 02:00:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-23 02:00:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-23 02:00:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:00:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:00:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-23 02:00:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-23 02:00:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:00:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-23 02:00:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-23 02:00:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:00:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:00:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 02:00:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 02:00:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-23 02:00:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-23 02:00:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:00:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:00:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:00:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:00:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-23 02:00:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-23 02:00:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-23 02:00:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-23 02:00:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:00:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:00:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-23 02:00:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-23 02:00:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-23 02:00:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-23 02:00:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:00:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:00:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-23 02:00:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-23 02:00:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-23 02:00:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-23 02:00:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-23 02:00:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-23 02:00:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-23 02:00:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-23 02:00:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 02:00:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 02:00:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:00:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:00:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-23 02:00:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-23 02:00:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-23 02:00:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-23 02:00:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:00:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:00:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-23 02:00:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-23 02:00:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-23 02:00:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-23 02:00:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:00:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:00:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-23 02:00:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-23 02:00:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 02:00:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 02:00:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-23 02:00:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-23 02:00:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-23 02:00:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-23 02:00:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-23 02:00:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-23 02:00:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-23 02:00:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-23 02:00:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 02:00:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 02:00:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:00:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:00:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 02:00:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:00:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-23 02:00:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-23 02:00:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-23 02:00:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-23 02:00:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-23 02:00:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-23 02:00:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:00:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:00:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-23 02:00:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-23 02:00:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-23 02:00:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-23 02:00:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-23 02:00:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-23 02:00:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-23 02:00:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-23 02:00:58,652 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:00:58,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:00:58,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:01:24,269 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:01:30,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:01:30,734 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 02:01:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:01:30 BoogieIcfgContainer [2021-11-23 02:01:30,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:01:30,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:01:30,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:01:30,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:01:30,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:00:44" (1/3) ... [2021-11-23 02:01:30,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e7030e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:01:30, skipping insertion in model container [2021-11-23 02:01:30,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:54" (2/3) ... [2021-11-23 02:01:30,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e7030e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:01:30, skipping insertion in model container [2021-11-23 02:01:30,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:01:30" (3/3) ... [2021-11-23 02:01:30,753 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-23 02:01:30,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:01:30,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 02:01:30,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:01:30,861 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:01:30,863 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 02:01:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 3594 states, 2147 states have (on average 1.3032137866790872) internal successors, (2798), 2225 states have internal predecessors, (2798), 1207 states have call successors, (1207), 238 states have call predecessors, (1207), 237 states have return successors, (1201), 1182 states have call predecessors, (1201), 1201 states have call successors, (1201) [2021-11-23 02:01:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:01:30,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:01:30,982 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-23 02:01:30,983 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:01:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:01:30,989 INFO L85 PathProgramCache]: Analyzing trace with hash 434942836, now seen corresponding path program 1 times [2021-11-23 02:01:31,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:01:31,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362786187] [2021-11-23 02:01:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:01:31,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:01:32,255 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:01:32,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362786187] [2021-11-23 02:01:32,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362786187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:01:32,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:01:32,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:01:32,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83695260] [2021-11-23 02:01:32,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:01:32,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:01:32,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:01:32,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:01:32,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:01:32,327 INFO L87 Difference]: Start difference. First operand has 3594 states, 2147 states have (on average 1.3032137866790872) internal successors, (2798), 2225 states have internal predecessors, (2798), 1207 states have call successors, (1207), 238 states have call predecessors, (1207), 237 states have return successors, (1201), 1182 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:01:36,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:38,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:01:41,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:44,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:46,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:49,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:53,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:01:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:01:56,531 INFO L93 Difference]: Finished difference Result 8860 states and 12764 transitions. [2021-11-23 02:01:56,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:01:56,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2021-11-23 02:01:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:01:56,654 INFO L225 Difference]: With dead ends: 8860 [2021-11-23 02:01:56,654 INFO L226 Difference]: Without dead ends: 5228 [2021-11-23 02:01:56,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:01:56,718 INFO L933 BasicCegarLoop]: 5189 mSDtfsCounter, 5158 mSDsluCounter, 8339 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5166 SdHoareTripleChecker+Valid, 12414 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:01:56,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5166 Valid, 12414 Invalid, 1874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1869 Invalid, 5 Unknown, 0 Unchecked, 23.3s Time] [2021-11-23 02:01:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2021-11-23 02:01:57,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5224. [2021-11-23 02:01:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 3144 states have (on average 1.3008905852417303) internal successors, (4090), 3252 states have internal predecessors, (4090), 1697 states have call successors, (1697), 382 states have call predecessors, (1697), 382 states have return successors, (1701), 1669 states have call predecessors, (1701), 1697 states have call successors, (1701) [2021-11-23 02:01:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 7488 transitions. [2021-11-23 02:01:57,422 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 7488 transitions. Word has length 34 [2021-11-23 02:01:57,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:01:57,423 INFO L470 AbstractCegarLoop]: Abstraction has 5224 states and 7488 transitions. [2021-11-23 02:01:57,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:01:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 7488 transitions. [2021-11-23 02:01:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 02:01:57,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:01:57,434 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-23 02:01:57,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:01:57,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:01:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:01:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1639737901, now seen corresponding path program 1 times [2021-11-23 02:01:57,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:01:57,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329898280] [2021-11-23 02:01:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:01:57,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-23 02:01:58,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:01:58,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329898280] [2021-11-23 02:01:58,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329898280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:01:58,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:01:58,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:01:58,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370328345] [2021-11-23 02:01:58,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:01:58,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:01:58,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:01:58,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:01:58,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:01:58,280 INFO L87 Difference]: Start difference. First operand 5224 states and 7488 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 02:02:01,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:04,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:10,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:12,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:24,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:28,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:29,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:02:32,136 INFO L93 Difference]: Finished difference Result 10326 states and 15061 transitions. [2021-11-23 02:02:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:02:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2021-11-23 02:02:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:02:32,260 INFO L225 Difference]: With dead ends: 10326 [2021-11-23 02:02:32,260 INFO L226 Difference]: Without dead ends: 10324 [2021-11-23 02:02:32,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:02:32,272 INFO L933 BasicCegarLoop]: 6697 mSDtfsCounter, 6292 mSDsluCounter, 12835 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 250 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6530 SdHoareTripleChecker+Valid, 17940 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:02:32,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6530 Valid, 17940 Invalid, 2980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [250 Valid, 2724 Invalid, 6 Unknown, 0 Unchecked, 33.2s Time] [2021-11-23 02:02:32,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10324 states. [2021-11-23 02:02:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10324 to 9721. [2021-11-23 02:02:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9721 states, 5847 states have (on average 1.3075081238241832) internal successors, (7645), 6054 states have internal predecessors, (7645), 3219 states have call successors, (3219), 654 states have call predecessors, (3219), 654 states have return successors, (3229), 3162 states have call predecessors, (3229), 3219 states have call successors, (3229) [2021-11-23 02:02:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9721 states to 9721 states and 14093 transitions. [2021-11-23 02:02:33,177 INFO L78 Accepts]: Start accepts. Automaton has 9721 states and 14093 transitions. Word has length 97 [2021-11-23 02:02:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:02:33,180 INFO L470 AbstractCegarLoop]: Abstraction has 9721 states and 14093 transitions. [2021-11-23 02:02:33,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 02:02:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 9721 states and 14093 transitions. [2021-11-23 02:02:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2021-11-23 02:02:33,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:33,324 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:33,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:02:33,325 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:33,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:33,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2099715975, now seen corresponding path program 1 times [2021-11-23 02:02:33,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:33,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123077873] [2021-11-23 02:02:33,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:33,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2021-11-23 02:02:34,826 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:34,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123077873] [2021-11-23 02:02:34,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123077873] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:02:34,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217519873] [2021-11-23 02:02:34,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:34,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:02:34,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:02:34,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:02:34,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:02:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:38,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 10779 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:02:38,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:02:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2021-11-23 02:02:40,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:02:40,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217519873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:40,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:02:40,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-23 02:02:40,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265121241] [2021-11-23 02:02:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:40,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:02:40,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:02:40,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:02:40,439 INFO L87 Difference]: Start difference. First operand 9721 states and 14093 transitions. Second operand has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-23 02:02:44,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:47,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:49,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:51,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:54,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:01,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:03,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:06,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:08,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:11,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:15,508 INFO L93 Difference]: Finished difference Result 19476 states and 28692 transitions. [2021-11-23 02:03:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:03:15,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) Word has length 557 [2021-11-23 02:03:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:15,626 INFO L225 Difference]: With dead ends: 19476 [2021-11-23 02:03:15,626 INFO L226 Difference]: Without dead ends: 9769 [2021-11-23 02:03:15,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:03:15,717 INFO L933 BasicCegarLoop]: 4436 mSDtfsCounter, 5 mSDsluCounter, 15394 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17734 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:15,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 17734 Invalid, 2813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2807 Invalid, 6 Unknown, 0 Unchecked, 34.6s Time] [2021-11-23 02:03:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states. [2021-11-23 02:03:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 9737. [2021-11-23 02:03:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 5859 states have (on average 1.306878306878307) internal successors, (7657), 6066 states have internal predecessors, (7657), 3219 states have call successors, (3219), 654 states have call predecessors, (3219), 658 states have return successors, (3236), 3166 states have call predecessors, (3236), 3219 states have call successors, (3236) [2021-11-23 02:03:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 14112 transitions. [2021-11-23 02:03:16,470 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 14112 transitions. Word has length 557 [2021-11-23 02:03:16,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:16,472 INFO L470 AbstractCegarLoop]: Abstraction has 9737 states and 14112 transitions. [2021-11-23 02:03:16,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-23 02:03:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 14112 transitions. [2021-11-23 02:03:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2021-11-23 02:03:16,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:16,578 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:16,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:03:16,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:16,805 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1171468939, now seen corresponding path program 1 times [2021-11-23 02:03:16,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:16,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027373183] [2021-11-23 02:03:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:16,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2021-11-23 02:03:17,871 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:17,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027373183] [2021-11-23 02:03:17,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027373183] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:03:17,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738987585] [2021-11-23 02:03:17,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:17,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:17,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:03:17,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:03:17,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:03:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:20,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 10907 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:03:20,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:03:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2021-11-23 02:03:21,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:03:21,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738987585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:21,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:03:21,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-23 02:03:21,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833680198] [2021-11-23 02:03:21,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:21,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:03:21,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:21,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:03:21,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:03:21,822 INFO L87 Difference]: Start difference. First operand 9737 states and 14112 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-23 02:03:25,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:03:27,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:34,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:36,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:40,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:43,411 INFO L93 Difference]: Finished difference Result 19504 states and 28507 transitions. [2021-11-23 02:03:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:03:43,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 565 [2021-11-23 02:03:43,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:43,542 INFO L225 Difference]: With dead ends: 19504 [2021-11-23 02:03:43,554 INFO L226 Difference]: Without dead ends: 9781 [2021-11-23 02:03:43,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:03:43,600 INFO L933 BasicCegarLoop]: 4412 mSDtfsCounter, 19 mSDsluCounter, 10189 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 13209 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:43,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 13209 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2112 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2021-11-23 02:03:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2021-11-23 02:03:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9781. [2021-11-23 02:03:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9781 states, 5887 states have (on average 1.3060981824358757) internal successors, (7689), 6094 states have internal predecessors, (7689), 3231 states have call successors, (3231), 658 states have call predecessors, (3231), 662 states have return successors, (3252), 3178 states have call predecessors, (3252), 3231 states have call successors, (3252) [2021-11-23 02:03:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9781 states to 9781 states and 14172 transitions. [2021-11-23 02:03:44,155 INFO L78 Accepts]: Start accepts. Automaton has 9781 states and 14172 transitions. Word has length 565 [2021-11-23 02:03:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:44,161 INFO L470 AbstractCegarLoop]: Abstraction has 9781 states and 14172 transitions. [2021-11-23 02:03:44,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-23 02:03:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9781 states and 14172 transitions. [2021-11-23 02:03:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-11-23 02:03:44,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:44,265 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 9, 9, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:44,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:03:44,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:44,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:44,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash -639991044, now seen corresponding path program 1 times [2021-11-23 02:03:44,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:44,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309550568] [2021-11-23 02:03:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:44,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2021-11-23 02:03:45,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:45,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309550568] [2021-11-23 02:03:45,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309550568] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:03:45,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614583663] [2021-11-23 02:03:45,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:45,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:45,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:03:45,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:03:45,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7ca645-183d-4649-8338-5bc475a247f6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:03:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:48,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 10933 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:03:48,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:03:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 330 proven. 1 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2021-11-23 02:03:50,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:03:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2021-11-23 02:03:51,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614583663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:03:51,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1440574917] [2021-11-23 02:03:51,928 INFO L159 IcfgInterpreter]: Started Sifa with 312 locations of interest [2021-11-23 02:03:51,929 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:03:51,940 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:03:51,946 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:03:51,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:07:24,916 WARN L227 SmtUtils]: Spent 10.93s on a formula simplification that was a NOOP. DAG size: 12486 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-23 02:07:35,940 WARN L227 SmtUtils]: Spent 10.98s on a formula simplification that was a NOOP. DAG size: 12486 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-23 02:07:48,306 WARN L227 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 12669 DAG size of output: 12543 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-23 02:07:59,888 WARN L227 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 12486 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-23 02:08:10,897 WARN L227 SmtUtils]: Spent 10.98s on a formula simplification that was a NOOP. DAG size: 12486 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-23 02:08:23,121 WARN L227 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 12669 DAG size of output: 12543 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)