./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4136e0a1dcbbf157e7e0dc3f3f6501529b906c5ba0f0c22165efacb3c320d25 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:07:29,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:07:29,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:07:30,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:07:30,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:07:30,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:07:30,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:07:30,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:07:30,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:07:30,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:07:30,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:07:30,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:07:30,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:07:30,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:07:30,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:07:30,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:07:30,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:07:30,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:07:30,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:07:30,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:07:30,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:07:30,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:07:30,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:07:30,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:07:30,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:07:30,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:07:30,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:07:30,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:07:30,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:07:30,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:07:30,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:07:30,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:07:30,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:07:30,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:07:30,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:07:30,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:07:30,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:07:30,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:07:30,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:07:30,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:07:30,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:07:30,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:07:30,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:07:30,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:07:30,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:07:30,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:07:30,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:07:30,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:07:30,159 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:07:30,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:07:30,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:07:30,160 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:07:30,160 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:07:30,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:07:30,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:07:30,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:07:30,161 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:07:30,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:07:30,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:07:30,162 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:07:30,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:07:30,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:07:30,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:07:30,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:07:30,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:07:30,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:07:30,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:07:30,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:07:30,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:07:30,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:07:30,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:07:30,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:07:30,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:07:30,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:07:30,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:07:30,165 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:07:30,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:07:30,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:07:30,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:07:30,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:07:30,166 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_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4136e0a1dcbbf157e7e0dc3f3f6501529b906c5ba0f0c22165efacb3c320d25 [2021-11-25 18:07:30,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:07:30,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:07:30,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:07:30,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:07:30,439 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:07:30,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 18:07:30,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/data/5cc97c972/a08437d1f3f84cdda404226c03eabb9e/FLAGaf9634d43 [2021-11-25 18:07:31,620 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:07:31,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 18:07:31,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/data/5cc97c972/a08437d1f3f84cdda404226c03eabb9e/FLAGaf9634d43 [2021-11-25 18:07:31,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/data/5cc97c972/a08437d1f3f84cdda404226c03eabb9e [2021-11-25 18:07:31,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:07:32,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:07:32,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:07:32,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:07:32,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:07:32,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:31" (1/1) ... [2021-11-25 18:07:32,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41706a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:32, skipping insertion in model container [2021-11-25 18:07:32,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:31" (1/1) ... [2021-11-25 18:07:32,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:07:32,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:07:37,997 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_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i[520349,520362] [2021-11-25 18:07:38,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:07:38,104 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:07:38,851 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_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i[520349,520362] [2021-11-25 18:07:38,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:07:39,274 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:07:39,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39 WrapperNode [2021-11-25 18:07:39,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:07:39,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:07:39,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:07:39,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:07:39,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:39,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:39,846 INFO L137 Inliner]: procedures = 648, calls = 4897, calls flagged for inlining = 345, calls inlined = 344, statements flattened = 12870 [2021-11-25 18:07:39,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:07:39,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:07:39,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:07:39,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:07:39,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:39,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:39,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:39,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:40,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:40,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:40,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:40,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:07:40,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:07:40,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:07:40,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:07:40,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 18:07:40,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:07:40,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:07:40,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:07:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8232ac44-8f2f-44be-a9c8-0b6ef2e62416/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:07:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-25 18:07:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-25 18:07:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 18:07:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 18:07:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-25 18:07:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-25 18:07:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-25 18:07:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-25 18:07:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:07:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:07:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:07:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:07:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 18:07:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 18:07:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-25 18:07:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-25 18:07:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-25 18:07:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-25 18:07:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-25 18:07:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-25 18:07:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-25 18:07:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-25 18:07:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:07:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:07:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-25 18:07:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-25 18:07:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:07:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:07:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-25 18:07:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-25 18:07:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-25 18:07:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-25 18:07:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-25 18:07:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-25 18:07:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-25 18:07:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-25 18:07:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-25 18:07:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-25 18:07:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-25 18:07:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-25 18:07:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-25 18:07:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-25 18:07:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 18:07:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 18:07:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-25 18:07:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-25 18:07:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-25 18:07:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-25 18:07:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:07:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:07:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:07:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:07:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-25 18:07:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-25 18:07:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:07:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:07:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-25 18:07:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-25 18:07:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:07:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:07:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-25 18:07:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-25 18:07:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-25 18:07:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-25 18:07:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:07:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-25 18:07:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-25 18:07:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-25 18:07:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-25 18:07:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:07:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:07:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:07:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:07:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:07:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:07:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 18:07:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 18:07:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:07:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:07:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 18:07:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 18:07:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:07:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:07:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:07:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:07:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-25 18:07:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-25 18:07:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 18:07:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 18:07:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:07:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-25 18:07:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-25 18:07:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-25 18:07:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-25 18:07:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-25 18:07:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-25 18:07:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-25 18:07:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-25 18:07:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-25 18:07:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-25 18:07:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 18:07:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 18:07:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:07:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:07:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-25 18:07:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-25 18:07:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-25 18:07:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-25 18:07:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:07:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:07:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:07:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:07:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-25 18:07:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-25 18:07:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-25 18:07:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-25 18:07:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 18:07:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 18:07:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-25 18:07:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-25 18:07:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 18:07:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 18:07:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:07:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 18:07:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 18:07:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-25 18:07:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-25 18:07:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:07:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:07:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-25 18:07:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-25 18:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:07:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:07:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-25 18:07:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-25 18:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:07:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:07:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:07:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 18:07:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 18:07:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:07:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:07:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-25 18:07:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-25 18:07:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:07:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:07:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 18:07:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 18:07:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:07:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:07:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:07:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:07:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-25 18:07:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-25 18:07:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 18:07:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 18:07:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-25 18:07:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-25 18:07:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:07:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:07:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-25 18:07:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-25 18:07:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:07:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:07:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:07:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:07:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:07:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-25 18:07:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-25 18:07:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:07:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:07:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-25 18:07:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-25 18:07:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:07:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:07:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:07:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-25 18:07:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-25 18:07:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:07:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:07:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:07:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:07:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:07:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-25 18:07:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-25 18:07:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:07:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:07:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:07:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 18:07:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 18:07:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 18:07:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 18:07:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:07:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:07:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-25 18:07:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-25 18:07:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-25 18:07:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-25 18:07:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-25 18:07:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-25 18:07:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:07:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:07:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-25 18:07:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-25 18:07:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-25 18:07:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-25 18:07:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-25 18:07:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-25 18:07:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:07:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:07:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:07:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:07:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 18:07:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 18:07:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:07:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:07:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-25 18:07:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-25 18:07:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:07:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:07:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-25 18:07:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-25 18:07:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 18:07:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 18:07:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-25 18:07:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-25 18:07:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:07:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:07:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-25 18:07:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-25 18:07:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 18:07:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 18:07:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-25 18:07:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-25 18:07:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-25 18:07:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-25 18:07:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:07:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:07:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-25 18:07:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-25 18:07:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 18:07:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 18:07:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 18:07:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 18:07:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-25 18:07:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-25 18:07:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-25 18:07:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-25 18:07:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 18:07:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 18:07:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-25 18:07:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-25 18:07:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:07:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:07:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:07:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:07:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-25 18:07:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-25 18:07:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:07:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:07:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 18:07:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 18:07:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-25 18:07:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-25 18:07:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-25 18:07:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-25 18:07:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:07:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:07:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:07:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:07:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:07:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 18:07:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 18:07:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:07:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:07:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:07:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:07:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-25 18:07:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-25 18:07:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:07:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:07:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 18:07:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 18:07:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:07:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:07:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:07:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:07:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 18:07:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 18:07:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 18:07:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 18:07:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-25 18:07:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-25 18:07:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:07:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:07:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:07:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:07:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-25 18:07:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-25 18:07:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-25 18:07:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-25 18:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:07:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:07:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-25 18:07:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-25 18:07:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-25 18:07:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-25 18:07:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:07:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:07:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:07:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-25 18:07:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-25 18:07:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-25 18:07:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-25 18:07:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-25 18:07:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-25 18:07:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-25 18:07:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-25 18:07:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:07:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-25 18:07:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-25 18:07:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:07:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:07:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-25 18:07:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-25 18:07:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 18:07:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 18:07:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:07:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:07:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 18:07:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 18:07:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-25 18:07:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-25 18:07:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-25 18:07:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-25 18:07:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:07:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:07:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:07:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:07:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:07:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:07:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:07:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:07:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-25 18:07:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-25 18:07:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-25 18:07:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-25 18:07:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:07:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:07:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-25 18:07:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-25 18:07:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:07:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:07:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-25 18:07:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-25 18:07:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-25 18:07:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-25 18:07:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 18:07:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 18:07:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-25 18:07:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-25 18:07:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-25 18:07:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-25 18:07:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-25 18:07:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-25 18:07:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-25 18:07:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-25 18:07:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-25 18:07:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-25 18:07:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-25 18:07:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-25 18:07:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-25 18:07:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-25 18:07:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-25 18:07:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-25 18:07:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:07:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:07:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 18:07:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 18:07:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-25 18:07:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-25 18:07:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-25 18:07:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-25 18:07:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-25 18:07:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-25 18:07:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:07:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:07:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 18:07:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 18:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:07:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-25 18:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-25 18:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-25 18:07:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 18:07:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-25 18:07:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-25 18:07:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:07:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:07:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-25 18:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 18:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 18:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-25 18:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-25 18:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-25 18:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-25 18:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-25 18:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-25 18:07:42,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:07:42,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:07:42,763 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:20:44,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:20:44,735 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:50,028 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:50,028 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:20:50,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:50 BoogieIcfgContainer [2021-11-25 18:20:50,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:50,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:50,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:50,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:50,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:07:31" (1/3) ... [2021-11-25 18:20:50,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53806ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:50, skipping insertion in model container [2021-11-25 18:20:50,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (2/3) ... [2021-11-25 18:20:50,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53806ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:50, skipping insertion in model container [2021-11-25 18:20:50,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:50" (3/3) ... [2021-11-25 18:20:50,060 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 18:20:50,074 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:50,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:50,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:50,189 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:20:50,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 3297 states, 2023 states have (on average 1.296094908551656) internal successors, (2622), 2067 states have internal predecessors, (2622), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) [2021-11-25 18:20:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-25 18:20:50,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:50,330 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:50,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash -486744864, now seen corresponding path program 1 times [2021-11-25 18:20:50,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587431657] [2021-11-25 18:20:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:50,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-25 18:20:52,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:52,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587431657] [2021-11-25 18:20:52,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587431657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:52,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:52,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:52,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768186655] [2021-11-25 18:20:52,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:52,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:52,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:52,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:52,798 INFO L87 Difference]: Start difference. First operand has 3297 states, 2023 states have (on average 1.296094908551656) internal successors, (2622), 2067 states have internal predecessors, (2622), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 18:20:55,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:20:58,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:05,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:07,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:11,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:11,554 INFO L93 Difference]: Finished difference Result 9774 states and 13936 transitions. [2021-11-25 18:21:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:21:11,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 166 [2021-11-25 18:21:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:11,682 INFO L225 Difference]: With dead ends: 9774 [2021-11-25 18:21:11,682 INFO L226 Difference]: Without dead ends: 6498 [2021-11-25 18:21:11,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:21:11,721 INFO L933 BasicCegarLoop]: 5141 mSDtfsCounter, 4601 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4605 SdHoareTripleChecker+Valid, 9240 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:11,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4605 Valid, 9240 Invalid, 1148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1143 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2021-11-25 18:21:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2021-11-25 18:21:12,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 6497. [2021-11-25 18:21:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6497 states, 3993 states have (on average 1.2952667167543201) internal successors, (5172), 4080 states have internal predecessors, (5172), 2041 states have call successors, (2041), 463 states have call predecessors, (2041), 462 states have return successors, (2043), 2014 states have call predecessors, (2043), 2039 states have call successors, (2043) [2021-11-25 18:21:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9256 transitions. [2021-11-25 18:21:12,365 INFO L78 Accepts]: Start accepts. Automaton has 6497 states and 9256 transitions. Word has length 166 [2021-11-25 18:21:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:12,372 INFO L470 AbstractCegarLoop]: Abstraction has 6497 states and 9256 transitions. [2021-11-25 18:21:12,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 18:21:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 6497 states and 9256 transitions. [2021-11-25 18:21:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-25 18:21:12,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:12,402 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 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] [2021-11-25 18:21:12,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:21:12,403 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:12,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:12,408 INFO L85 PathProgramCache]: Analyzing trace with hash 119650828, now seen corresponding path program 1 times [2021-11-25 18:21:12,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:12,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451628689] [2021-11-25 18:21:12,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:12,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-25 18:21:14,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:14,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451628689] [2021-11-25 18:21:14,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451628689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:14,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:14,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:14,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842450835] [2021-11-25 18:21:14,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:14,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:14,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:14,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:14,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:14,129 INFO L87 Difference]: Start difference. First operand 6497 states and 9256 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:21:16,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:21,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:24,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:28,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:30,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []