./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:37,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:37,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:37,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:37,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:37,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:37,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:37,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:37,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:37,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:37,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:37,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:37,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:37,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:37,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:37,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:37,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:37,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:37,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:37,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:37,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:37,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:37,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:37,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:37,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:37,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:37,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:37,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:37,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:37,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:37,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:37,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:37,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:37,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:37,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:37,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:37,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:37,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:37,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:37,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:37,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:37,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:13:37,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:37,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:37,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:37,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:37,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:37,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:37,242 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:37,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:37,242 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:37,242 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:13:37,242 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:37,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:37,243 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:13:37,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:13:37,243 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:37,244 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:13:37,244 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:13:37,244 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:13:37,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:37,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:37,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:37,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:13:37,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:37,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:13:37,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:13:37,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:37,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:13:37,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:37,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:37,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:37,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:37,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:37,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:13:37,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:13:37,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:13:37,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:13:37,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:37,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:37,249 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 [2021-11-20 23:13:37,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:37,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:37,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:37,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:37,648 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:37,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:13:37,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/data/397f5a6e8/086134fd3af14eba9e784d3ad6899f4b/FLAG04ea0ec74 [2021-11-20 23:13:38,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:38,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:13:38,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/data/397f5a6e8/086134fd3af14eba9e784d3ad6899f4b/FLAG04ea0ec74 [2021-11-20 23:13:39,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/data/397f5a6e8/086134fd3af14eba9e784d3ad6899f4b [2021-11-20 23:13:39,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:39,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:39,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:39,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:39,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:39,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:39" (1/1) ... [2021-11-20 23:13:39,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@daad0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:39, skipping insertion in model container [2021-11-20 23:13:39,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:39" (1/1) ... [2021-11-20 23:13:39,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:39,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:44,884 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-11-20 23:13:44,887 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-11-20 23:13:44,888 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-11-20 23:13:44,888 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-11-20 23:13:44,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:45,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:13:45,970 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-11-20 23:13:45,971 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-11-20 23:13:45,972 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-11-20 23:13:45,972 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_341c9c0e-38f2-4abb-ae96-61d04a62d229/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-11-20 23:13:45,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:46,457 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:13:46,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46 WrapperNode [2021-11-20 23:13:46,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:46,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:46,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:13:46,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:13:46,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,059 INFO L137 Inliner]: procedures = 663, calls = 4929, calls flagged for inlining = 350, calls inlined = 347, statements flattened = 12888 [2021-11-20 23:13:47,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:47,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:13:47,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:13:47,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:13:47,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:13:47,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:13:47,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:13:47,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:13:47,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:47,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:47,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:13:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341c9c0e-38f2-4abb-ae96-61d04a62d229/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:13:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-20 23:13:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-20 23:13:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-20 23:13:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-20 23:13:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-20 23:13:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-20 23:13:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-20 23:13:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-20 23:13:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 23:13:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 23:13:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:13:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:13:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:13:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:13:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-20 23:13:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-20 23:13:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-20 23:13:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-20 23:13:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-20 23:13:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-20 23:13:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-20 23:13:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-20 23:13:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:13:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:13:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-20 23:13:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-20 23:13:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 23:13:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 23:13:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-20 23:13:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-20 23:13:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-20 23:13:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-20 23:13:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-20 23:13:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-20 23:13:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-20 23:13:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-20 23:13:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-20 23:13:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-20 23:13:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-20 23:13:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-20 23:13:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-20 23:13:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-20 23:13:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 23:13:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 23:13:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-20 23:13:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-20 23:13:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-20 23:13:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-20 23:13:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:13:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:13:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:13:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-20 23:13:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-20 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 23:13:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-20 23:13:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-20 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:13:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:13:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-20 23:13:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-20 23:13:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-20 23:13:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-20 23:13:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:13:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-20 23:13:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-20 23:13:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-20 23:13:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-20 23:13:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:13:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:13:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:13:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:13:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 23:13:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 23:13:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 23:13:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 23:13:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 23:13:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 23:13:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:13:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:13:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:13:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:13:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:13:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:13:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-20 23:13:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-20 23:13:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 23:13:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 23:13:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:13:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-20 23:13:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-20 23:13:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-20 23:13:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-20 23:13:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-20 23:13:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-20 23:13:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-20 23:13:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-20 23:13:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-20 23:13:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-20 23:13:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:13:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:13:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 23:13:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 23:13:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-20 23:13:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-20 23:13:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-20 23:13:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-20 23:13:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 23:13:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 23:13:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 23:13:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 23:13:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-20 23:13:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-20 23:13:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-20 23:13:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-20 23:13:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-20 23:13:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-20 23:13:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-20 23:13:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-20 23:13:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-20 23:13:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-20 23:13:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:13:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 23:13:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 23:13:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-20 23:13:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-20 23:13:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:13:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:13:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:13:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:13:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:13:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-20 23:13:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-20 23:13:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:13:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:13:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:13:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:13:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:13:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-20 23:13:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-20 23:13:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:13:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:13:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:13:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:13:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 23:13:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 23:13:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:13:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:13:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-20 23:13:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-20 23:13:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:13:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:13:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 23:13:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 23:13:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:13:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:13:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:13:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:13:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-20 23:13:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-20 23:13:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 23:13:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 23:13:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-20 23:13:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-20 23:13:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-20 23:13:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-20 23:13:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:13:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:13:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:13:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:13:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:13:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-20 23:13:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-20 23:13:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:13:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:13:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-20 23:13:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-20 23:13:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:13:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:13:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:13:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-20 23:13:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-20 23:13:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:13:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:13:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:13:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:13:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:13:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-20 23:13:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-20 23:13:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:13:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:13:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:13:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 23:13:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 23:13:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-20 23:13:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-20 23:13:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-20 23:13:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-20 23:13:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-20 23:13:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-20 23:13:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-20 23:13:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-20 23:13:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:13:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:13:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-20 23:13:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-20 23:13:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-20 23:13:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-20 23:13:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-20 23:13:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-20 23:13:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:13:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:13:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 23:13:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 23:13:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 23:13:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 23:13:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:13:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:13:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:13:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:13:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 23:13:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 23:13:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-20 23:13:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-20 23:13:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 23:13:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 23:13:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-20 23:13:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-20 23:13:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:13:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:13:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-20 23:13:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-20 23:13:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 23:13:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 23:13:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-20 23:13:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-20 23:13:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-20 23:13:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-20 23:13:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:13:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:13:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-20 23:13:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-20 23:13:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-20 23:13:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-20 23:13:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 23:13:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 23:13:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-20 23:13:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-20 23:13:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-20 23:13:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-20 23:13:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:13:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:13:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-20 23:13:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-20 23:13:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:13:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:13:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:13:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:13:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-20 23:13:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-20 23:13:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:13:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:13:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 23:13:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 23:13:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-20 23:13:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-20 23:13:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-20 23:13:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-20 23:13:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 23:13:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 23:13:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:13:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:13:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:13:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:13:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:13:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 23:13:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 23:13:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:13:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:13:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:13:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:13:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:13:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:13:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-20 23:13:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-20 23:13:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 23:13:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 23:13:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:13:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:13:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:13:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:13:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:13:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:13:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-20 23:13:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-20 23:13:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 23:13:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 23:13:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 23:13:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 23:13:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-20 23:13:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-20 23:13:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-20 23:13:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-20 23:13:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 23:13:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 23:13:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:13:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:13:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:13:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-20 23:13:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-20 23:13:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-20 23:13:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-20 23:13:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:13:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:13:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:13:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-20 23:13:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-20 23:13:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-20 23:13:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-20 23:13:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-20 23:13:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-20 23:13:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-20 23:13:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-20 23:13:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:13:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-20 23:13:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-20 23:13:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:13:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:13:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-20 23:13:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-20 23:13:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-20 23:13:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-20 23:13:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:13:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:13:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 23:13:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 23:13:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-20 23:13:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-20 23:13:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-20 23:13:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-20 23:13:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:13:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:13:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 23:13:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 23:13:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:13:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:13:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:13:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:13:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-20 23:13:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-20 23:13:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-20 23:13:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-20 23:13:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 23:13:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 23:13:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-20 23:13:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-20 23:13:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:13:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:13:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-20 23:13:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-20 23:13:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-20 23:13:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-20 23:13:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:13:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:13:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:13:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:13:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-20 23:13:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-20 23:13:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-20 23:13:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-20 23:13:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-20 23:13:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-20 23:13:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-20 23:13:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-20 23:13:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-20 23:13:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-20 23:13:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-20 23:13:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-20 23:13:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-20 23:13:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-20 23:13:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 23:13:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 23:13:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:13:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:13:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-20 23:13:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-20 23:13:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-20 23:13:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-20 23:13:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-20 23:13:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-20 23:13:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:13:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:13:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 23:13:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 23:13:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:13:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:13:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:13:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-20 23:13:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-20 23:13:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-20 23:13:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-20 23:13:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-20 23:13:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-20 23:13:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-20 23:13:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-20 23:13:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:13:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:13:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-20 23:13:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-20 23:13:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-20 23:13:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-20 23:13:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-20 23:13:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-20 23:13:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:13:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:13:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-20 23:13:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-20 23:13:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-20 23:13:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-20 23:13:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 23:13:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 23:13:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-20 23:13:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-20 23:13:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 23:13:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 23:13:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-20 23:13:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-20 23:13:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-20 23:13:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-20 23:13:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-20 23:13:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-20 23:13:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-20 23:13:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-20 23:13:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-20 23:13:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-20 23:13:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 23:13:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 23:13:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-20 23:13:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-20 23:13:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 23:13:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 23:13:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 23:13:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 23:13:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-20 23:13:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-20 23:13:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-20 23:13:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-20 23:13:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:13:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:13:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 23:13:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 23:13:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:13:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:13:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-20 23:13:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-20 23:13:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:13:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:13:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 23:13:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 23:13:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-20 23:13:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-20 23:13:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:13:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:13:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:13:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-20 23:13:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-20 23:13:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-20 23:13:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-20 23:13:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:13:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:13:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-20 23:13:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-20 23:13:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-20 23:13:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-20 23:13:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-20 23:13:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-20 23:13:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-20 23:13:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-20 23:13:49,556 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:13:49,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:13:50,033 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:26:21,375 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:26:21,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:26:27,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:26:27,668 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 23:26:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:27 BoogieIcfgContainer [2021-11-20 23:26:27,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:26:27,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:26:27,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:26:27,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:26:27,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:39" (1/3) ... [2021-11-20 23:26:27,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b331ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:27, skipping insertion in model container [2021-11-20 23:26:27,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (2/3) ... [2021-11-20 23:26:27,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b331ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:27, skipping insertion in model container [2021-11-20 23:26:27,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:27" (3/3) ... [2021-11-20 23:26:27,683 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:26:27,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:26:27,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:26:27,761 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:26:27,771 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 [2021-11-20 23:26:27,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:26:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 3303 states, 2028 states have (on average 1.2968441814595661) internal successors, (2630), 2073 states have internal predecessors, (2630), 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) [2021-11-20 23:26:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-20 23:26:27,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:26:27,886 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] [2021-11-20 23:26:27,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:26:27,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:26:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1034840517, now seen corresponding path program 1 times [2021-11-20 23:26:27,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:26:27,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46374191] [2021-11-20 23:26:27,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:26:27,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:26:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:26:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-20 23:26:29,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:26:29,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46374191] [2021-11-20 23:26:29,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46374191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:26:29,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:26:29,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:26:29,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063674802] [2021-11-20 23:26:29,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:26:29,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:26:29,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:26:29,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:26:29,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:26:29,462 INFO L87 Difference]: Start difference. First operand has 3303 states, 2028 states have (on average 1.2968441814595661) internal successors, (2630), 2073 states have internal predecessors, (2630), 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) [2021-11-20 23:26:31,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:34,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:39,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:41,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:46,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:26:46,160 INFO L93 Difference]: Finished difference Result 9792 states and 13960 transitions. [2021-11-20 23:26:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:26:46,163 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 [2021-11-20 23:26:46,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:26:46,238 INFO L225 Difference]: With dead ends: 9792 [2021-11-20 23:26:46,239 INFO L226 Difference]: Without dead ends: 6510 [2021-11-20 23:26:46,264 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 [2021-11-20 23:26:46,267 INFO L933 BasicCegarLoop]: 5147 mSDtfsCounter, 4608 mSDsluCounter, 4668 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:26:46,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4612 Valid, 9253 Invalid, 1148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1143 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2021-11-20 23:26:46,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2021-11-20 23:26:46,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6507. [2021-11-20 23:26:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6507 states, 4002 states have (on average 1.2956021989005497) internal successors, (5185), 4090 states have internal predecessors, (5185), 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) [2021-11-20 23:26:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6507 states to 6507 states and 9269 transitions. [2021-11-20 23:26:46,816 INFO L78 Accepts]: Start accepts. Automaton has 6507 states and 9269 transitions. Word has length 166 [2021-11-20 23:26:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:26:46,821 INFO L470 AbstractCegarLoop]: Abstraction has 6507 states and 9269 transitions. [2021-11-20 23:26:46,822 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) [2021-11-20 23:26:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6507 states and 9269 transitions. [2021-11-20 23:26:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-20 23:26:46,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:26:46,848 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] [2021-11-20 23:26:46,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:26:46,848 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:26:46,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:26:46,850 INFO L85 PathProgramCache]: Analyzing trace with hash -861104593, now seen corresponding path program 1 times [2021-11-20 23:26:46,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:26:46,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107188737] [2021-11-20 23:26:46,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:26:46,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:26:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:26:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-20 23:26:48,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:26:48,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107188737] [2021-11-20 23:26:48,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107188737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:26:48,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:26:48,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:26:48,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337972380] [2021-11-20 23:26:48,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:26:48,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:26:48,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:26:48,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:26:48,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:26:48,004 INFO L87 Difference]: Start difference. First operand 6507 states and 9269 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) [2021-11-20 23:26:50,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:55,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:59,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:01,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:27:04,394 INFO L93 Difference]: Finished difference Result 6634 states and 9423 transitions. [2021-11-20 23:27:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:27:04,395 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 204 [2021-11-20 23:27:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:27:04,452 INFO L225 Difference]: With dead ends: 6634 [2021-11-20 23:27:04,452 INFO L226 Difference]: Without dead ends: 6622 [2021-11-20 23:27:04,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:27:04,460 INFO L933 BasicCegarLoop]: 4143 mSDtfsCounter, 4603 mSDsluCounter, 4880 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4611 SdHoareTripleChecker+Valid, 8417 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:27:04,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4611 Valid, 8417 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1176 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2021-11-20 23:27:04,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2021-11-20 23:27:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 6621. [2021-11-20 23:27:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6621 states, 4071 states have (on average 1.2937853107344632) internal successors, (5267), 4159 states have internal predecessors, (5267), 2065 states have call successors, (2065), 483 states have call predecessors, (2065), 484 states have return successors, (2073), 2039 states have call predecessors, (2073), 2065 states have call successors, (2073) [2021-11-20 23:27:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6621 states to 6621 states and 9405 transitions. [2021-11-20 23:27:04,825 INFO L78 Accepts]: Start accepts. Automaton has 6621 states and 9405 transitions. Word has length 204 [2021-11-20 23:27:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:27:04,827 INFO L470 AbstractCegarLoop]: Abstraction has 6621 states and 9405 transitions. [2021-11-20 23:27:04,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-20 23:27:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 6621 states and 9405 transitions. [2021-11-20 23:27:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-20 23:27:04,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:27:04,839 INFO L514 BasicCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:27:04,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:27:04,840 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:27:04,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:27:04,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1281663136, now seen corresponding path program 1 times [2021-11-20 23:27:04,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:27:04,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493230402] [2021-11-20 23:27:04,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:27:04,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:27:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:27:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2021-11-20 23:27:05,604 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:27:05,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493230402] [2021-11-20 23:27:05,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493230402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:27:05,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:27:05,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:27:05,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642183792] [2021-11-20 23:27:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:27:05,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:27:05,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:27:05,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:27:05,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:27:05,607 INFO L87 Difference]: Start difference. First operand 6621 states and 9405 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 23:27:07,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:11,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:14,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:18,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:24,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:27:24,647 INFO L93 Difference]: Finished difference Result 14396 states and 20339 transitions. [2021-11-20 23:27:24,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:27:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 204 [2021-11-20 23:27:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:27:24,718 INFO L225 Difference]: With dead ends: 14396 [2021-11-20 23:27:24,718 INFO L226 Difference]: Without dead ends: 7806 [2021-11-20 23:27:24,754 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 [2021-11-20 23:27:24,755 INFO L933 BasicCegarLoop]: 5107 mSDtfsCounter, 3045 mSDsluCounter, 4620 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:27:24,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3050 Valid, 9176 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1235 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2021-11-20 23:27:24,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2021-11-20 23:27:25,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 7803. [2021-11-20 23:27:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7803 states, 4802 states have (on average 1.2871720116618075) internal successors, (6181), 4898 states have internal predecessors, (6181), 2380 states have call successors, (2380), 619 states have call predecessors, (2380), 620 states have return successors, (2386), 2350 states have call predecessors, (2386), 2380 states have call successors, (2386) [2021-11-20 23:27:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7803 states to 7803 states and 10947 transitions. [2021-11-20 23:27:25,149 INFO L78 Accepts]: Start accepts. Automaton has 7803 states and 10947 transitions. Word has length 204 [2021-11-20 23:27:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:27:25,151 INFO L470 AbstractCegarLoop]: Abstraction has 7803 states and 10947 transitions. [2021-11-20 23:27:25,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 23:27:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 7803 states and 10947 transitions. [2021-11-20 23:27:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-20 23:27:25,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:27:25,175 INFO L514 BasicCegarLoop]: trace histogram [21, 16, 16, 16, 16, 16, 16, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:27:25,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:27:25,175 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:27:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:27:25,176 INFO L85 PathProgramCache]: Analyzing trace with hash 594590215, now seen corresponding path program 1 times [2021-11-20 23:27:25,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:27:25,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640791914] [2021-11-20 23:27:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:27:25,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:27:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:27:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2021-11-20 23:27:26,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:27:26,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640791914] [2021-11-20 23:27:26,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640791914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:27:26,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:27:26,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:27:26,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495436498] [2021-11-20 23:27:26,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:27:26,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:27:26,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:27:26,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:27:26,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:27:26,027 INFO L87 Difference]: Start difference. First operand 7803 states and 10947 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-20 23:27:28,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:32,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []