./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.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_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/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_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/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_5319ac1f-c0ab-4906-978e-45c18becba20/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 8df8cdcecbcd9cfe2534aee2fc0e32dbabfe9446269b8be84c25324fea03bd5e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:32,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:32,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:32,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:32,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:32,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:32,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:32,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:32,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:32,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:32,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:32,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:32,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:32,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:32,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:32,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:32,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:32,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:32,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:32,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:32,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:32,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:32,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:32,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:32,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:32,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:32,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:32,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:32,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:32,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:32,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:32,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:32,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:32,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:32,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:32,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:32,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:32,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:32,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:32,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:32,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:32,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:32:32,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:32,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:32,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:32,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:32,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:32,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:32,230 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:32,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:32,231 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:32,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:32,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:32,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:32,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:32,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:32,232 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:32,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:32,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:32,233 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:32,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:32,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:32,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:32,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:32,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:32,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:32,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:32,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:32,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:32,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:32,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:32,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:32,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:32,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:32,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:32,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:32,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:32,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:32,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:32,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:32,240 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_5319ac1f-c0ab-4906-978e-45c18becba20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df8cdcecbcd9cfe2534aee2fc0e32dbabfe9446269b8be84c25324fea03bd5e [2021-11-20 23:32:32,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:32,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:32,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:32,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:32,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:32,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-20 23:32:32,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/data/b688cb33a/6b93d531802445f29763486f16cf4842/FLAGc0d2e1d43 [2021-11-20 23:32:33,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:33,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-20 23:32:33,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/data/b688cb33a/6b93d531802445f29763486f16cf4842/FLAGc0d2e1d43 [2021-11-20 23:32:33,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/data/b688cb33a/6b93d531802445f29763486f16cf4842 [2021-11-20 23:32:33,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:33,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:33,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:33,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:33,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:33,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:33,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438ba450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33, skipping insertion in model container [2021-11-20 23:32:33,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:33,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:34,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:43,040 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828687,828700] [2021-11-20 23:32:43,043 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828834,828847] [2021-11-20 23:32:43,044 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828973,828986] [2021-11-20 23:32:43,044 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[829131,829144] [2021-11-20 23:32:43,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:43,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:44,269 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828687,828700] [2021-11-20 23:32:44,270 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828834,828847] [2021-11-20 23:32:44,270 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[828973,828986] [2021-11-20 23:32:44,271 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_5319ac1f-c0ab-4906-978e-45c18becba20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i[829131,829144] [2021-11-20 23:32:44,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:44,664 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:44,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44 WrapperNode [2021-11-20 23:32:44,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:44,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:44,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:44,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:44,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:44,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:45,447 INFO L137 Inliner]: procedures = 728, calls = 7607, calls flagged for inlining = 375, calls inlined = 372, statements flattened = 19536 [2021-11-20 23:32:45,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:45,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:45,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:45,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:45,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:45,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:45,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:45,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:45,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:46,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:46,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:46,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:46,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:46,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:46,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:46,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (1/1) ... [2021-11-20 23:32:46,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:46,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:46,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2021-11-20 23:32:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2021-11-20 23:32:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2021-11-20 23:32:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2021-11-20 23:32:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2021-11-20 23:32:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2021-11-20 23:32:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-20 23:32:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-20 23:32:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2021-11-20 23:32:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2021-11-20 23:32:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-20 23:32:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-20 23:32:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2021-11-20 23:32:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2021-11-20 23:32:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2021-11-20 23:32:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2021-11-20 23:32:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:32:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:32:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:32:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:32:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 23:32:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 23:32:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2021-11-20 23:32:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2021-11-20 23:32:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2021-11-20 23:32:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2021-11-20 23:32:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-20 23:32:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-20 23:32:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-20 23:32:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-20 23:32:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2021-11-20 23:32:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2021-11-20 23:32:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:32:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:32:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2021-11-20 23:32:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2021-11-20 23:32:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2021-11-20 23:32:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2021-11-20 23:32:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 23:32:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 23:32:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2021-11-20 23:32:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2021-11-20 23:32:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 23:32:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 23:32:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2021-11-20 23:32:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2021-11-20 23:32:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2021-11-20 23:32:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2021-11-20 23:32:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2021-11-20 23:32:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2021-11-20 23:32:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-20 23:32:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-20 23:32:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:32:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:32:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 23:32:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 23:32:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:32:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:32:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-20 23:32:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-20 23:32:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-20 23:32:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-20 23:32:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2021-11-20 23:32:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2021-11-20 23:32:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2021-11-20 23:32:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2021-11-20 23:32:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2021-11-20 23:32:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2021-11-20 23:32:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-20 23:32:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-20 23:32:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2021-11-20 23:32:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2021-11-20 23:32:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2021-11-20 23:32:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2021-11-20 23:32:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:32:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:32:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2021-11-20 23:32:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2021-11-20 23:32:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2021-11-20 23:32:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2021-11-20 23:32:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2021-11-20 23:32:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2021-11-20 23:32:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2021-11-20 23:32:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2021-11-20 23:32:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2021-11-20 23:32:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2021-11-20 23:32:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2021-11-20 23:32:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2021-11-20 23:32:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2021-11-20 23:32:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2021-11-20 23:32:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2021-11-20 23:32:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2021-11-20 23:32:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 23:32:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 23:32:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:32:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:32:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2021-11-20 23:32:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2021-11-20 23:32:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:32:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:32:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 23:32:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 23:32:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 23:32:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 23:32:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:32:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:32:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 23:32:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 23:32:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2021-11-20 23:32:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2021-11-20 23:32:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 23:32:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 23:32:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-11-20 23:32:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-11-20 23:32:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2021-11-20 23:32:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2021-11-20 23:32:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:32:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:32:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:32:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:32:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 23:32:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 23:32:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2021-11-20 23:32:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2021-11-20 23:32:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2021-11-20 23:32:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2021-11-20 23:32:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 23:32:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 23:32:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 23:32:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 23:32:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-20 23:32:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 23:32:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2021-11-20 23:32:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2021-11-20 23:32:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2021-11-20 23:32:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2021-11-20 23:32:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:32:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:32:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-20 23:32:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-20 23:32:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:32:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:32:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2021-11-20 23:32:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2021-11-20 23:32:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2021-11-20 23:32:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2021-11-20 23:32:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:32:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2021-11-20 23:32:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2021-11-20 23:32:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:32:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:32:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2021-11-20 23:32:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2021-11-20 23:32:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:32:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:32:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-20 23:32:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-20 23:32:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:32:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:32:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:32:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:32:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2021-11-20 23:32:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2021-11-20 23:32:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2021-11-20 23:32:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2021-11-20 23:32:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:32:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:32:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2021-11-20 23:32:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2021-11-20 23:32:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:32:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:32:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2021-11-20 23:32:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2021-11-20 23:32:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-20 23:32:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-20 23:32:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 23:32:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 23:32:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2021-11-20 23:32:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2021-11-20 23:32:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2021-11-20 23:32:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2021-11-20 23:32:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 23:32:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 23:32:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2021-11-20 23:32:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2021-11-20 23:32:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2021-11-20 23:32:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2021-11-20 23:32:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2021-11-20 23:32:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2021-11-20 23:32:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:32:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:32:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 23:32:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 23:32:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2021-11-20 23:32:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2021-11-20 23:32:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2021-11-20 23:32:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2021-11-20 23:32:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2021-11-20 23:32:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2021-11-20 23:32:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 23:32:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 23:32:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2021-11-20 23:32:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2021-11-20 23:32:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2021-11-20 23:32:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2021-11-20 23:32:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2021-11-20 23:32:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2021-11-20 23:32:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:32:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:32:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:32:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:32:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:32:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-20 23:32:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-20 23:32:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:32:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:32:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2021-11-20 23:32:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2021-11-20 23:32:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:32:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:32:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:32:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:32:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2021-11-20 23:32:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2021-11-20 23:32:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:32:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:32:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:32:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:32:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:32:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:32:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 23:32:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 23:32:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 23:32:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 23:32:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2021-11-20 23:32:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2021-11-20 23:32:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2021-11-20 23:32:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2021-11-20 23:32:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2021-11-20 23:32:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2021-11-20 23:32:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:32:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:32:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 23:32:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 23:32:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 23:32:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 23:32:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2021-11-20 23:32:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2021-11-20 23:32:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2021-11-20 23:32:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2021-11-20 23:32:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2021-11-20 23:32:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2021-11-20 23:32:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2021-11-20 23:32:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2021-11-20 23:32:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2021-11-20 23:32:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2021-11-20 23:32:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2021-11-20 23:32:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2021-11-20 23:32:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2021-11-20 23:32:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2021-11-20 23:32:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 23:32:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 23:32:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 23:32:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 23:32:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2021-11-20 23:32:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2021-11-20 23:32:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2021-11-20 23:32:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2021-11-20 23:32:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 23:32:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 23:32:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 23:32:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 23:32:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2021-11-20 23:32:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2021-11-20 23:32:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-20 23:32:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-20 23:32:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 23:32:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 23:32:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2021-11-20 23:32:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2021-11-20 23:32:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2021-11-20 23:32:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2021-11-20 23:32:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2021-11-20 23:32:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2021-11-20 23:32:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2021-11-20 23:32:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2021-11-20 23:32:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:32:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:32:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 23:32:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 23:32:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2021-11-20 23:32:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2021-11-20 23:32:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2021-11-20 23:32:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2021-11-20 23:32:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2021-11-20 23:32:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2021-11-20 23:32:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2021-11-20 23:32:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2021-11-20 23:32:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-20 23:32:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-20 23:32:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2021-11-20 23:32:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2021-11-20 23:32:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2021-11-20 23:32:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2021-11-20 23:32:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2021-11-20 23:32:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2021-11-20 23:32:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 23:32:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 23:32:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2021-11-20 23:32:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2021-11-20 23:32:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2021-11-20 23:32:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2021-11-20 23:32:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2021-11-20 23:32:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2021-11-20 23:32:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:32:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:32:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:32:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:32:46,873 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 23:32:46,873 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 23:32:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2021-11-20 23:32:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2021-11-20 23:32:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 23:32:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 23:32:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2021-11-20 23:32:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2021-11-20 23:32:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 23:32:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 23:32:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:32:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:32:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-20 23:32:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-20 23:32:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2021-11-20 23:32:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2021-11-20 23:32:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:32:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_30 [2021-11-20 23:32:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_30 [2021-11-20 23:32:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2021-11-20 23:32:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2021-11-20 23:32:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 23:32:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 23:32:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2021-11-20 23:32:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2021-11-20 23:32:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:32:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:32:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-20 23:32:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-20 23:32:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-20 23:32:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-20 23:32:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2021-11-20 23:32:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2021-11-20 23:32:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2021-11-20 23:32:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2021-11-20 23:32:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2021-11-20 23:32:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2021-11-20 23:32:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-20 23:32:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-20 23:32:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:32:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:32:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 23:32:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 23:32:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-20 23:32:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-20 23:32:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:32:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:32:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 23:32:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 23:32:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2021-11-20 23:32:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2021-11-20 23:32:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2021-11-20 23:32:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2021-11-20 23:32:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2021-11-20 23:32:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2021-11-20 23:32:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 23:32:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 23:32:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2021-11-20 23:32:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2021-11-20 23:32:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 23:32:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 23:32:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 23:32:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 23:32:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2021-11-20 23:32:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2021-11-20 23:32:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:32:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:32:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2021-11-20 23:32:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2021-11-20 23:32:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 23:32:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 23:32:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:32:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:32:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:32:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:32:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:32:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2021-11-20 23:32:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2021-11-20 23:32:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2021-11-20 23:32:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2021-11-20 23:32:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2021-11-20 23:32:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2021-11-20 23:32:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2021-11-20 23:32:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2021-11-20 23:32:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2021-11-20 23:32:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2021-11-20 23:32:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:32:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:32:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:32:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2021-11-20 23:32:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2021-11-20 23:32:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2021-11-20 23:32:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2021-11-20 23:32:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2021-11-20 23:32:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2021-11-20 23:32:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:32:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:32:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 23:32:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 23:32:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 23:32:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 23:32:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-20 23:32:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-20 23:32:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:32:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:32:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 23:32:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 23:32:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:32:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:32:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2021-11-20 23:32:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2021-11-20 23:32:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2021-11-20 23:32:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2021-11-20 23:32:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 23:32:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 23:32:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2021-11-20 23:32:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2021-11-20 23:32:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2021-11-20 23:32:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2021-11-20 23:32:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:32:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:32:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2021-11-20 23:32:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2021-11-20 23:32:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2021-11-20 23:32:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2021-11-20 23:32:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2021-11-20 23:32:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2021-11-20 23:32:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2021-11-20 23:32:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2021-11-20 23:32:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:32:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:32:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2021-11-20 23:32:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2021-11-20 23:32:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-20 23:32:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-20 23:32:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2021-11-20 23:32:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2021-11-20 23:32:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2021-11-20 23:32:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2021-11-20 23:32:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 23:32:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 23:32:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 23:32:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 23:32:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:32:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:32:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 23:32:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 23:32:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2021-11-20 23:32:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2021-11-20 23:32:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-11-20 23:32:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-11-20 23:32:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-20 23:32:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-20 23:32:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2021-11-20 23:32:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2021-11-20 23:32:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-20 23:32:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-20 23:32:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:32:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:32:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2021-11-20 23:32:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2021-11-20 23:32:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:32:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:32:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2021-11-20 23:32:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2021-11-20 23:32:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2021-11-20 23:32:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2021-11-20 23:32:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-20 23:32:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-20 23:32:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:32:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:32:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2021-11-20 23:32:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2021-11-20 23:32:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2021-11-20 23:32:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2021-11-20 23:32:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-20 23:32:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-20 23:32:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:32:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:32:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_32 [2021-11-20 23:32:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_32 [2021-11-20 23:32:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-20 23:32:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-20 23:32:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 23:32:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 23:32:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-20 23:32:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-20 23:32:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2021-11-20 23:32:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2021-11-20 23:32:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-20 23:32:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-20 23:32:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2021-11-20 23:32:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2021-11-20 23:32:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2021-11-20 23:32:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2021-11-20 23:32:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2021-11-20 23:32:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2021-11-20 23:32:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 23:32:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 23:32:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2021-11-20 23:32:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2021-11-20 23:32:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2021-11-20 23:32:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2021-11-20 23:32:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2021-11-20 23:32:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2021-11-20 23:32:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-20 23:32:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-20 23:32:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2021-11-20 23:32:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2021-11-20 23:32:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 23:32:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 23:32:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2021-11-20 23:32:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2021-11-20 23:32:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-20 23:32:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-20 23:32:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2021-11-20 23:32:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2021-11-20 23:32:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2021-11-20 23:32:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2021-11-20 23:32:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-20 23:32:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-20 23:32:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:32:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:32:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2021-11-20 23:32:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2021-11-20 23:32:46,899 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 23:32:46,899 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 23:32:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2021-11-20 23:32:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2021-11-20 23:32:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2021-11-20 23:32:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2021-11-20 23:32:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:32:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:32:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 23:32:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 23:32:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:32:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:32:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 23:32:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 23:32:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2021-11-20 23:32:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2021-11-20 23:32:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2021-11-20 23:32:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2021-11-20 23:32:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2021-11-20 23:32:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2021-11-20 23:32:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2021-11-20 23:32:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2021-11-20 23:32:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2021-11-20 23:32:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2021-11-20 23:32:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-20 23:32:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-20 23:32:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:32:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:32:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 23:32:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 23:32:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 23:32:49,069 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:49,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:54,022 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:39:50,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:39:50,530 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:39:58,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:39:58,982 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-20 23:39:58,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:39:58 BoogieIcfgContainer [2021-11-20 23:39:58,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:39:58,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:39:58,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:39:58,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:39:58,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:33" (1/3) ... [2021-11-20 23:39:59,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb54172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:39:58, skipping insertion in model container [2021-11-20 23:39:59,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:44" (2/3) ... [2021-11-20 23:39:59,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb54172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:39:59, skipping insertion in model container [2021-11-20 23:39:59,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:39:58" (3/3) ... [2021-11-20 23:39:59,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-20 23:39:59,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:39:59,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:39:59,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:39:59,103 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 23:39:59,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:39:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 4657 states, 2978 states have (on average 1.3495634654130289) internal successors, (4019), 3056 states have internal predecessors, (4019), 1396 states have call successors, (1396), 284 states have call predecessors, (1396), 283 states have return successors, (1387), 1367 states have call predecessors, (1387), 1387 states have call successors, (1387) [2021-11-20 23:39:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-20 23:39:59,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:39:59,261 INFO L514 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:39:59,262 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 23:39:59,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:39:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash -335575748, now seen corresponding path program 1 times [2021-11-20 23:39:59,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:39:59,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593381590] [2021-11-20 23:39:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:39:59,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:40:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2021-11-20 23:40:00,846 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:40:00,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593381590] [2021-11-20 23:40:00,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593381590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:40:00,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:40:00,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:40:00,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170822573] [2021-11-20 23:40:00,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:40:00,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:40:00,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:40:00,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:40:00,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:00,916 INFO L87 Difference]: Start difference. First operand has 4657 states, 2978 states have (on average 1.3495634654130289) internal successors, (4019), 3056 states have internal predecessors, (4019), 1396 states have call successors, (1396), 284 states have call predecessors, (1396), 283 states have return successors, (1387), 1367 states have call predecessors, (1387), 1387 states have call successors, (1387) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-20 23:40:03,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:06,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:08,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:12,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:14,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:18,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:24,094 WARN L515 Checker$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 23:40:26,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:28,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:33,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:40:37,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:41,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:43,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:45,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:47,906 WARN L515 Checker$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 23:40:50,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:54,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:57,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:00,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:03,407 INFO L93 Difference]: Finished difference Result 13500 states and 19975 transitions. [2021-11-20 23:41:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:03,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 210 [2021-11-20 23:41:03,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:03,560 INFO L225 Difference]: With dead ends: 13500 [2021-11-20 23:41:03,561 INFO L226 Difference]: Without dead ends: 8867 [2021-11-20 23:41:03,621 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 23:41:03,631 INFO L933 BasicCegarLoop]: 7965 mSDtfsCounter, 6203 mSDsluCounter, 6688 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 11 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6210 SdHoareTripleChecker+Valid, 13843 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:03,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6210 Valid, 13843 Invalid, 1815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1791 Invalid, 13 Unknown, 0 Unchecked, 61.6s Time] [2021-11-20 23:41:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8867 states. [2021-11-20 23:41:04,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8867 to 8863. [2021-11-20 23:41:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8863 states, 5673 states have (on average 1.3451436629649216) internal successors, (7631), 5811 states have internal predecessors, (7631), 2636 states have call successors, (2636), 553 states have call predecessors, (2636), 552 states have return successors, (2636), 2593 states have call predecessors, (2636), 2633 states have call successors, (2636) [2021-11-20 23:41:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8863 states to 8863 states and 12903 transitions. [2021-11-20 23:41:04,754 INFO L78 Accepts]: Start accepts. Automaton has 8863 states and 12903 transitions. Word has length 210 [2021-11-20 23:41:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:04,761 INFO L470 AbstractCegarLoop]: Abstraction has 8863 states and 12903 transitions. [2021-11-20 23:41:04,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-20 23:41:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8863 states and 12903 transitions. [2021-11-20 23:41:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-20 23:41:04,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:04,797 INFO L514 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 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] [2021-11-20 23:41:04,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:41:04,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:04,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2135021475, now seen corresponding path program 1 times [2021-11-20 23:41:04,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:04,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036637225] [2021-11-20 23:41:04,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:04,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1408 trivial. 0 not checked. [2021-11-20 23:41:05,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:05,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036637225] [2021-11-20 23:41:05,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036637225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:05,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:05,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:41:05,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205062388] [2021-11-20 23:41:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:05,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:41:05,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:05,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:41:05,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:05,817 INFO L87 Difference]: Start difference. First operand 8863 states and 12903 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 23:41:08,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:11,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:13,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:20,873 WARN L515 Checker$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 23:41:23,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:28,418 WARN L515 Checker$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 23:41:31,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:32,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:39,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:41:41,507 WARN L515 Checker$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 23:41:43,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:46,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:48,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:50,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:52,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:54,570 WARN L515 Checker$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 23:41:56,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:59,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:02,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:05,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:06,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:07,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:08,052 INFO L93 Difference]: Finished difference Result 22881 states and 33166 transitions. [2021-11-20 23:42:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:42:08,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 237 [2021-11-20 23:42:08,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:08,329 INFO L225 Difference]: With dead ends: 22881 [2021-11-20 23:42:08,329 INFO L226 Difference]: Without dead ends: 14057 [2021-11-20 23:42:08,390 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 23:42:08,392 INFO L933 BasicCegarLoop]: 7744 mSDtfsCounter, 5750 mSDsluCounter, 6681 mSDsCounter, 0 mSdLazyCounter, 1827 mSolverCounterSat, 19 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 13618 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1827 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:08,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5758 Valid, 13618 Invalid, 1859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1827 Invalid, 13 Unknown, 0 Unchecked, 61.5s Time] [2021-11-20 23:42:08,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14057 states. [2021-11-20 23:42:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14057 to 14039. [2021-11-20 23:42:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14039 states, 8989 states have (on average 1.3416397819557238) internal successors, (12060), 9216 states have internal predecessors, (12060), 4104 states have call successors, (4104), 946 states have call predecessors, (4104), 944 states have return successors, (4108), 4027 states have call predecessors, (4108), 4101 states have call successors, (4108) [2021-11-20 23:42:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14039 states to 14039 states and 20272 transitions. [2021-11-20 23:42:09,550 INFO L78 Accepts]: Start accepts. Automaton has 14039 states and 20272 transitions. Word has length 237 [2021-11-20 23:42:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:09,553 INFO L470 AbstractCegarLoop]: Abstraction has 14039 states and 20272 transitions. [2021-11-20 23:42:09,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 23:42:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14039 states and 20272 transitions. [2021-11-20 23:42:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-20 23:42:09,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:09,572 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:42:09,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:42:09,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1191761289, now seen corresponding path program 1 times [2021-11-20 23:42:09,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:42:09,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029033230] [2021-11-20 23:42:09,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:09,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:42:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-20 23:42:10,399 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:42:10,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029033230] [2021-11-20 23:42:10,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029033230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:42:10,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:42:10,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:42:10,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831234668] [2021-11-20 23:42:10,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:10,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:42:10,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:42:10,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:42:10,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:42:10,402 INFO L87 Difference]: Start difference. First operand 14039 states and 20272 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:42:12,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:15,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:18,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:27,804 WARN L515 Checker$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 23:42:30,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:34,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:37,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:41,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:42:43,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:45,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:48,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:50,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:52,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:54,594 WARN L515 Checker$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 23:42:56,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:58,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:01,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:03,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:06,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:08,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:10,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:11,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:11,866 INFO L93 Difference]: Finished difference Result 24428 states and 35613 transitions. [2021-11-20 23:43:11,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:43:11,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 262 [2021-11-20 23:43:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:12,015 INFO L225 Difference]: With dead ends: 24428 [2021-11-20 23:43:12,015 INFO L226 Difference]: Without dead ends: 15801 [2021-11-20 23:43:12,071 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 23:43:12,073 INFO L933 BasicCegarLoop]: 7075 mSDtfsCounter, 884 mSDsluCounter, 6972 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 5 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 13231 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:12,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1178 Valid, 13231 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1828 Invalid, 15 Unknown, 0 Unchecked, 60.9s Time] [2021-11-20 23:43:12,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15801 states. [2021-11-20 23:43:13,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15801 to 14061. [2021-11-20 23:43:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14061 states, 9011 states have (on average 1.3423593385861725) internal successors, (12096), 9238 states have internal predecessors, (12096), 4104 states have call successors, (4104), 946 states have call predecessors, (4104), 944 states have return successors, (4108), 4027 states have call predecessors, (4108), 4101 states have call successors, (4108) [2021-11-20 23:43:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14061 states to 14061 states and 20308 transitions. [2021-11-20 23:43:13,159 INFO L78 Accepts]: Start accepts. Automaton has 14061 states and 20308 transitions. Word has length 262 [2021-11-20 23:43:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:13,160 INFO L470 AbstractCegarLoop]: Abstraction has 14061 states and 20308 transitions. [2021-11-20 23:43:13,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:43:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 14061 states and 20308 transitions. [2021-11-20 23:43:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-20 23:43:13,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:13,176 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:43:13,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:43:13,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:43:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1770231093, now seen corresponding path program 1 times [2021-11-20 23:43:13,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:13,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451198183] [2021-11-20 23:43:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:13,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-20 23:43:13,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:13,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451198183] [2021-11-20 23:43:13,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451198183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:13,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:13,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:43:13,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557460965] [2021-11-20 23:43:13,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:13,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:43:13,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:13,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:43:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:43:13,893 INFO L87 Difference]: Start difference. First operand 14061 states and 20308 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:43:16,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:19,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:21,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:30,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:32,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:35,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:38,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:42,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:44,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:48,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:43:50,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:52,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:55,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:57,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:00,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:01,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:04,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:07,603 WARN L515 Checker$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 23:44:12,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:14,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:14,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:44:14,428 INFO L93 Difference]: Finished difference Result 24456 states and 35653 transitions. [2021-11-20 23:44:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:44:14,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 263 [2021-11-20 23:44:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:44:14,707 INFO L225 Difference]: With dead ends: 24456 [2021-11-20 23:44:14,707 INFO L226 Difference]: Without dead ends: 15807 [2021-11-20 23:44:14,743 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 23:44:14,746 INFO L933 BasicCegarLoop]: 7153 mSDtfsCounter, 872 mSDsluCounter, 7013 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 7 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 13344 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:44:14,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 13344 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1833 Invalid, 15 Unknown, 0 Unchecked, 60.0s Time] [2021-11-20 23:44:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15807 states. [2021-11-20 23:44:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15807 to 14061. [2021-11-20 23:44:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14061 states, 9011 states have (on average 1.3416934857396516) internal successors, (12090), 9238 states have internal predecessors, (12090), 4104 states have call successors, (4104), 946 states have call predecessors, (4104), 944 states have return successors, (4108), 4027 states have call predecessors, (4108), 4101 states have call successors, (4108) [2021-11-20 23:44:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14061 states to 14061 states and 20302 transitions. [2021-11-20 23:44:15,800 INFO L78 Accepts]: Start accepts. Automaton has 14061 states and 20302 transitions. Word has length 263 [2021-11-20 23:44:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:44:15,805 INFO L470 AbstractCegarLoop]: Abstraction has 14061 states and 20302 transitions. [2021-11-20 23:44:15,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:44:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 14061 states and 20302 transitions. [2021-11-20 23:44:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-20 23:44:15,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:44:15,824 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:44:15,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:44:15,825 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:44:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:44:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1000931747, now seen corresponding path program 1 times [2021-11-20 23:44:15,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:44:15,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233973999] [2021-11-20 23:44:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:44:15,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:44:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:44:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-20 23:44:16,489 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:44:16,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233973999] [2021-11-20 23:44:16,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233973999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:44:16,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:44:16,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:44:16,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281499132] [2021-11-20 23:44:16,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:44:16,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:44:16,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:44:16,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:44:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:44:16,492 INFO L87 Difference]: Start difference. First operand 14061 states and 20302 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:44:18,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:21,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:24,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:32,711 WARN L515 Checker$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 23:44:35,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:38,736 WARN L515 Checker$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 23:44:41,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:43,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:48,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:44:50,266 WARN L515 Checker$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 23:44:52,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:55,115 WARN L515 Checker$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 23:44:57,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:59,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:01,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:03,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:10,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:12,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:13,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:45:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:45:13,646 INFO L93 Difference]: Finished difference Result 22712 states and 32868 transitions. [2021-11-20 23:45:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:45:13,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 264 [2021-11-20 23:45:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:45:13,741 INFO L225 Difference]: With dead ends: 22712 [2021-11-20 23:45:13,742 INFO L226 Difference]: Without dead ends: 14063 [2021-11-20 23:45:13,783 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 23:45:13,784 INFO L933 BasicCegarLoop]: 5920 mSDtfsCounter, 0 mSDsluCounter, 6725 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 0 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11828 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:45:13,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11828 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1653 Invalid, 16 Unknown, 0 Unchecked, 56.7s Time] [2021-11-20 23:45:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14063 states. [2021-11-20 23:45:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14063 to 14063. [2021-11-20 23:45:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14063 states, 9013 states have (on average 1.341617663375125) internal successors, (12092), 9240 states have internal predecessors, (12092), 4104 states have call successors, (4104), 946 states have call predecessors, (4104), 944 states have return successors, (4108), 4027 states have call predecessors, (4108), 4101 states have call successors, (4108) [2021-11-20 23:45:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14063 states to 14063 states and 20304 transitions. [2021-11-20 23:45:14,698 INFO L78 Accepts]: Start accepts. Automaton has 14063 states and 20304 transitions. Word has length 264 [2021-11-20 23:45:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:45:14,699 INFO L470 AbstractCegarLoop]: Abstraction has 14063 states and 20304 transitions. [2021-11-20 23:45:14,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 23:45:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14063 states and 20304 transitions. [2021-11-20 23:45:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-20 23:45:14,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:45:14,716 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:45:14,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:45:14,717 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:45:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:45:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1352139490, now seen corresponding path program 1 times [2021-11-20 23:45:14,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:45:14,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428068586] [2021-11-20 23:45:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:45:14,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:45:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:45:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-20 23:45:15,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:45:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428068586] [2021-11-20 23:45:15,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428068586] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:45:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695251387] [2021-11-20 23:45:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:45:15,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:45:15,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:45:15,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:45:15,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5319ac1f-c0ab-4906-978e-45c18becba20/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:45:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:45:18,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 5784 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:45:18,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:45:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2021-11-20 23:45:19,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:45:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-20 23:45:21,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695251387] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:45:21,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [747796866] [2021-11-20 23:45:21,056 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2021-11-20 23:45:21,056 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:45:21,062 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:45:21,069 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:45:21,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs