./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF --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 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:55,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:55,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:55,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:55,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:55,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:55,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:55,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:55,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:55,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:55,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:55,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:55,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:55,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:55,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:55,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:55,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:55,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:55,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:55,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:55,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:55,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:55,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:55,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:55,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:55,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:55,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:55,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:55,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:55,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:55,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:55,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:55,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:55,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:55,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:55,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:55,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:55,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:55,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:55,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:55,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:55,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:36:55,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:55,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:55,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:55,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:55,239 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:55,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:55,240 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:55,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:36:55,240 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:55,240 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:55,240 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:36:55,241 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:36:55,241 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:55,241 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:36:55,241 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:36:55,241 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:36:55,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:55,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:36:55,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:55,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:55,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:55,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:55,243 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:55,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:55,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:55,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:55,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:55,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:55,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:55,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:55,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:55,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:55,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:36:55,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:36:55,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:55,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:55,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:55,246 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_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2021-11-12 23:36:55,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:55,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:55,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:55,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:55,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:55,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-12 23:36:55,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/0fb3dfd81/c3f3e4a1801d4686ba9941141c1ca22c/FLAGf97501b62 [2021-11-12 23:36:56,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:56,610 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-12 23:36:56,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/0fb3dfd81/c3f3e4a1801d4686ba9941141c1ca22c/FLAGf97501b62 [2021-11-12 23:36:56,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/0fb3dfd81/c3f3e4a1801d4686ba9941141c1ca22c [2021-11-12 23:36:56,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:56,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:56,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:56,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:56,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:56,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:56" (1/1) ... [2021-11-12 23:36:56,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7684e09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:56, skipping insertion in model container [2021-11-12 23:36:56,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:56" (1/1) ... [2021-11-12 23:36:56,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:57,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:59,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:59,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:59,994 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,005 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,006 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,007 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,024 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,033 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,049 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,062 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,062 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,073 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,074 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,106 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,130 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,139 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,168 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,180 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,189 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,214 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,232 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,244 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,245 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,258 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,324 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,347 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,375 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,390 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,399 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,432 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:00,502 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,390 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,393 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,394 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,395 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,395 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,400 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,402 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,403 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,403 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,406 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,406 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,406 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,407 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,407 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,407 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,408 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,408 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,410 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,417 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,421 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,427 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,430 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,440 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,444 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,449 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,452 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,474 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,491 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,495 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,497 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,597 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,615 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,627 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,645 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,655 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,657 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,668 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,678 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,696 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,713 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,728 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,729 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,738 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,756 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,782 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,793 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,795 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,803 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,821 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,839 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,888 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,891 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,893 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,894 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,896 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,938 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,973 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:01,997 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:02,404 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:02,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:04,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-12 23:37:04,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-12 23:37:04,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-12 23:37:04,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-12 23:37:04,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-12 23:37:04,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-12 23:37:04,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-12 23:37:04,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-12 23:37:04,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-12 23:37:04,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-12 23:37:04,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-12 23:37:04,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-12 23:37:04,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-12 23:37:04,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-12 23:37:04,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-12 23:37:04,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-12 23:37:04,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-12 23:37:04,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-12 23:37:04,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-12 23:37:04,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-12 23:37:04,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-12 23:37:04,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-12 23:37:04,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-12 23:37:04,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-12 23:37:04,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-12 23:37:04,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-12 23:37:04,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-12 23:37:04,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-12 23:37:04,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-12 23:37:04,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-12 23:37:04,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-12 23:37:04,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-12 23:37:04,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-12 23:37:04,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-12 23:37:04,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-12 23:37:04,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-12 23:37:04,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-12 23:37:04,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-12 23:37:04,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-12 23:37:04,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-12 23:37:04,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-12 23:37:04,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-12 23:37:04,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-12 23:37:04,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-12 23:37:04,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-12 23:37:04,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-12 23:37:04,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-12 23:37:04,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-12 23:37:04,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-12 23:37:04,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-12 23:37:04,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-12 23:37:04,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-12 23:37:04,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-12 23:37:04,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-12 23:37:04,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-12 23:37:04,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-12 23:37:04,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-12 23:37:04,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-12 23:37:04,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-12 23:37:04,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-12 23:37:04,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-12 23:37:04,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-12 23:37:04,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-12 23:37:04,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-12 23:37:04,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-12 23:37:04,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-12 23:37:04,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-12 23:37:04,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-12 23:37:04,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-12 23:37:04,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-12 23:37:04,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-12 23:37:04,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-12 23:37:04,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-12 23:37:04,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-12 23:37:04,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-12 23:37:04,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-12 23:37:04,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-12 23:37:04,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-12 23:37:04,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-12 23:37:04,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-12 23:37:04,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-12 23:37:04,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-12 23:37:04,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-12 23:37:04,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-12 23:37:04,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-12 23:37:04,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-12 23:37:04,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-12 23:37:04,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-12 23:37:04,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:04,540 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:37:04,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c88eb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:04, skipping insertion in model container [2021-11-12 23:37:04,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:04,543 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:37:04,546 INFO L158 Benchmark]: Toolchain (without parser) took 7610.88ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 53.4MB in the beginning and 135.3MB in the end (delta: -81.9MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2021-11-12 23:37:04,546 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:37:04,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7607.26ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 53.4MB in the beginning and 135.3MB in the end (delta: -81.9MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2021-11-12 23:37:04,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7607.26ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 53.4MB in the beginning and 135.3MB in the end (delta: -81.9MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8265]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF --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 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:06,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:06,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:06,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:06,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:06,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:06,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:06,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:06,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:06,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:06,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:06,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:06,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:06,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:06,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:06,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:06,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:06,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:06,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:06,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:06,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:06,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:06,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:06,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:06,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:06,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:06,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:06,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:06,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:06,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:06,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:06,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:06,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:06,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:06,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:06,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:06,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:06,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:06,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:06,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:06,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:06,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:37:07,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:07,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:07,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:07,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:07,045 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:07,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:07,046 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:07,046 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:07,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:07,047 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:07,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:07,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:07,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:07,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:07,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:07,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:07,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:37:07,050 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:37:07,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:07,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:07,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:07,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:07,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:37:07,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:07,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:07,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:07,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:07,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:07,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:37:07,053 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:37:07,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:07,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:07,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:07,053 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2021-11-12 23:37:07,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:07,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:07,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:07,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:07,516 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:07,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-12 23:37:07,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/67c0033a6/487451bdbac34e34be732a0f7691f146/FLAG65aaa1ea9 [2021-11-12 23:37:08,837 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:08,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-12 23:37:08,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/67c0033a6/487451bdbac34e34be732a0f7691f146/FLAG65aaa1ea9 [2021-11-12 23:37:09,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/data/67c0033a6/487451bdbac34e34be732a0f7691f146 [2021-11-12 23:37:09,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:09,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:09,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:09,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:09,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:09,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:09" (1/1) ... [2021-11-12 23:37:09,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103fc51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:09, skipping insertion in model container [2021-11-12 23:37:09,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:09" (1/1) ... [2021-11-12 23:37:09,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:09,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:13,817 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:13,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:13,919 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:16,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-12 23:37:16,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-12 23:37:16,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-12 23:37:16,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-12 23:37:16,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-12 23:37:16,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-12 23:37:16,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-12 23:37:16,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-12 23:37:16,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-12 23:37:16,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-12 23:37:16,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-12 23:37:16,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-12 23:37:16,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-12 23:37:16,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-12 23:37:16,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-12 23:37:16,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-12 23:37:16,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-12 23:37:16,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-12 23:37:16,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-12 23:37:16,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-12 23:37:16,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-12 23:37:16,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-12 23:37:16,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-12 23:37:16,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-12 23:37:16,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-12 23:37:16,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-12 23:37:16,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-12 23:37:16,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-12 23:37:16,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-12 23:37:16,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-12 23:37:16,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-12 23:37:16,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-12 23:37:16,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-12 23:37:16,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-12 23:37:16,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-12 23:37:16,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-12 23:37:16,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-12 23:37:16,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-12 23:37:16,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-12 23:37:16,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-12 23:37:16,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-12 23:37:16,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-12 23:37:16,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-12 23:37:16,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-12 23:37:16,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-12 23:37:16,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-12 23:37:16,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-12 23:37:16,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-12 23:37:16,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-12 23:37:16,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-12 23:37:16,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-12 23:37:16,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-12 23:37:16,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-12 23:37:16,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-12 23:37:16,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-12 23:37:16,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-12 23:37:16,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-12 23:37:16,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-12 23:37:16,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-12 23:37:16,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-12 23:37:16,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-12 23:37:16,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-12 23:37:16,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-12 23:37:16,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-12 23:37:16,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-12 23:37:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-12 23:37:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-12 23:37:16,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-12 23:37:16,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-12 23:37:16,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-12 23:37:16,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-12 23:37:16,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-12 23:37:16,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-12 23:37:16,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-12 23:37:16,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-12 23:37:16,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-12 23:37:16,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-12 23:37:16,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-12 23:37:16,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-12 23:37:16,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-12 23:37:16,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-12 23:37:16,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-12 23:37:16,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-12 23:37:16,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-12 23:37:16,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-12 23:37:16,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-12 23:37:16,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-12 23:37:16,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-12 23:37:16,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:16,456 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:37:16,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:17,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-12 23:37:17,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-12 23:37:17,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-12 23:37:17,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-12 23:37:17,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-12 23:37:17,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-12 23:37:17,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-12 23:37:17,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-12 23:37:17,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-12 23:37:17,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-12 23:37:17,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-12 23:37:17,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-12 23:37:17,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-12 23:37:17,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-12 23:37:17,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-12 23:37:17,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-12 23:37:17,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-12 23:37:17,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-12 23:37:17,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-12 23:37:17,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-12 23:37:17,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-12 23:37:17,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-12 23:37:17,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-12 23:37:17,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-12 23:37:17,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-12 23:37:17,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-12 23:37:17,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-12 23:37:17,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-12 23:37:17,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-12 23:37:17,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-12 23:37:17,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-12 23:37:17,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-12 23:37:17,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-12 23:37:17,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-12 23:37:17,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-12 23:37:17,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-12 23:37:17,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-12 23:37:17,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-12 23:37:17,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-12 23:37:17,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-12 23:37:17,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-12 23:37:17,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-12 23:37:17,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-12 23:37:17,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-12 23:37:17,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-12 23:37:17,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-12 23:37:17,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-12 23:37:17,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-12 23:37:17,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-12 23:37:17,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-12 23:37:17,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-12 23:37:17,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-12 23:37:17,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-12 23:37:17,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-12 23:37:17,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-12 23:37:17,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-12 23:37:17,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-12 23:37:17,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-12 23:37:17,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-12 23:37:17,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-12 23:37:17,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-12 23:37:17,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-12 23:37:17,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-12 23:37:17,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-12 23:37:17,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-12 23:37:17,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-12 23:37:17,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-12 23:37:17,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-12 23:37:17,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-12 23:37:17,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-12 23:37:17,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-12 23:37:17,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-12 23:37:17,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-12 23:37:17,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-12 23:37:17,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-12 23:37:17,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-12 23:37:17,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-12 23:37:17,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-12 23:37:17,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-12 23:37:17,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-12 23:37:17,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-12 23:37:17,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-12 23:37:17,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-12 23:37:17,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-12 23:37:17,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-12 23:37:17,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-12 23:37:17,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-12 23:37:17,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-12 23:37:17,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:17,447 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:18,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-12 23:37:18,057 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-12 23:37:18,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-12 23:37:18,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-12 23:37:18,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-12 23:37:18,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-12 23:37:18,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-12 23:37:18,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-12 23:37:18,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-12 23:37:18,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-12 23:37:18,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-12 23:37:18,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-12 23:37:18,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-12 23:37:18,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-12 23:37:18,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-12 23:37:18,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-12 23:37:18,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-12 23:37:18,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-12 23:37:18,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-12 23:37:18,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-12 23:37:18,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-12 23:37:18,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-12 23:37:18,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-12 23:37:18,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-12 23:37:18,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-12 23:37:18,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-12 23:37:18,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-12 23:37:18,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-12 23:37:18,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-12 23:37:18,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-12 23:37:18,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-12 23:37:18,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-12 23:37:18,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-12 23:37:18,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-12 23:37:18,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-12 23:37:18,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-12 23:37:18,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-12 23:37:18,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-12 23:37:18,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-12 23:37:18,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-12 23:37:18,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-12 23:37:18,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-12 23:37:18,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-12 23:37:18,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-12 23:37:18,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-12 23:37:18,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-12 23:37:18,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-12 23:37:18,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-12 23:37:18,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-12 23:37:18,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-12 23:37:18,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-12 23:37:18,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-12 23:37:18,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-12 23:37:18,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-12 23:37:18,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-12 23:37:18,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-12 23:37:18,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-12 23:37:18,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-12 23:37:18,100 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-12 23:37:18,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-12 23:37:18,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-12 23:37:18,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-12 23:37:18,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-12 23:37:18,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-12 23:37:18,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-12 23:37:18,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-12 23:37:18,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-12 23:37:18,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-12 23:37:18,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-12 23:37:18,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-12 23:37:18,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-12 23:37:18,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-12 23:37:18,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-12 23:37:18,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-12 23:37:18,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-12 23:37:18,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-12 23:37:18,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-12 23:37:18,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-12 23:37:18,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-12 23:37:18,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-12 23:37:18,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-12 23:37:18,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-12 23:37:18,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-12 23:37:18,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-12 23:37:18,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-12 23:37:18,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-12 23:37:18,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-12 23:37:18,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-12 23:37:18,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:18,660 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:18,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18 WrapperNode [2021-11-12 23:37:18,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:18,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:18,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:18,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:18,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:18,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:19,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:19,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:19,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:19,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:19,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:19,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:19,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:19,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (1/1) ... [2021-11-12 23:37:19,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:19,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:19,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:19,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2021-11-12 23:37:19,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2021-11-12 23:37:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:37:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:37:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:37:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:37:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:37:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:37:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:37:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:37:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-12 23:37:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-12 23:37:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-12 23:37:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-12 23:37:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-12 23:37:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-12 23:37:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-12 23:37:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-12 23:37:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:37:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:37:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-12 23:37:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-12 23:37:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:37:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:37:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:37:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:37:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-12 23:37:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-12 23:37:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:37:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:37:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-12 23:37:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-12 23:37:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-12 23:37:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-12 23:37:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:37:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:37:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:37:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:37:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:37:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:37:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-12 23:37:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-12 23:37:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:37:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:37:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:37:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:37:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-12 23:37:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-12 23:37:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-12 23:37:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-12 23:37:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:37:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:37:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-12 23:37:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-12 23:37:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:37:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:37:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:37:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:37:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:37:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:37:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-12 23:37:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-12 23:37:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-12 23:37:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-12 23:37:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-12 23:37:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-12 23:37:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:37:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:37:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-12 23:37:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-12 23:37:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-12 23:37:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-12 23:37:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-12 23:37:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-12 23:37:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:37:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:37:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:37:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-11-12 23:37:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-11-12 23:37:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-12 23:37:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-12 23:37:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-12 23:37:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-12 23:37:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:37:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:37:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:37:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:37:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-12 23:37:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-12 23:37:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2021-11-12 23:37:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2021-11-12 23:37:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:37:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:37:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-12 23:37:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-12 23:37:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:37:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:37:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:37:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:37:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:37:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-11-12 23:37:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-11-12 23:37:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-12 23:37:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-12 23:37:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:37:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:37:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-12 23:37:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-12 23:37:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-11-12 23:37:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-11-12 23:37:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:37:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:37:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:37:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:37:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:37:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:37:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-12 23:37:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-12 23:37:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:37:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:37:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:37:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:37:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:37:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:37:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-12 23:37:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-12 23:37:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-11-12 23:37:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-11-12 23:37:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 23:37:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 23:37:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-12 23:37:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-12 23:37:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:37:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:37:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-12 23:37:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-12 23:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-12 23:37:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-12 23:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-12 23:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-12 23:37:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-12 23:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-12 23:37:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-12 23:37:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-12 23:37:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-12 23:37:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-12 23:37:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-12 23:37:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:37:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:37:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-12 23:37:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-12 23:37:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-12 23:37:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-12 23:37:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:37:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:37:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:37:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:37:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-12 23:37:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-12 23:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-12 23:37:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-12 23:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-11-12 23:37:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-11-12 23:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-12 23:37:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-12 23:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-11-12 23:37:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-11-12 23:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:37:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-12 23:37:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-12 23:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:37:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:37:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:37:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-12 23:37:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-12 23:37:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-12 23:37:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-12 23:37:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-12 23:37:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-12 23:37:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:37:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:37:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-12 23:37:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-12 23:37:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:37:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:37:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:37:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:37:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-12 23:37:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-12 23:37:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-12 23:37:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-12 23:37:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-12 23:37:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-12 23:37:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:37:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:37:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:37:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:37:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:37:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:37:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-12 23:37:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-12 23:37:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:37:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:37:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:37:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:37:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:37:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:37:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_5 [2021-11-12 23:37:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_5 [2021-11-12 23:37:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_6 [2021-11-12 23:37:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_6 [2021-11-12 23:37:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-12 23:37:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-12 23:37:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-12 23:37:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-12 23:37:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:37:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:37:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-12 23:37:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-12 23:37:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:37:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:37:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-12 23:37:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-12 23:37:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-12 23:37:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-12 23:37:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:37:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:37:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:37:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:37:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:37:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-11-12 23:37:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-11-12 23:37:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:37:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:37:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-11-12 23:37:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-11-12 23:37:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-12 23:37:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-12 23:37:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-12 23:37:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-12 23:37:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:37:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-11-12 23:37:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-11-12 23:37:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-12 23:37:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:37:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:37:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:37:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-12 23:37:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-12 23:37:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:37:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:37:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:37:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:37:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-12 23:37:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-12 23:37:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-12 23:37:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-12 23:37:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 23:37:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 23:37:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-11-12 23:37:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-11-12 23:37:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-12 23:37:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-12 23:37:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-11-12 23:37:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-11-12 23:37:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-12 23:37:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-12 23:37:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-12 23:37:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-12 23:37:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:37:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:37:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:37:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:37:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:37:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-12 23:37:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-12 23:37:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:37:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:37:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 23:37:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 23:37:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:37:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:37:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-12 23:37:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-12 23:37:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:37:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:37:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 23:37:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 23:37:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-12 23:37:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-12 23:37:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-11-12 23:37:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-11-12 23:37:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:37:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:37:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:37:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:37:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-12 23:37:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-12 23:37:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 23:37:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 23:37:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-12 23:37:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-12 23:37:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:37:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:37:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-12 23:37:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-12 23:37:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:37:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:37:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:37:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:37:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:37:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:37:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-12 23:37:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-12 23:37:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-12 23:37:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-12 23:37:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-11-12 23:37:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-11-12 23:37:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-12 23:37:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-12 23:37:23,953 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:38:15,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:38:15,445 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-12 23:38:15,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:38:15 BoogieIcfgContainer [2021-11-12 23:38:15,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:38:15,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:38:15,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:38:15,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:38:15,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:37:09" (1/3) ... [2021-11-12 23:38:15,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756977c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:38:15, skipping insertion in model container [2021-11-12 23:38:15,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:18" (2/3) ... [2021-11-12 23:38:15,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756977c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:38:15, skipping insertion in model container [2021-11-12 23:38:15,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:38:15" (3/3) ... [2021-11-12 23:38:15,459 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-12 23:38:15,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:38:15,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-12 23:38:15,533 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:38:15,539 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 [2021-11-12 23:38:15,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-12 23:38:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) [2021-11-12 23:38:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-12 23:38:15,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:15,652 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:38:15,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:38:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:15,658 INFO L85 PathProgramCache]: Analyzing trace with hash -138798141, now seen corresponding path program 1 times [2021-11-12 23:38:15,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:15,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83640322] [2021-11-12 23:38:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:15,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:15,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:15,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:38:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:24,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 3630 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:38:24,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:25,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:25,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:25,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83640322] [2021-11-12 23:38:25,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83640322] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:25,974 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:25,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:38:25,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496312296] [2021-11-12 23:38:25,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:25,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:38:25,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:38:26,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:38:26,021 INFO L87 Difference]: Start difference. First operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:38:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:26,553 INFO L93 Difference]: Finished difference Result 7941 states and 12219 transitions. [2021-11-12 23:38:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:26,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-12 23:38:26,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:26,626 INFO L225 Difference]: With dead ends: 7941 [2021-11-12 23:38:26,627 INFO L226 Difference]: Without dead ends: 3846 [2021-11-12 23:38:26,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:38:26,685 INFO L933 BasicCegarLoop]: 5750 mSDtfsCounter, 5706 mSDsluCounter, 5748 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5708 SdHoareTripleChecker+Valid, 11498 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:26,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5708 Valid, 11498 Invalid, 2 Unknown, 0 Unchecked, 59.83ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.87ms Time] [2021-11-12 23:38:26,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2021-11-12 23:38:27,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3846. [2021-11-12 23:38:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2070 states have (on average 1.2251207729468598) internal successors, (2536), 2191 states have internal predecessors, (2536), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:38:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5724 transitions. [2021-11-12 23:38:27,273 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5724 transitions. Word has length 64 [2021-11-12 23:38:27,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:27,275 INFO L470 AbstractCegarLoop]: Abstraction has 3846 states and 5724 transitions. [2021-11-12 23:38:27,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:38:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5724 transitions. [2021-11-12 23:38:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 23:38:27,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:27,280 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:38:27,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:38:27,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:27,504 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:38:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:27,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1191926637, now seen corresponding path program 1 times [2021-11-12 23:38:27,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:27,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229089148] [2021-11-12 23:38:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:27,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:27,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:27,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:38:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:36,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 3639 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:38:36,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:37,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:37,514 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:37,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229089148] [2021-11-12 23:38:37,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229089148] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:37,514 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:37,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:38:37,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108010961] [2021-11-12 23:38:37,515 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:37,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:38:37,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:38:37,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:38:37,518 INFO L87 Difference]: Start difference. First operand 3846 states and 5724 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:38:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:37,845 INFO L93 Difference]: Finished difference Result 3846 states and 5724 transitions. [2021-11-12 23:38:37,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:37,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-12 23:38:37,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:37,885 INFO L225 Difference]: With dead ends: 3846 [2021-11-12 23:38:37,886 INFO L226 Difference]: Without dead ends: 3844 [2021-11-12 23:38:37,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:38:37,891 INFO L933 BasicCegarLoop]: 5720 mSDtfsCounter, 5667 mSDsluCounter, 11436 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 17156 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:37,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5669 Valid, 17156 Invalid, 2 Unknown, 0 Unchecked, 44.77ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 16.85ms Time] [2021-11-12 23:38:37,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3844 states. [2021-11-12 23:38:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3844 to 3844. [2021-11-12 23:38:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 2069 states have (on average 1.224746254229096) internal successors, (2534), 2189 states have internal predecessors, (2534), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:38:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5722 transitions. [2021-11-12 23:38:38,226 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5722 transitions. Word has length 70 [2021-11-12 23:38:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:38,231 INFO L470 AbstractCegarLoop]: Abstraction has 3844 states and 5722 transitions. [2021-11-12 23:38:38,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:38:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5722 transitions. [2021-11-12 23:38:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 23:38:38,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:38,234 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:38:38,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 23:38:38,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:38,448 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:38:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:38,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1724015008, now seen corresponding path program 1 times [2021-11-12 23:38:38,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:38,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029177140] [2021-11-12 23:38:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:38,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:38,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:38,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:38:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:47,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 3648 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:38:47,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:47,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:48,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:48,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029177140] [2021-11-12 23:38:48,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029177140] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:48,361 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:48,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:38:48,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032703723] [2021-11-12 23:38:48,361 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:48,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:38:48,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:48,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:38:48,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:38:48,363 INFO L87 Difference]: Start difference. First operand 3844 states and 5722 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:38:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:48,799 INFO L93 Difference]: Finished difference Result 3844 states and 5722 transitions. [2021-11-12 23:38:48,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:48,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-12 23:38:48,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:48,839 INFO L225 Difference]: With dead ends: 3844 [2021-11-12 23:38:48,840 INFO L226 Difference]: Without dead ends: 3842 [2021-11-12 23:38:48,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:38:48,845 INFO L933 BasicCegarLoop]: 5718 mSDtfsCounter, 5659 mSDsluCounter, 11432 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5661 SdHoareTripleChecker+Valid, 17150 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:48,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5661 Valid, 17150 Invalid, 2 Unknown, 0 Unchecked, 42.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.42ms Time] [2021-11-12 23:38:48,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3842 states. [2021-11-12 23:38:49,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3842 to 3842. [2021-11-12 23:38:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2068 states have (on average 1.2243713733075434) internal successors, (2532), 2187 states have internal predecessors, (2532), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:38:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5720 transitions. [2021-11-12 23:38:49,172 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5720 transitions. Word has length 76 [2021-11-12 23:38:49,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:49,172 INFO L470 AbstractCegarLoop]: Abstraction has 3842 states and 5720 transitions. [2021-11-12 23:38:49,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:38:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5720 transitions. [2021-11-12 23:38:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-12 23:38:49,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:49,175 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:38:49,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:49,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:49,376 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:38:49,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1460694827, now seen corresponding path program 1 times [2021-11-12 23:38:49,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:49,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344312198] [2021-11-12 23:38:49,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:49,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:49,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:49,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:49,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:38:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:58,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 3657 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:38:58,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:59,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:38:59,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:59,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344312198] [2021-11-12 23:38:59,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344312198] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:59,573 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:59,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:38:59,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442392121] [2021-11-12 23:38:59,574 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:59,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:38:59,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:59,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:38:59,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:38:59,575 INFO L87 Difference]: Start difference. First operand 3842 states and 5720 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:38:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:59,907 INFO L93 Difference]: Finished difference Result 3842 states and 5720 transitions. [2021-11-12 23:38:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:59,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-12 23:38:59,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:59,948 INFO L225 Difference]: With dead ends: 3842 [2021-11-12 23:38:59,948 INFO L226 Difference]: Without dead ends: 3840 [2021-11-12 23:38:59,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:38:59,956 INFO L933 BasicCegarLoop]: 5716 mSDtfsCounter, 5651 mSDsluCounter, 11428 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5653 SdHoareTripleChecker+Valid, 17144 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.48ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:59,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5653 Valid, 17144 Invalid, 2 Unknown, 0 Unchecked, 47.38ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.48ms Time] [2021-11-12 23:38:59,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-11-12 23:39:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2021-11-12 23:39:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 2067 states have (on average 1.223996129656507) internal successors, (2530), 2185 states have internal predecessors, (2530), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:39:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5718 transitions. [2021-11-12 23:39:00,378 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5718 transitions. Word has length 82 [2021-11-12 23:39:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:00,379 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 5718 transitions. [2021-11-12 23:39:00,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:39:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5718 transitions. [2021-11-12 23:39:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 23:39:00,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:00,382 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:39:00,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:00,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:00,604 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:39:00,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:00,605 INFO L85 PathProgramCache]: Analyzing trace with hash 732518540, now seen corresponding path program 1 times [2021-11-12 23:39:00,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:00,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054007520] [2021-11-12 23:39:00,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:00,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:00,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:00,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:00,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:39:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:09,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 3666 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:09,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:10,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:10,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:10,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054007520] [2021-11-12 23:39:10,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054007520] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:10,715 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:10,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:10,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185725077] [2021-11-12 23:39:10,715 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:10,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:10,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:10,717 INFO L87 Difference]: Start difference. First operand 3840 states and 5718 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:39:11,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:11,043 INFO L93 Difference]: Finished difference Result 3840 states and 5718 transitions. [2021-11-12 23:39:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:11,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-12 23:39:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:11,089 INFO L225 Difference]: With dead ends: 3840 [2021-11-12 23:39:11,089 INFO L226 Difference]: Without dead ends: 3838 [2021-11-12 23:39:11,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:11,095 INFO L933 BasicCegarLoop]: 5714 mSDtfsCounter, 5646 mSDsluCounter, 5712 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5648 SdHoareTripleChecker+Valid, 11426 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:11,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5648 Valid, 11426 Invalid, 2 Unknown, 0 Unchecked, 30.61ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.51ms Time] [2021-11-12 23:39:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-11-12 23:39:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3838. [2021-11-12 23:39:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2066 states have (on average 1.223620522749274) internal successors, (2528), 2183 states have internal predecessors, (2528), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:39:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5716 transitions. [2021-11-12 23:39:11,440 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5716 transitions. Word has length 88 [2021-11-12 23:39:11,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:11,442 INFO L470 AbstractCegarLoop]: Abstraction has 3838 states and 5716 transitions. [2021-11-12 23:39:11,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:39:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5716 transitions. [2021-11-12 23:39:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 23:39:11,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:11,450 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:39:11,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:11,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:11,664 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:39:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:11,665 INFO L85 PathProgramCache]: Analyzing trace with hash 3984054, now seen corresponding path program 1 times [2021-11-12 23:39:11,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:11,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545383517] [2021-11-12 23:39:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:11,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:11,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:11,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:39:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:20,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3675 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:20,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:21,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:21,886 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:21,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545383517] [2021-11-12 23:39:21,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545383517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:21,887 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:21,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:21,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340209222] [2021-11-12 23:39:21,887 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:21,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:21,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:21,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:21,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:21,889 INFO L87 Difference]: Start difference. First operand 3838 states and 5716 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:39:22,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:22,207 INFO L93 Difference]: Finished difference Result 3838 states and 5716 transitions. [2021-11-12 23:39:22,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:22,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-12 23:39:22,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:22,239 INFO L225 Difference]: With dead ends: 3838 [2021-11-12 23:39:22,239 INFO L226 Difference]: Without dead ends: 3836 [2021-11-12 23:39:22,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:22,246 INFO L933 BasicCegarLoop]: 5712 mSDtfsCounter, 5638 mSDsluCounter, 5710 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5640 SdHoareTripleChecker+Valid, 11422 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:22,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5640 Valid, 11422 Invalid, 2 Unknown, 0 Unchecked, 26.72ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.82ms Time] [2021-11-12 23:39:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-11-12 23:39:22,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-11-12 23:39:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2065 states have (on average 1.2232445520581114) internal successors, (2526), 2181 states have internal predecessors, (2526), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:39:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5714 transitions. [2021-11-12 23:39:22,608 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5714 transitions. Word has length 94 [2021-11-12 23:39:22,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:22,609 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5714 transitions. [2021-11-12 23:39:22,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:39:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5714 transitions. [2021-11-12 23:39:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-12 23:39:22,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:22,614 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:39:22,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:22,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:22,836 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:39:22,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:22,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1330678455, now seen corresponding path program 1 times [2021-11-12 23:39:22,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:22,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051549967] [2021-11-12 23:39:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:22,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:22,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:22,843 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:39:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:31,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 3824 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:39:31,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-12 23:39:32,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 23:39:33,859 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:33,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051549967] [2021-11-12 23:39:33,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051549967] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:33,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1756996405] [2021-11-12 23:39:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:33,860 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:33,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:39:33,863 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:39:33,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 23:39:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:36,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 3824 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:39:36,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:39:36,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:39:37,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1756996405] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:37,116 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:39:37,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 23:39:37,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592003426] [2021-11-12 23:39:37,116 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:37,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:39:37,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:37,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:39:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:39:37,118 INFO L87 Difference]: Start difference. First operand 3836 states and 5714 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 23:39:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:37,908 INFO L93 Difference]: Finished difference Result 7647 states and 11393 transitions. [2021-11-12 23:39:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:39:37,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 117 [2021-11-12 23:39:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:37,949 INFO L225 Difference]: With dead ends: 7647 [2021-11-12 23:39:37,949 INFO L226 Difference]: Without dead ends: 3832 [2021-11-12 23:39:37,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:39:37,983 INFO L933 BasicCegarLoop]: 5708 mSDtfsCounter, 5693 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 370.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5693 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.18ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 422.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:37,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5693 Valid, 5708 Invalid, 4 Unknown, 0 Unchecked, 16.18ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 422.47ms Time] [2021-11-12 23:39:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-11-12 23:39:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-11-12 23:39:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2062 states have (on average 1.2225994180407371) internal successors, (2521), 2177 states have internal predecessors, (2521), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:39:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5709 transitions. [2021-11-12 23:39:38,351 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5709 transitions. Word has length 117 [2021-11-12 23:39:38,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:38,352 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5709 transitions. [2021-11-12 23:39:38,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 23:39:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5709 transitions. [2021-11-12 23:39:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 23:39:38,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:38,356 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:39:38,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:38,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:38,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:38,756 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:39:38,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:38,757 INFO L85 PathProgramCache]: Analyzing trace with hash 852479152, now seen corresponding path program 1 times [2021-11-12 23:39:38,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:38,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663859077] [2021-11-12 23:39:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:38,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:38,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:38,776 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:38,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:39:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:47,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 3684 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:47,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:48,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:49,152 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:49,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663859077] [2021-11-12 23:39:49,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663859077] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:49,152 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:49,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:49,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202167728] [2021-11-12 23:39:49,153 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:49,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:49,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:49,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:49,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:49,154 INFO L87 Difference]: Start difference. First operand 3832 states and 5709 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:39:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:49,513 INFO L93 Difference]: Finished difference Result 3832 states and 5709 transitions. [2021-11-12 23:39:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-12 23:39:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:49,541 INFO L225 Difference]: With dead ends: 3832 [2021-11-12 23:39:49,541 INFO L226 Difference]: Without dead ends: 3830 [2021-11-12 23:39:49,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:49,546 INFO L933 BasicCegarLoop]: 5705 mSDtfsCounter, 5625 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5627 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:49,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5627 Valid, 11408 Invalid, 2 Unknown, 0 Unchecked, 27.42ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.30ms Time] [2021-11-12 23:39:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-12 23:39:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2021-11-12 23:39:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2061 states have (on average 1.2222222222222223) internal successors, (2519), 2175 states have internal predecessors, (2519), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:39:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5707 transitions. [2021-11-12 23:39:49,919 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5707 transitions. Word has length 100 [2021-11-12 23:39:49,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:49,920 INFO L470 AbstractCegarLoop]: Abstraction has 3830 states and 5707 transitions. [2021-11-12 23:39:49,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:39:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5707 transitions. [2021-11-12 23:39:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-12 23:39:49,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:49,922 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:39:50,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:50,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:50,136 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:39:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1557945384, now seen corresponding path program 1 times [2021-11-12 23:39:50,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:50,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600628742] [2021-11-12 23:39:50,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:50,141 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:50,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:50,145 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:50,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:39:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:59,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 3833 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:39:59,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-12 23:40:00,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-12 23:40:01,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:01,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600628742] [2021-11-12 23:40:01,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600628742] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:40:01,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1733934808] [2021-11-12 23:40:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:01,233 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:40:01,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:40:01,234 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:40:01,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-12 23:40:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:03,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 3833 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:40:03,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:40:04,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:04,621 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-12 23:40:04,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1733934808] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:04,621 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:04,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 23:40:04,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258072037] [2021-11-12 23:40:04,622 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:04,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:40:04,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:40:04,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:40:04,623 INFO L87 Difference]: Start difference. First operand 3830 states and 5707 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:40:05,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:05,301 INFO L93 Difference]: Finished difference Result 7635 states and 11379 transitions. [2021-11-12 23:40:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:40:05,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 123 [2021-11-12 23:40:05,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:05,326 INFO L225 Difference]: With dead ends: 7635 [2021-11-12 23:40:05,327 INFO L226 Difference]: Without dead ends: 3826 [2021-11-12 23:40:05,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:40:05,356 INFO L933 BasicCegarLoop]: 5701 mSDtfsCounter, 5684 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 321.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5684 SdHoareTripleChecker+Valid, 5701 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 375.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:05,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5684 Valid, 5701 Invalid, 4 Unknown, 0 Unchecked, 10.07ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 375.71ms Time] [2021-11-12 23:40:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-12 23:40:05,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-12 23:40:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2058 states have (on average 1.2215743440233235) internal successors, (2514), 2171 states have internal predecessors, (2514), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:40:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5702 transitions. [2021-11-12 23:40:05,743 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5702 transitions. Word has length 123 [2021-11-12 23:40:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:05,744 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5702 transitions. [2021-11-12 23:40:05,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:40:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5702 transitions. [2021-11-12 23:40:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:40:05,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:05,748 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:05,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:05,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:06,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:40:06,164 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:40:06,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:06,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1931350271, now seen corresponding path program 1 times [2021-11-12 23:40:06,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:06,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366270074] [2021-11-12 23:40:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:06,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:06,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:06,172 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:06,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:40:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:15,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 3693 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:16,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:16,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:16,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366270074] [2021-11-12 23:40:16,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366270074] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:16,755 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:16,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:16,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626846409] [2021-11-12 23:40:16,756 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:16,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:16,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:16,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:16,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:16,757 INFO L87 Difference]: Start difference. First operand 3826 states and 5702 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:40:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:17,080 INFO L93 Difference]: Finished difference Result 3826 states and 5702 transitions. [2021-11-12 23:40:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:17,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-12 23:40:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:17,101 INFO L225 Difference]: With dead ends: 3826 [2021-11-12 23:40:17,101 INFO L226 Difference]: Without dead ends: 3824 [2021-11-12 23:40:17,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:17,106 INFO L933 BasicCegarLoop]: 5698 mSDtfsCounter, 5613 mSDsluCounter, 11384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 17082 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:17,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 17082 Invalid, 2 Unknown, 0 Unchecked, 22.44ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.05ms Time] [2021-11-12 23:40:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-12 23:40:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2021-11-12 23:40:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2057 states have (on average 1.2211959163830821) internal successors, (2512), 2169 states have internal predecessors, (2512), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:40:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5700 transitions. [2021-11-12 23:40:17,611 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5700 transitions. Word has length 106 [2021-11-12 23:40:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:17,612 INFO L470 AbstractCegarLoop]: Abstraction has 3824 states and 5700 transitions. [2021-11-12 23:40:17,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:40:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5700 transitions. [2021-11-12 23:40:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:40:17,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:17,614 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:17,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:17,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:17,836 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:40:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:17,837 INFO L85 PathProgramCache]: Analyzing trace with hash -601571452, now seen corresponding path program 1 times [2021-11-12 23:40:17,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:17,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183592639] [2021-11-12 23:40:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:17,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:17,843 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:17,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:40:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:26,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 3696 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:26,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:27,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:28,262 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:28,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183592639] [2021-11-12 23:40:28,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183592639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:28,262 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:28,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:28,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128312471] [2021-11-12 23:40:28,262 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:28,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:28,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:28,264 INFO L87 Difference]: Start difference. First operand 3824 states and 5700 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:40:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:28,554 INFO L93 Difference]: Finished difference Result 3824 states and 5700 transitions. [2021-11-12 23:40:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:28,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-12 23:40:28,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:28,575 INFO L225 Difference]: With dead ends: 3824 [2021-11-12 23:40:28,575 INFO L226 Difference]: Without dead ends: 3822 [2021-11-12 23:40:28,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:28,579 INFO L933 BasicCegarLoop]: 5696 mSDtfsCounter, 5608 mSDsluCounter, 5694 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 11390 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:28,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5610 Valid, 11390 Invalid, 2 Unknown, 0 Unchecked, 14.84ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.13ms Time] [2021-11-12 23:40:28,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-11-12 23:40:29,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2021-11-12 23:40:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2056 states have (on average 1.2208171206225682) internal successors, (2510), 2167 states have internal predecessors, (2510), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:40:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5698 transitions. [2021-11-12 23:40:29,045 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5698 transitions. Word has length 108 [2021-11-12 23:40:29,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:29,046 INFO L470 AbstractCegarLoop]: Abstraction has 3822 states and 5698 transitions. [2021-11-12 23:40:29,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:40:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5698 transitions. [2021-11-12 23:40:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 23:40:29,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:29,049 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:29,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:29,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:29,272 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:40:29,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1457666658, now seen corresponding path program 1 times [2021-11-12 23:40:29,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:29,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019002128] [2021-11-12 23:40:29,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:29,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:29,279 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:29,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:40:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:37,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 3705 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:37,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:39,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:39,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:39,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019002128] [2021-11-12 23:40:39,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019002128] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:39,722 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:39,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:39,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464862341] [2021-11-12 23:40:39,722 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:39,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:39,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:39,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:39,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:39,724 INFO L87 Difference]: Start difference. First operand 3822 states and 5698 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:40:40,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:40,017 INFO L93 Difference]: Finished difference Result 3822 states and 5698 transitions. [2021-11-12 23:40:40,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:40,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-12 23:40:40,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:40,041 INFO L225 Difference]: With dead ends: 3822 [2021-11-12 23:40:40,041 INFO L226 Difference]: Without dead ends: 3820 [2021-11-12 23:40:40,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:40,046 INFO L933 BasicCegarLoop]: 5694 mSDtfsCounter, 5597 mSDsluCounter, 11384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5599 SdHoareTripleChecker+Valid, 17078 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:40,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5599 Valid, 17078 Invalid, 2 Unknown, 0 Unchecked, 18.33ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.38ms Time] [2021-11-12 23:40:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2021-11-12 23:40:40,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3820. [2021-11-12 23:40:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2055 states have (on average 1.2204379562043797) internal successors, (2508), 2165 states have internal predecessors, (2508), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:40:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5696 transitions. [2021-11-12 23:40:40,530 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5696 transitions. Word has length 114 [2021-11-12 23:40:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:40,531 INFO L470 AbstractCegarLoop]: Abstraction has 3820 states and 5696 transitions. [2021-11-12 23:40:40,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:40:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5696 transitions. [2021-11-12 23:40:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 23:40:40,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:40,535 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:40,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:40,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:40,756 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:40:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1064600630, now seen corresponding path program 1 times [2021-11-12 23:40:40,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:40,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235746623] [2021-11-12 23:40:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:40,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:40,764 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:40:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:49,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 3714 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:49,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:50,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:51,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:51,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235746623] [2021-11-12 23:40:51,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235746623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:51,270 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:51,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:51,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795452773] [2021-11-12 23:40:51,270 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:51,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:51,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:51,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:51,271 INFO L87 Difference]: Start difference. First operand 3820 states and 5696 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:40:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:51,601 INFO L93 Difference]: Finished difference Result 3820 states and 5696 transitions. [2021-11-12 23:40:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:51,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-12 23:40:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:51,616 INFO L225 Difference]: With dead ends: 3820 [2021-11-12 23:40:51,616 INFO L226 Difference]: Without dead ends: 3818 [2021-11-12 23:40:51,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:51,619 INFO L933 BasicCegarLoop]: 5692 mSDtfsCounter, 5592 mSDsluCounter, 5690 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:51,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5594 Valid, 11382 Invalid, 2 Unknown, 0 Unchecked, 12.98ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.11ms Time] [2021-11-12 23:40:51,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-11-12 23:40:51,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2021-11-12 23:40:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 2054 states have (on average 1.2200584225900681) internal successors, (2506), 2163 states have internal predecessors, (2506), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:40:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5694 transitions. [2021-11-12 23:40:51,967 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5694 transitions. Word has length 120 [2021-11-12 23:40:51,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:51,968 INFO L470 AbstractCegarLoop]: Abstraction has 3818 states and 5694 transitions. [2021-11-12 23:40:51,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:40:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5694 transitions. [2021-11-12 23:40:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 23:40:51,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:51,970 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:52,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:52,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:52,184 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:40:52,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash 701389151, now seen corresponding path program 1 times [2021-11-12 23:40:52,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:52,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238580983] [2021-11-12 23:40:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:52,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:52,189 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:41:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:00,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 3723 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:00,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:02,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:02,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:02,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238580983] [2021-11-12 23:41:02,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238580983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:02,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:02,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:02,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148350718] [2021-11-12 23:41:02,741 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:02,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:02,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:02,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:02,742 INFO L87 Difference]: Start difference. First operand 3818 states and 5694 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:41:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:03,092 INFO L93 Difference]: Finished difference Result 3818 states and 5694 transitions. [2021-11-12 23:41:03,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:03,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-12 23:41:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:03,107 INFO L225 Difference]: With dead ends: 3818 [2021-11-12 23:41:03,107 INFO L226 Difference]: Without dead ends: 3816 [2021-11-12 23:41:03,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:03,111 INFO L933 BasicCegarLoop]: 5690 mSDtfsCounter, 5584 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 11378 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:03,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5586 Valid, 11378 Invalid, 2 Unknown, 0 Unchecked, 13.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.13ms Time] [2021-11-12 23:41:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2021-11-12 23:41:03,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3816. [2021-11-12 23:41:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 2053 states have (on average 1.2196785192401365) internal successors, (2504), 2161 states have internal predecessors, (2504), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:41:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5692 transitions. [2021-11-12 23:41:03,545 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5692 transitions. Word has length 126 [2021-11-12 23:41:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:03,545 INFO L470 AbstractCegarLoop]: Abstraction has 3816 states and 5692 transitions. [2021-11-12 23:41:03,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:41:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5692 transitions. [2021-11-12 23:41:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-12 23:41:03,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:03,548 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:03,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:03,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:03,749 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:41:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1986578125, now seen corresponding path program 1 times [2021-11-12 23:41:03,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:03,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137598816] [2021-11-12 23:41:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:03,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:03,754 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:41:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:12,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 3732 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:12,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:13,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:14,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:14,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137598816] [2021-11-12 23:41:14,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137598816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:14,447 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:14,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:14,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330504023] [2021-11-12 23:41:14,447 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:14,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:14,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:14,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:14,449 INFO L87 Difference]: Start difference. First operand 3816 states and 5692 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:41:14,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:14,764 INFO L93 Difference]: Finished difference Result 3816 states and 5692 transitions. [2021-11-12 23:41:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:14,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-12 23:41:14,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:14,778 INFO L225 Difference]: With dead ends: 3816 [2021-11-12 23:41:14,778 INFO L226 Difference]: Without dead ends: 3814 [2021-11-12 23:41:14,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:14,781 INFO L933 BasicCegarLoop]: 5688 mSDtfsCounter, 5576 mSDsluCounter, 5686 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 11374 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:14,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5578 Valid, 11374 Invalid, 2 Unknown, 0 Unchecked, 13.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.32ms Time] [2021-11-12 23:41:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2021-11-12 23:41:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2021-11-12 23:41:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2052 states have (on average 1.219298245614035) internal successors, (2502), 2159 states have internal predecessors, (2502), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:41:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5690 transitions. [2021-11-12 23:41:15,310 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5690 transitions. Word has length 132 [2021-11-12 23:41:15,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:15,310 INFO L470 AbstractCegarLoop]: Abstraction has 3814 states and 5690 transitions. [2021-11-12 23:41:15,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:41:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5690 transitions. [2021-11-12 23:41:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-12 23:41:15,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:15,312 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:15,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:15,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:15,513 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:41:15,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:15,513 INFO L85 PathProgramCache]: Analyzing trace with hash -559054727, now seen corresponding path program 1 times [2021-11-12 23:41:15,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:15,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197516415] [2021-11-12 23:41:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:15,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:15,518 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:15,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:41:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:24,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 3741 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:24,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:25,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:26,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:26,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197516415] [2021-11-12 23:41:26,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197516415] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:26,377 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:26,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:26,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860939563] [2021-11-12 23:41:26,377 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:26,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:26,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:26,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:26,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:26,379 INFO L87 Difference]: Start difference. First operand 3814 states and 5690 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:41:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:26,823 INFO L93 Difference]: Finished difference Result 3814 states and 5690 transitions. [2021-11-12 23:41:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:26,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-12 23:41:26,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:26,878 INFO L225 Difference]: With dead ends: 3814 [2021-11-12 23:41:26,878 INFO L226 Difference]: Without dead ends: 3812 [2021-11-12 23:41:26,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:26,880 INFO L933 BasicCegarLoop]: 5686 mSDtfsCounter, 5568 mSDsluCounter, 5684 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5570 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:26,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5570 Valid, 11370 Invalid, 2 Unknown, 0 Unchecked, 17.14ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.07ms Time] [2021-11-12 23:41:26,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-11-12 23:41:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3812. [2021-11-12 23:41:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2051 states have (on average 1.2189176011701608) internal successors, (2500), 2157 states have internal predecessors, (2500), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:41:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5688 transitions. [2021-11-12 23:41:27,226 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5688 transitions. Word has length 138 [2021-11-12 23:41:27,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:27,226 INFO L470 AbstractCegarLoop]: Abstraction has 3812 states and 5688 transitions. [2021-11-12 23:41:27,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:41:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5688 transitions. [2021-11-12 23:41:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-12 23:41:27,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:27,229 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:27,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:27,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:27,440 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:41:27,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:27,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1944765489, now seen corresponding path program 1 times [2021-11-12 23:41:27,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:27,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871488894] [2021-11-12 23:41:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:27,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:27,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:27,445 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:27,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:41:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:36,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:36,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:37,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:38,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:38,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871488894] [2021-11-12 23:41:38,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871488894] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:38,728 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:38,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:41:38,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896723885] [2021-11-12 23:41:38,729 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:38,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:41:38,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:38,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:41:38,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:38,730 INFO L87 Difference]: Start difference. First operand 3812 states and 5688 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:41:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:43,993 INFO L93 Difference]: Finished difference Result 3812 states and 5688 transitions. [2021-11-12 23:41:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:43,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-12 23:41:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:44,007 INFO L225 Difference]: With dead ends: 3812 [2021-11-12 23:41:44,008 INFO L226 Difference]: Without dead ends: 3810 [2021-11-12 23:41:44,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:41:44,011 INFO L933 BasicCegarLoop]: 5684 mSDtfsCounter, 8036 mSDsluCounter, 11364 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 3166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3846.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8038 SdHoareTripleChecker+Valid, 17048 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.12ms SdHoareTripleChecker+Time, 3166 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4736.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:44,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8038 Valid, 17048 Invalid, 3168 Unknown, 0 Unchecked, 40.12ms Time], IncrementalHoareTripleChecker [3166 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4736.13ms Time] [2021-11-12 23:41:44,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2021-11-12 23:41:44,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3810. [2021-11-12 23:41:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2050 states have (on average 1.2185365853658536) internal successors, (2498), 2155 states have internal predecessors, (2498), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:41:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5686 transitions. [2021-11-12 23:41:44,421 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5686 transitions. Word has length 144 [2021-11-12 23:41:44,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:44,421 INFO L470 AbstractCegarLoop]: Abstraction has 3810 states and 5686 transitions. [2021-11-12 23:41:44,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:41:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5686 transitions. [2021-11-12 23:41:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-12 23:41:44,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:44,424 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:41:44,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:44,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:44,625 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:41:44,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:44,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2084237229, now seen corresponding path program 1 times [2021-11-12 23:41:44,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:44,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390178629] [2021-11-12 23:41:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:44,629 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:44,630 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:44,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:41:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:53,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:41:53,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:54,636 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-12 23:41:54,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-12 23:41:55,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:55,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390178629] [2021-11-12 23:41:55,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390178629] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:55,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1332421844] [2021-11-12 23:41:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:55,821 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:55,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:41:55,823 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:41:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-12 23:42:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:05,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:42:05,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-12 23:42:06,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-12 23:42:07,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1332421844] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:07,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:07,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 23:42:07,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040892842] [2021-11-12 23:42:07,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:07,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:42:07,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:07,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:42:07,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:42:07,620 INFO L87 Difference]: Start difference. First operand 3810 states and 5686 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-12 23:42:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:08,427 INFO L93 Difference]: Finished difference Result 7688 states and 11486 transitions. [2021-11-12 23:42:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:42:08,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 171 [2021-11-12 23:42:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:08,449 INFO L225 Difference]: With dead ends: 7688 [2021-11-12 23:42:08,449 INFO L226 Difference]: Without dead ends: 3895 [2021-11-12 23:42:08,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:42:08,476 INFO L933 BasicCegarLoop]: 5821 mSDtfsCounter, 712 mSDsluCounter, 22269 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 28090 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:08,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1009 Valid, 28090 Invalid, 12 Unknown, 0 Unchecked, 49.12ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 87.83ms Time] [2021-11-12 23:42:08,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2021-11-12 23:42:09,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3810. [2021-11-12 23:42:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2050 states have (on average 1.2180487804878048) internal successors, (2497), 2154 states have internal predecessors, (2497), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:42:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5685 transitions. [2021-11-12 23:42:09,092 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5685 transitions. Word has length 171 [2021-11-12 23:42:09,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:09,093 INFO L470 AbstractCegarLoop]: Abstraction has 3810 states and 5685 transitions. [2021-11-12 23:42:09,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-12 23:42:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5685 transitions. [2021-11-12 23:42:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-12 23:42:09,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:09,096 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:09,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:09,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-12 23:42:09,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:09,500 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:42:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash 523499514, now seen corresponding path program 1 times [2021-11-12 23:42:09,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:09,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416069523] [2021-11-12 23:42:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:09,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:09,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:09,505 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:09,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:42:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:18,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 3759 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:42:18,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:42:19,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:42:20,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:20,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416069523] [2021-11-12 23:42:20,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416069523] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:20,221 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:20,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:42:20,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665452240] [2021-11-12 23:42:20,222 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:20,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:42:20,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:20,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:42:20,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:42:20,224 INFO L87 Difference]: Start difference. First operand 3810 states and 5685 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:42:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:20,751 INFO L93 Difference]: Finished difference Result 3810 states and 5685 transitions. [2021-11-12 23:42:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:42:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-12 23:42:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:20,762 INFO L225 Difference]: With dead ends: 3810 [2021-11-12 23:42:20,762 INFO L226 Difference]: Without dead ends: 3808 [2021-11-12 23:42:20,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:42:20,765 INFO L933 BasicCegarLoop]: 5681 mSDtfsCounter, 5548 mSDsluCounter, 11358 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5550 SdHoareTripleChecker+Valid, 17039 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:20,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5550 Valid, 17039 Invalid, 2 Unknown, 0 Unchecked, 24.46ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.86ms Time] [2021-11-12 23:42:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2021-11-12 23:42:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2021-11-12 23:42:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 2049 states have (on average 1.2176671547096145) internal successors, (2495), 2152 states have internal predecessors, (2495), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-12 23:42:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5683 transitions. [2021-11-12 23:42:21,339 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5683 transitions. Word has length 150 [2021-11-12 23:42:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:21,340 INFO L470 AbstractCegarLoop]: Abstraction has 3808 states and 5683 transitions. [2021-11-12 23:42:21,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:42:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5683 transitions. [2021-11-12 23:42:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:42:21,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:21,343 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:42:21,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:21,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:21,560 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:42:21,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:21,560 INFO L85 PathProgramCache]: Analyzing trace with hash -564041770, now seen corresponding path program 1 times [2021-11-12 23:42:21,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:21,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687345483] [2021-11-12 23:42:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:21,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:21,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:21,565 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:21,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:42:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:31,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 3947 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:42:31,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-12 23:42:32,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-12 23:42:34,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:34,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687345483] [2021-11-12 23:42:34,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687345483] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:34,299 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:34,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 18 [2021-11-12 23:42:34,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289988489] [2021-11-12 23:42:34,300 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:34,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:42:34,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:34,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:42:34,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:42:34,301 INFO L87 Difference]: Start difference. First operand 3808 states and 5683 transitions. Second operand has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2021-11-12 23:42:44,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:44,549 INFO L93 Difference]: Finished difference Result 9248 states and 13838 transitions. [2021-11-12 23:42:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-12 23:42:44,549 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 175 [2021-11-12 23:42:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:44,581 INFO L225 Difference]: With dead ends: 9248 [2021-11-12 23:42:44,581 INFO L226 Difference]: Without dead ends: 5460 [2021-11-12 23:42:44,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122 [2021-11-12 23:42:44,606 INFO L933 BasicCegarLoop]: 7204 mSDtfsCounter, 3567 mSDsluCounter, 95380 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 1687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6886.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 102584 SdHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 125.56ms SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7318.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:44,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3849 Valid, 102584 Invalid, 2983 Unknown, 0 Unchecked, 125.56ms Time], IncrementalHoareTripleChecker [1687 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 7318.80ms Time] [2021-11-12 23:42:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5460 states. [2021-11-12 23:42:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5460 to 3823. [2021-11-12 23:42:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2060 states have (on average 1.216504854368932) internal successors, (2506), 2163 states have internal predecessors, (2506), 1599 states have call successors, (1599), 154 states have call predecessors, (1599), 153 states have return successors, (1597), 1553 states have call predecessors, (1597), 1597 states have call successors, (1597) [2021-11-12 23:42:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5702 transitions. [2021-11-12 23:42:45,409 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5702 transitions. Word has length 175 [2021-11-12 23:42:45,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:45,410 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5702 transitions. [2021-11-12 23:42:45,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2021-11-12 23:42:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5702 transitions. [2021-11-12 23:42:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:42:45,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:45,413 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:45,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:45,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:45,628 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:42:45,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:45,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1802360992, now seen corresponding path program 1 times [2021-11-12 23:42:45,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:45,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625069955] [2021-11-12 23:42:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:45,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:45,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:45,636 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:45,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:42:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:54,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 3768 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:42:54,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:42:55,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:42:56,349 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:56,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625069955] [2021-11-12 23:42:56,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625069955] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:56,349 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:56,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:42:56,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126153563] [2021-11-12 23:42:56,350 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:56,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:42:56,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:56,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:42:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:42:56,351 INFO L87 Difference]: Start difference. First operand 3823 states and 5702 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:42:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:57,204 INFO L93 Difference]: Finished difference Result 6366 states and 9614 transitions. [2021-11-12 23:42:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:42:57,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-12 23:42:57,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:57,248 INFO L225 Difference]: With dead ends: 6366 [2021-11-12 23:42:57,249 INFO L226 Difference]: Without dead ends: 6364 [2021-11-12 23:42:57,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:42:57,256 INFO L933 BasicCegarLoop]: 7307 mSDtfsCounter, 5495 mSDsluCounter, 18562 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5497 SdHoareTripleChecker+Valid, 25869 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.97ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:57,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5497 Valid, 25869 Invalid, 8 Unknown, 0 Unchecked, 38.97ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 33.38ms Time] [2021-11-12 23:42:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-11-12 23:42:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 6336. [2021-11-12 23:42:58,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6336 states, 3253 states have (on average 1.2108822625268982) internal successors, (3939), 3414 states have internal predecessors, (3939), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-12 23:42:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 9581 transitions. [2021-11-12 23:42:58,560 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 9581 transitions. Word has length 156 [2021-11-12 23:42:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:58,561 INFO L470 AbstractCegarLoop]: Abstraction has 6336 states and 9581 transitions. [2021-11-12 23:42:58,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:42:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 9581 transitions. [2021-11-12 23:42:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 23:42:58,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:58,564 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:58,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:58,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:58,765 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:42:58,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:58,765 INFO L85 PathProgramCache]: Analyzing trace with hash 976632239, now seen corresponding path program 1 times [2021-11-12 23:42:58,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:58,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19837329] [2021-11-12 23:42:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:58,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:58,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:58,772 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:58,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 23:43:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:07,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 3777 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:07,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:08,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:09,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:09,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19837329] [2021-11-12 23:43:09,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19837329] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:09,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:09,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:09,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023006165] [2021-11-12 23:43:09,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:09,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:09,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:09,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:09,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:09,639 INFO L87 Difference]: Start difference. First operand 6336 states and 9581 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:43:10,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:10,339 INFO L93 Difference]: Finished difference Result 6336 states and 9581 transitions. [2021-11-12 23:43:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-12 23:43:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:10,366 INFO L225 Difference]: With dead ends: 6336 [2021-11-12 23:43:10,366 INFO L226 Difference]: Without dead ends: 6334 [2021-11-12 23:43:10,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:10,372 INFO L933 BasicCegarLoop]: 5677 mSDtfsCounter, 5532 mSDsluCounter, 11350 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5534 SdHoareTripleChecker+Valid, 17027 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.62ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:10,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5534 Valid, 17027 Invalid, 2 Unknown, 0 Unchecked, 21.05ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.62ms Time] [2021-11-12 23:43:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6334 states. [2021-11-12 23:43:11,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6334 to 6334. [2021-11-12 23:43:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 3252 states have (on average 1.210639606396064) internal successors, (3937), 3412 states have internal predecessors, (3937), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-12 23:43:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 9579 transitions. [2021-11-12 23:43:11,211 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 9579 transitions. Word has length 162 [2021-11-12 23:43:11,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:11,212 INFO L470 AbstractCegarLoop]: Abstraction has 6334 states and 9579 transitions. [2021-11-12 23:43:11,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:43:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 9579 transitions. [2021-11-12 23:43:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 23:43:11,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:11,214 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:43:11,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-11-12 23:43:11,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:11,436 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:43:11,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1306178637, now seen corresponding path program 1 times [2021-11-12 23:43:11,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:11,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825825206] [2021-11-12 23:43:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:11,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:11,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:11,441 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:11,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:43:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:20,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 3786 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:20,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:21,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:22,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:22,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825825206] [2021-11-12 23:43:22,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825825206] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:22,582 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:22,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:22,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957389575] [2021-11-12 23:43:22,582 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:22,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:22,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:22,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:22,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:22,584 INFO L87 Difference]: Start difference. First operand 6334 states and 9579 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:43:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:23,288 INFO L93 Difference]: Finished difference Result 6334 states and 9579 transitions. [2021-11-12 23:43:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:23,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-12 23:43:23,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:23,309 INFO L225 Difference]: With dead ends: 6334 [2021-11-12 23:43:23,309 INFO L226 Difference]: Without dead ends: 6332 [2021-11-12 23:43:23,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:23,313 INFO L933 BasicCegarLoop]: 5675 mSDtfsCounter, 5524 mSDsluCounter, 11346 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5526 SdHoareTripleChecker+Valid, 17021 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.80ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:23,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5526 Valid, 17021 Invalid, 2 Unknown, 0 Unchecked, 20.80ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.59ms Time] [2021-11-12 23:43:23,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6332 states. [2021-11-12 23:43:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6332 to 6332. [2021-11-12 23:43:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6332 states, 3251 states have (on average 1.2103968009843125) internal successors, (3935), 3410 states have internal predecessors, (3935), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-12 23:43:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6332 states to 6332 states and 9577 transitions. [2021-11-12 23:43:24,143 INFO L78 Accepts]: Start accepts. Automaton has 6332 states and 9577 transitions. Word has length 168 [2021-11-12 23:43:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:24,144 INFO L470 AbstractCegarLoop]: Abstraction has 6332 states and 9577 transitions. [2021-11-12 23:43:24,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:43:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 6332 states and 9577 transitions. [2021-11-12 23:43:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 23:43:24,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:24,147 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:43:24,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-11-12 23:43:24,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:24,360 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:43:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash 175119306, now seen corresponding path program 1 times [2021-11-12 23:43:24,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:24,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550736455] [2021-11-12 23:43:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:24,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:24,365 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:24,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:43:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:33,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 3795 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:33,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:34,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:35,668 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:35,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550736455] [2021-11-12 23:43:35,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550736455] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:35,668 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:35,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:35,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879732493] [2021-11-12 23:43:35,669 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:35,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:35,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:35,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:35,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:35,670 INFO L87 Difference]: Start difference. First operand 6332 states and 9577 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:43:36,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:36,382 INFO L93 Difference]: Finished difference Result 6332 states and 9577 transitions. [2021-11-12 23:43:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:36,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-12 23:43:36,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:36,402 INFO L225 Difference]: With dead ends: 6332 [2021-11-12 23:43:36,403 INFO L226 Difference]: Without dead ends: 6330 [2021-11-12 23:43:36,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:36,406 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 5516 mSDsluCounter, 11342 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5518 SdHoareTripleChecker+Valid, 17015 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:36,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5518 Valid, 17015 Invalid, 2 Unknown, 0 Unchecked, 20.78ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.18ms Time] [2021-11-12 23:43:36,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2021-11-12 23:43:37,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 6330. [2021-11-12 23:43:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6330 states, 3250 states have (on average 1.2101538461538461) internal successors, (3933), 3408 states have internal predecessors, (3933), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-12 23:43:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 6330 states and 9575 transitions. [2021-11-12 23:43:37,244 INFO L78 Accepts]: Start accepts. Automaton has 6330 states and 9575 transitions. Word has length 174 [2021-11-12 23:43:37,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:37,244 INFO L470 AbstractCegarLoop]: Abstraction has 6330 states and 9575 transitions. [2021-11-12 23:43:37,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:43:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6330 states and 9575 transitions. [2021-11-12 23:43:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-12 23:43:37,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:37,248 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:43:37,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:37,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:37,464 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:43:37,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2030908022, now seen corresponding path program 1 times [2021-11-12 23:43:37,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:37,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434334667] [2021-11-12 23:43:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:37,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:37,472 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:37,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:43:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:46,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 3804 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:46,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:48,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:43:48,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:48,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434334667] [2021-11-12 23:43:48,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434334667] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:48,844 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:48,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:48,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749531802] [2021-11-12 23:43:48,844 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:48,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:48,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:48,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:48,848 INFO L87 Difference]: Start difference. First operand 6330 states and 9575 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:43:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:49,596 INFO L93 Difference]: Finished difference Result 6330 states and 9575 transitions. [2021-11-12 23:43:49,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-12 23:43:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:49,614 INFO L225 Difference]: With dead ends: 6330 [2021-11-12 23:43:49,614 INFO L226 Difference]: Without dead ends: 6137 [2021-11-12 23:43:49,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:49,618 INFO L933 BasicCegarLoop]: 5672 mSDtfsCounter, 5507 mSDsluCounter, 5672 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5507 SdHoareTripleChecker+Valid, 11344 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:49,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5507 Valid, 11344 Invalid, 1 Unknown, 0 Unchecked, 15.28ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 4.42ms Time] [2021-11-12 23:43:49,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2021-11-12 23:43:50,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 6137. [2021-11-12 23:43:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 3132 states have (on average 1.2161558109833972) internal successors, (3809), 3287 states have internal predecessors, (3809), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:43:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 9343 transitions. [2021-11-12 23:43:50,441 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 9343 transitions. Word has length 180 [2021-11-12 23:43:50,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:50,441 INFO L470 AbstractCegarLoop]: Abstraction has 6137 states and 9343 transitions. [2021-11-12 23:43:50,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:43:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 9343 transitions. [2021-11-12 23:43:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-12 23:43:50,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:50,445 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:43:50,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:50,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:50,660 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:43:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2087719067, now seen corresponding path program 1 times [2021-11-12 23:43:50,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:50,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471828629] [2021-11-12 23:43:50,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:50,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:50,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:50,666 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:50,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:44:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:00,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:44:00,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 897 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2021-11-12 23:44:02,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-11-12 23:44:03,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:03,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471828629] [2021-11-12 23:44:03,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471828629] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:03,300 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:03,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:44:03,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900514431] [2021-11-12 23:44:03,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:03,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:44:03,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:44:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:44:03,302 INFO L87 Difference]: Start difference. First operand 6137 states and 9343 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:44:04,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:04,138 INFO L93 Difference]: Finished difference Result 12257 states and 18663 transitions. [2021-11-12 23:44:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:44:04,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 356 [2021-11-12 23:44:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:04,171 INFO L225 Difference]: With dead ends: 12257 [2021-11-12 23:44:04,171 INFO L226 Difference]: Without dead ends: 6139 [2021-11-12 23:44:04,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:44:04,200 INFO L933 BasicCegarLoop]: 5442 mSDtfsCounter, 1 mSDsluCounter, 5436 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.48ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:04,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 10878 Invalid, 7 Unknown, 0 Unchecked, 10.48ms Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 92.36ms Time] [2021-11-12 23:44:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2021-11-12 23:44:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 6138. [2021-11-12 23:44:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6138 states, 3133 states have (on average 1.2160868177465687) internal successors, (3810), 3288 states have internal predecessors, (3810), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:44:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6138 states to 6138 states and 9344 transitions. [2021-11-12 23:44:05,150 INFO L78 Accepts]: Start accepts. Automaton has 6138 states and 9344 transitions. Word has length 356 [2021-11-12 23:44:05,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:05,151 INFO L470 AbstractCegarLoop]: Abstraction has 6138 states and 9344 transitions. [2021-11-12 23:44:05,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:44:05,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6138 states and 9344 transitions. [2021-11-12 23:44:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-12 23:44:05,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:05,155 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:05,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-11-12 23:44:05,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:44:05,365 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:44:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1746040153, now seen corresponding path program 1 times [2021-11-12 23:44:05,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:05,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369125229] [2021-11-12 23:44:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:05,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:05,370 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:05,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:44:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:16,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:44:16,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 897 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2021-11-12 23:44:18,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-11-12 23:44:18,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:18,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369125229] [2021-11-12 23:44:18,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369125229] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:18,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:18,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:44:18,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35534115] [2021-11-12 23:44:18,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:18,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:44:18,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:44:18,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:44:18,989 INFO L87 Difference]: Start difference. First operand 6138 states and 9344 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:44:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:20,799 INFO L93 Difference]: Finished difference Result 12348 states and 18791 transitions. [2021-11-12 23:44:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:44:20,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 356 [2021-11-12 23:44:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:20,834 INFO L225 Difference]: With dead ends: 12348 [2021-11-12 23:44:20,834 INFO L226 Difference]: Without dead ends: 6229 [2021-11-12 23:44:20,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:44:20,866 INFO L933 BasicCegarLoop]: 5530 mSDtfsCounter, 171 mSDsluCounter, 27324 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 633.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 32854 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.48ms SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 687.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:20,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 32854 Invalid, 206 Unknown, 0 Unchecked, 33.48ms Time], IncrementalHoareTripleChecker [97 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 687.41ms Time] [2021-11-12 23:44:20,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2021-11-12 23:44:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 6141. [2021-11-12 23:44:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.2158801020408163) internal successors, (3813), 3291 states have internal predecessors, (3813), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:44:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9347 transitions. [2021-11-12 23:44:21,968 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9347 transitions. Word has length 356 [2021-11-12 23:44:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:21,968 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9347 transitions. [2021-11-12 23:44:21,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:44:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9347 transitions. [2021-11-12 23:44:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-12 23:44:21,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:21,972 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:22,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-12 23:44:22,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:44:22,183 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:44:22,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:22,183 INFO L85 PathProgramCache]: Analyzing trace with hash 157623525, now seen corresponding path program 1 times [2021-11-12 23:44:22,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:22,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925317431] [2021-11-12 23:44:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:22,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:22,188 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:22,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:44:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:35,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 4417 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-12 23:44:35,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-11-12 23:44:37,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-12 23:44:41,606 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:41,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925317431] [2021-11-12 23:44:41,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925317431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:41,606 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:41,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [] total 20 [2021-11-12 23:44:41,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439127948] [2021-11-12 23:44:41,607 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:41,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:44:41,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:41,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:44:41,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:44:41,609 INFO L87 Difference]: Start difference. First operand 6141 states and 9347 transitions. Second operand has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) [2021-11-12 23:44:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:47,136 INFO L93 Difference]: Finished difference Result 12980 states and 19736 transitions. [2021-11-12 23:44:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:44:47,136 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) Word has length 356 [2021-11-12 23:44:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:47,162 INFO L225 Difference]: With dead ends: 12980 [2021-11-12 23:44:47,162 INFO L226 Difference]: Without dead ends: 6858 [2021-11-12 23:44:47,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:44:47,185 INFO L933 BasicCegarLoop]: 6396 mSDtfsCounter, 1337 mSDsluCounter, 56613 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3331.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 63009 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.68ms SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3637.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:47,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 63009 Invalid, 796 Unknown, 0 Unchecked, 67.68ms Time], IncrementalHoareTripleChecker [257 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 3637.02ms Time] [2021-11-12 23:44:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6858 states. [2021-11-12 23:44:48,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6858 to 6141. [2021-11-12 23:44:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.215561224489796) internal successors, (3812), 3291 states have internal predecessors, (3812), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:44:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9346 transitions. [2021-11-12 23:44:48,145 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9346 transitions. Word has length 356 [2021-11-12 23:44:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:48,145 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9346 transitions. [2021-11-12 23:44:48,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) [2021-11-12 23:44:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9346 transitions. [2021-11-12 23:44:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-12 23:44:48,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:48,148 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:48,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-12 23:44:48,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:44:48,349 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:44:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash -987330148, now seen corresponding path program 1 times [2021-11-12 23:44:48,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:48,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432952889] [2021-11-12 23:44:48,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:48,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:48,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:48,354 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:45:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:01,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-12 23:45:01,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 164 proven. 3 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-12 23:45:03,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-12 23:45:05,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:05,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432952889] [2021-11-12 23:45:05,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432952889] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:45:05,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [669899723] [2021-11-12 23:45:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:05,145 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:45:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:45:05,146 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:45:05,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-12 23:45:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:15,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:45:15,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-12 23:45:15,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2021-11-12 23:45:17,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [669899723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:17,018 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:45:17,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [9, 8] total 14 [2021-11-12 23:45:17,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917930451] [2021-11-12 23:45:17,018 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:17,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:45:17,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:17,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:45:17,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:45:17,020 INFO L87 Difference]: Start difference. First operand 6141 states and 9346 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-12 23:45:18,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:18,392 INFO L93 Difference]: Finished difference Result 12976 states and 19729 transitions. [2021-11-12 23:45:18,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:45:18,394 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) Word has length 357 [2021-11-12 23:45:18,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:18,422 INFO L225 Difference]: With dead ends: 12976 [2021-11-12 23:45:18,422 INFO L226 Difference]: Without dead ends: 6854 [2021-11-12 23:45:18,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1426 GetRequests, 1411 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:45:18,447 INFO L933 BasicCegarLoop]: 6441 mSDtfsCounter, 667 mSDsluCounter, 36823 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 43264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:18,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 43264 Invalid, 24 Unknown, 0 Unchecked, 40.77ms Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 177.39ms Time] [2021-11-12 23:45:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2021-11-12 23:45:19,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6141. [2021-11-12 23:45:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.2152423469387754) internal successors, (3811), 3291 states have internal predecessors, (3811), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:45:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9345 transitions. [2021-11-12 23:45:19,469 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9345 transitions. Word has length 357 [2021-11-12 23:45:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:19,469 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9345 transitions. [2021-11-12 23:45:19,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-12 23:45:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9345 transitions. [2021-11-12 23:45:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-12 23:45:19,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:19,473 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:19,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:19,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:19,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:45:19,896 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:45:19,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1456968382, now seen corresponding path program 1 times [2021-11-12 23:45:19,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:19,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25093871] [2021-11-12 23:45:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:19,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:19,903 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:19,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-12 23:45:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:33,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 4419 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-12 23:45:33,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 164 proven. 3 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-12 23:45:34,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-12 23:45:37,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:37,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25093871] [2021-11-12 23:45:37,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25093871] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:45:37,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1347474688] [2021-11-12 23:45:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:37,125 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:45:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:45:37,128 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:45:37,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-12 23:45:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:47,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 4419 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:45:47,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-12 23:45:48,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2021-11-12 23:45:49,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1347474688] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:49,986 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:45:49,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [9, 8] total 14 [2021-11-12 23:45:49,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702606841] [2021-11-12 23:45:49,986 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:49,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:45:49,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:49,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:45:49,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:45:49,988 INFO L87 Difference]: Start difference. First operand 6141 states and 9345 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-12 23:45:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:52,104 INFO L93 Difference]: Finished difference Result 12974 states and 19722 transitions. [2021-11-12 23:45:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:45:52,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) Word has length 358 [2021-11-12 23:45:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:52,224 INFO L225 Difference]: With dead ends: 12974 [2021-11-12 23:45:52,224 INFO L226 Difference]: Without dead ends: 6852 [2021-11-12 23:45:52,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1430 GetRequests, 1415 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:45:52,244 INFO L933 BasicCegarLoop]: 6439 mSDtfsCounter, 1328 mSDsluCounter, 31277 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 609.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 37716 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.62ms SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 735.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:52,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 37716 Invalid, 265 Unknown, 0 Unchecked, 43.62ms Time], IncrementalHoareTripleChecker [242 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 735.36ms Time] [2021-11-12 23:45:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2021-11-12 23:45:53,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6141. [2021-11-12 23:45:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.214923469387755) internal successors, (3810), 3291 states have internal predecessors, (3810), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-12 23:45:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9344 transitions. [2021-11-12 23:45:53,348 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9344 transitions. Word has length 358 [2021-11-12 23:45:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:53,349 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9344 transitions. [2021-11-12 23:45:53,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-12 23:45:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9344 transitions. [2021-11-12 23:45:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-12 23:45:53,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:53,354 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:53,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-12 23:45:53,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:53,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:45:53,764 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:45:53,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:53,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1683672898, now seen corresponding path program 1 times [2021-11-12 23:45:53,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:53,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113669297] [2021-11-12 23:45:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:53,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:53,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:53,770 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:53,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 23:46:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:08,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:46:08,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:46:12,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:46:14,450 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:14,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113669297] [2021-11-12 23:46:14,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113669297] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:14,451 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:14,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:46:14,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909033735] [2021-11-12 23:46:14,451 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:14,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:46:14,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:14,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:46:14,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:46:14,453 INFO L87 Difference]: Start difference. First operand 6141 states and 9344 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:46:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:15,489 INFO L93 Difference]: Finished difference Result 6169 states and 9375 transitions. [2021-11-12 23:46:15,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:46:15,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 360 [2021-11-12 23:46:15,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:15,512 INFO L225 Difference]: With dead ends: 6169 [2021-11-12 23:46:15,512 INFO L226 Difference]: Without dead ends: 6167 [2021-11-12 23:46:15,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:46:15,517 INFO L933 BasicCegarLoop]: 6748 mSDtfsCounter, 5266 mSDsluCounter, 17447 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5267 SdHoareTripleChecker+Valid, 24195 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.18ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:15,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5267 Valid, 24195 Invalid, 17 Unknown, 0 Unchecked, 33.18ms Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 80.84ms Time] [2021-11-12 23:46:15,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6167 states. [2021-11-12 23:46:16,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6167 to 6147. [2021-11-12 23:46:16,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6147 states, 3139 states have (on average 1.2147180630774133) internal successors, (3813), 3295 states have internal predecessors, (3813), 2764 states have call successors, (2764), 239 states have call predecessors, (2764), 238 states have return successors, (2774), 2691 states have call predecessors, (2774), 2764 states have call successors, (2774) [2021-11-12 23:46:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 9351 transitions. [2021-11-12 23:46:16,438 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 9351 transitions. Word has length 360 [2021-11-12 23:46:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:16,438 INFO L470 AbstractCegarLoop]: Abstraction has 6147 states and 9351 transitions. [2021-11-12 23:46:16,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:46:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 9351 transitions. [2021-11-12 23:46:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-12 23:46:16,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:16,442 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:16,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-11-12 23:46:16,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:16,644 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash 534430345, now seen corresponding path program 1 times [2021-11-12 23:46:16,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:16,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152665706] [2021-11-12 23:46:16,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:16,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:16,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:16,651 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:16,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-12 23:46:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 4529 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:46:32,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:46:36,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:46:38,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:38,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152665706] [2021-11-12 23:46:38,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152665706] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:38,951 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:38,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-12 23:46:38,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611780980] [2021-11-12 23:46:38,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:38,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:46:38,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:38,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:46:38,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:46:38,953 INFO L87 Difference]: Start difference. First operand 6147 states and 9351 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 23:46:41,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:47:22,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:22,384 INFO L93 Difference]: Finished difference Result 12674 states and 19120 transitions. [2021-11-12 23:47:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:47:22,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) Word has length 385 [2021-11-12 23:47:22,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:22,426 INFO L225 Difference]: With dead ends: 12674 [2021-11-12 23:47:22,426 INFO L226 Difference]: Without dead ends: 6546 [2021-11-12 23:47:22,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:47:22,458 INFO L933 BasicCegarLoop]: 5460 mSDtfsCounter, 5046 mSDsluCounter, 16029 mSDsCounter, 0 mSdLazyCounter, 6014 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39660.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5049 SdHoareTripleChecker+Valid, 21489 SdHoareTripleChecker+Invalid, 6019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 86.65ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6014 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41735.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:22,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5049 Valid, 21489 Invalid, 6019 Unknown, 0 Unchecked, 86.65ms Time], IncrementalHoareTripleChecker [4 Valid, 6014 Invalid, 1 Unknown, 0 Unchecked, 41735.00ms Time] [2021-11-12 23:47:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6546 states. [2021-11-12 23:47:23,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6546 to 6514. [2021-11-12 23:47:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 3400 states have (on average 1.208235294117647) internal successors, (4108), 3556 states have internal predecessors, (4108), 2808 states have call successors, (2808), 301 states have call predecessors, (2808), 300 states have return successors, (2818), 2735 states have call predecessors, (2818), 2808 states have call successors, (2818) [2021-11-12 23:47:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 9734 transitions. [2021-11-12 23:47:23,951 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 9734 transitions. Word has length 385 [2021-11-12 23:47:23,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:23,951 INFO L470 AbstractCegarLoop]: Abstraction has 6514 states and 9734 transitions. [2021-11-12 23:47:23,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 23:47:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 9734 transitions. [2021-11-12 23:47:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-12 23:47:23,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:23,955 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:24,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-11-12 23:47:24,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:24,157 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:24,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1076229537, now seen corresponding path program 1 times [2021-11-12 23:47:24,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:24,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985916717] [2021-11-12 23:47:24,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:24,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:24,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:24,165 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:24,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-12 23:47:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:40,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 4530 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:47:40,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:47:40,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:47:41,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:41,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985916717] [2021-11-12 23:47:41,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985916717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:41,756 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:41,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-12 23:47:41,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472370603] [2021-11-12 23:47:41,756 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:41,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:47:41,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:41,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:47:41,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:47:41,758 INFO L87 Difference]: Start difference. First operand 6514 states and 9734 transitions. Second operand has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:42,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:42,917 INFO L93 Difference]: Finished difference Result 6546 states and 9770 transitions. [2021-11-12 23:47:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:47:42,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 386 [2021-11-12 23:47:42,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:42,959 INFO L225 Difference]: With dead ends: 6546 [2021-11-12 23:47:42,960 INFO L226 Difference]: Without dead ends: 6544 [2021-11-12 23:47:42,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:47:42,967 INFO L933 BasicCegarLoop]: 5437 mSDtfsCounter, 62 mSDsluCounter, 21741 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 27178 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.22ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:42,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 27178 Invalid, 20 Unknown, 0 Unchecked, 27.22ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 100.04ms Time] [2021-11-12 23:47:42,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-11-12 23:47:44,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 6542. [2021-11-12 23:47:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6542 states, 3424 states have (on average 1.2079439252336448) internal successors, (4136), 3580 states have internal predecessors, (4136), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 302 states have return successors, (2820), 2737 states have call predecessors, (2820), 2810 states have call successors, (2820) [2021-11-12 23:47:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6542 states to 6542 states and 9766 transitions. [2021-11-12 23:47:44,208 INFO L78 Accepts]: Start accepts. Automaton has 6542 states and 9766 transitions. Word has length 386 [2021-11-12 23:47:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:44,208 INFO L470 AbstractCegarLoop]: Abstraction has 6542 states and 9766 transitions. [2021-11-12 23:47:44,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 6542 states and 9766 transitions. [2021-11-12 23:47:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-12 23:47:44,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:44,217 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:44,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:44,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:44,433 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:44,434 INFO L85 PathProgramCache]: Analyzing trace with hash 26514210, now seen corresponding path program 1 times [2021-11-12 23:47:44,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:44,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377175392] [2021-11-12 23:47:44,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:44,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:44,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:44,442 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:44,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-12 23:47:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:00,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 4535 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:48:00,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:48:04,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-12 23:48:06,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:06,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377175392] [2021-11-12 23:48:06,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377175392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:06,654 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:06,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:48:06,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109761178] [2021-11-12 23:48:06,655 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:06,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:48:06,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:48:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:48:06,657 INFO L87 Difference]: Start difference. First operand 6542 states and 9766 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-12 23:48:07,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:07,745 INFO L93 Difference]: Finished difference Result 13051 states and 19530 transitions. [2021-11-12 23:48:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:48:07,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 388 [2021-11-12 23:48:07,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:07,781 INFO L225 Difference]: With dead ends: 13051 [2021-11-12 23:48:07,781 INFO L226 Difference]: Without dead ends: 6528 [2021-11-12 23:48:07,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 772 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:48:07,824 INFO L933 BasicCegarLoop]: 5434 mSDtfsCounter, 5298 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5298 SdHoareTripleChecker+Valid, 5434 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.11ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:07,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5298 Valid, 5434 Invalid, 38 Unknown, 0 Unchecked, 11.11ms Time], IncrementalHoareTripleChecker [37 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 48.03ms Time] [2021-11-12 23:48:07,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2021-11-12 23:48:09,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6528. [2021-11-12 23:48:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6528 states, 3411 states have (on average 1.2052184110231603) internal successors, (4111), 3566 states have internal predecessors, (4111), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 302 states have return successors, (2820), 2737 states have call predecessors, (2820), 2810 states have call successors, (2820) [2021-11-12 23:48:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6528 states to 6528 states and 9741 transitions. [2021-11-12 23:48:09,127 INFO L78 Accepts]: Start accepts. Automaton has 6528 states and 9741 transitions. Word has length 388 [2021-11-12 23:48:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:09,128 INFO L470 AbstractCegarLoop]: Abstraction has 6528 states and 9741 transitions. [2021-11-12 23:48:09,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-12 23:48:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 6528 states and 9741 transitions. [2021-11-12 23:48:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-12 23:48:09,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:09,133 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:09,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:09,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:09,333 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1622960829, now seen corresponding path program 1 times [2021-11-12 23:48:09,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:09,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406472585] [2021-11-12 23:48:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:09,340 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:09,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:09,340 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:09,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-12 23:48:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:26,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 4629 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-12 23:48:26,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2021-11-12 23:48:27,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2095 trivial. 0 not checked. [2021-11-12 23:48:30,920 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:30,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406472585] [2021-11-12 23:48:30,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406472585] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:30,920 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:30,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-12 23:48:30,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994629224] [2021-11-12 23:48:30,921 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:30,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-12 23:48:30,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:30,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-12 23:48:30,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:48:30,922 INFO L87 Difference]: Start difference. First operand 6528 states and 9741 transitions. Second operand has 15 states, 15 states have (on average 8.8) internal successors, (132), 11 states have internal predecessors, (132), 2 states have call successors, (41), 2 states have call predecessors, (41), 6 states have return successors, (40), 6 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:48:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:32,951 INFO L93 Difference]: Finished difference Result 13057 states and 19499 transitions. [2021-11-12 23:48:32,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:48:32,954 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 11 states have internal predecessors, (132), 2 states have call successors, (41), 2 states have call predecessors, (41), 6 states have return successors, (40), 6 states have call predecessors, (40), 2 states have call successors, (40) Word has length 423 [2021-11-12 23:48:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:32,983 INFO L225 Difference]: With dead ends: 13057 [2021-11-12 23:48:32,983 INFO L226 Difference]: Without dead ends: 6548 [2021-11-12 23:48:33,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:48:33,009 INFO L933 BasicCegarLoop]: 5429 mSDtfsCounter, 8 mSDsluCounter, 48851 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 475.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54280 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 164.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 511.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:33,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 54280 Invalid, 70 Unknown, 0 Unchecked, 164.86ms Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 511.38ms Time] [2021-11-12 23:48:33,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2021-11-12 23:48:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6548. [2021-11-12 23:48:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6548 states, 3427 states have (on average 1.2042602859644003) internal successors, (4127), 3582 states have internal predecessors, (4127), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 306 states have return successors, (2826), 2741 states have call predecessors, (2826), 2810 states have call successors, (2826) [2021-11-12 23:48:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 9763 transitions. [2021-11-12 23:48:34,174 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 9763 transitions. Word has length 423 [2021-11-12 23:48:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:34,175 INFO L470 AbstractCegarLoop]: Abstraction has 6548 states and 9763 transitions. [2021-11-12 23:48:34,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 11 states have internal predecessors, (132), 2 states have call successors, (41), 2 states have call predecessors, (41), 6 states have return successors, (40), 6 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:48:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 9763 transitions. [2021-11-12 23:48:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-12 23:48:34,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:34,180 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:34,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:34,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:34,396 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash -324752810, now seen corresponding path program 1 times [2021-11-12 23:48:34,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:34,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686368815] [2021-11-12 23:48:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:34,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:34,404 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-12 23:48:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:49,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 4619 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-12 23:48:49,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 1816 trivial. 0 not checked. [2021-11-12 23:48:53,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 210 proven. 6 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2021-11-12 23:48:57,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:57,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686368815] [2021-11-12 23:48:57,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686368815] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:48:57,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:48:57,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-12 23:48:57,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280673479] [2021-11-12 23:48:57,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:57,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:48:57,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:57,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:48:57,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:48:57,388 INFO L87 Difference]: Start difference. First operand 6548 states and 9763 transitions. Second operand has 13 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (43), 6 states have call predecessors, (43), 5 states have call successors, (43) [2021-11-12 23:49:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:03,027 INFO L93 Difference]: Finished difference Result 13794 states and 20565 transitions. [2021-11-12 23:49:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:49:03,028 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (43), 6 states have call predecessors, (43), 5 states have call successors, (43) Word has length 435 [2021-11-12 23:49:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:03,060 INFO L225 Difference]: With dead ends: 13794 [2021-11-12 23:49:03,060 INFO L226 Difference]: Without dead ends: 7265 [2021-11-12 23:49:03,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:49:03,084 INFO L933 BasicCegarLoop]: 6384 mSDtfsCounter, 670 mSDsluCounter, 43704 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2962.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 50088 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.46ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3153.57ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:03,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 50088 Invalid, 495 Unknown, 0 Unchecked, 62.46ms Time], IncrementalHoareTripleChecker [8 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 3153.57ms Time] [2021-11-12 23:49:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2021-11-12 23:49:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 6548. [2021-11-12 23:49:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6548 states, 3427 states have (on average 1.2039684855558799) internal successors, (4126), 3582 states have internal predecessors, (4126), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 306 states have return successors, (2826), 2741 states have call predecessors, (2826), 2810 states have call successors, (2826) [2021-11-12 23:49:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 9762 transitions. [2021-11-12 23:49:04,288 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 9762 transitions. Word has length 435 [2021-11-12 23:49:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:04,289 INFO L470 AbstractCegarLoop]: Abstraction has 6548 states and 9762 transitions. [2021-11-12 23:49:04,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (43), 6 states have call predecessors, (43), 5 states have call successors, (43) [2021-11-12 23:49:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 9762 transitions. [2021-11-12 23:49:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-12 23:49:04,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:04,294 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:04,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:04,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:04,495 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:04,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1035469658, now seen corresponding path program 1 times [2021-11-12 23:49:04,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:04,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861918604] [2021-11-12 23:49:04,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:04,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:04,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:04,502 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:04,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ca9c3c-920c-4f5d-bb1e-99a2e6543a2c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-12 23:49:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:21,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 4628 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:49:21,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2021-11-12 23:49:22,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-11-12 23:49:23,872 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:23,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861918604] [2021-11-12 23:49:23,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861918604] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:23,873 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:23,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-12 23:49:23,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681024419] [2021-11-12 23:49:23,874 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:23,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:49:23,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:49:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:49:23,878 INFO L87 Difference]: Start difference. First operand 6548 states and 9762 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 4 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-12 23:49:26,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:49:30,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:49:32,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []