java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:32:31,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:32:31,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:32:31,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:32:31,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:32:31,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:32:31,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:32:31,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:32:31,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:32:31,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:32:31,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:32:31,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:32:31,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:32:31,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:32:31,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:32:31,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:32:31,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:32:31,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:32:31,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:32:31,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:32:31,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:32:31,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:32:31,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:32:31,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:32:31,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:32:31,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:32:31,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:32:31,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:32:31,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:32:31,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:32:31,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:32:31,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:32:31,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:32:31,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:32:31,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:32:31,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:32:31,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:32:31,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:32:31,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:32:31,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:32:31,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:32:31,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:32:31,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:32:31,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:32:31,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:32:31,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:32:31,933 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:32:31,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:32:31,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:32:31,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:32:31,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:32:31,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:32:31,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:32:31,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:32:31,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:32:31,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:32:31,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:32:31,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:32:31,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:32:31,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:32:31,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:32:31,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:32:31,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:32:31,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:31,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:32:31,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:32:31,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:32:31,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:32:31,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:32:31,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:32:31,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:32:32,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:32:32,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:32:32,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:32:32,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:32:32,293 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:32:32,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-13 20:32:32,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd35efbb/7d082529f2b9483594d5c5c918d06141/FLAGfbcd4ae52 [2019-10-13 20:32:33,247 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:32:33,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-13 20:32:33,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd35efbb/7d082529f2b9483594d5c5c918d06141/FLAGfbcd4ae52 [2019-10-13 20:32:33,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd35efbb/7d082529f2b9483594d5c5c918d06141 [2019-10-13 20:32:33,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:32:33,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:32:33,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:33,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:32:33,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:32:33,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:33" (1/1) ... [2019-10-13 20:32:33,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f324344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:33, skipping insertion in model container [2019-10-13 20:32:33,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:33" (1/1) ... [2019-10-13 20:32:33,736 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:32:33,884 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:32:35,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:35,997 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:32:36,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:36,714 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:32:36,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36 WrapperNode [2019-10-13 20:32:36,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:36,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:32:36,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:32:36,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:32:36,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:36,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:36,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:36,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:36,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:36,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:37,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... [2019-10-13 20:32:37,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:32:37,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:32:37,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:32:37,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:32:37,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:32:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:32:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:32:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:32:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:32:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 20:32:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:32:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 20:32:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 20:32:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 20:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-10-13 20:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 20:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:32:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:32:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:32:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-13 20:32:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-10-13 20:32:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-10-13 20:32:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-10-13 20:32:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-10-13 20:32:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-10-13 20:32:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-10-13 20:32:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-13 20:32:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-13 20:32:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-13 20:32:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-13 20:32:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-13 20:32:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-10-13 20:32:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-10-13 20:32:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-10-13 20:32:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-10-13 20:32:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-10-13 20:32:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-10-13 20:32:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-13 20:32:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-13 20:32:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-10-13 20:32:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-10-13 20:32:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-10-13 20:32:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-13 20:32:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 20:32:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 20:32:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 20:32:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 20:32:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 20:32:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 20:32:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-13 20:32:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 20:32:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 20:32:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-13 20:32:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 20:32:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:32:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 20:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 20:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 20:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 20:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 20:32:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-13 20:32:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-10-13 20:32:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-13 20:32:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-10-13 20:32:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-13 20:32:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-10-13 20:32:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-10-13 20:32:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-10-13 20:32:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-10-13 20:32:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 20:32:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 20:32:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 20:32:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 20:32:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 20:32:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:32:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:32:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:32:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:32:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 20:32:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 20:32:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:32:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-10-13 20:32:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 20:32:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-13 20:32:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 20:32:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-10-13 20:32:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-13 20:32:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 20:32:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-13 20:32:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-13 20:32:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-10-13 20:32:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-13 20:32:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-13 20:32:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-10-13 20:32:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-13 20:32:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 20:32:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 20:32:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-13 20:32:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 20:32:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 20:32:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-13 20:32:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:32:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 20:32:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-10-13 20:32:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:32:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:32:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 20:32:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-13 20:32:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-13 20:32:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-13 20:32:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 20:32:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:32:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:32:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 20:32:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 20:32:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 20:32:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-13 20:32:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-13 20:32:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-13 20:32:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-13 20:32:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-13 20:32:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-13 20:32:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-13 20:32:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-13 20:32:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-13 20:32:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:32:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:32:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-10-13 20:32:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-10-13 20:32:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:32:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:32:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-10-13 20:32:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-13 20:32:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 20:32:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:32:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:32:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:32:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:32:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:32:38,453 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:32:41,815 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:32:41,816 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 20:32:41,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:41 BoogieIcfgContainer [2019-10-13 20:32:41,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:32:41,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:32:41,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:32:41,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:32:41,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:32:33" (1/3) ... [2019-10-13 20:32:41,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827dd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:41, skipping insertion in model container [2019-10-13 20:32:41,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:36" (2/3) ... [2019-10-13 20:32:41,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827dd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:41, skipping insertion in model container [2019-10-13 20:32:41,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:41" (3/3) ... [2019-10-13 20:32:41,839 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-13 20:32:41,850 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:32:41,862 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:32:41,875 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:32:41,917 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:32:41,917 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:32:41,917 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:32:41,918 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:32:41,918 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:32:41,918 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:32:41,918 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:32:41,918 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:32:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states. [2019-10-13 20:32:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 20:32:41,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:41,999 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:42,002 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:42,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:42,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1692164695, now seen corresponding path program 1 times [2019-10-13 20:32:42,018 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:42,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735332716] [2019-10-13 20:32:42,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:42,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:42,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:32:42,851 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735332716] [2019-10-13 20:32:42,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:42,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:42,852 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670912748] [2019-10-13 20:32:42,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:42,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:42,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:42,878 INFO L87 Difference]: Start difference. First operand 1127 states. Second operand 3 states. [2019-10-13 20:32:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:43,453 INFO L93 Difference]: Finished difference Result 2469 states and 3397 transitions. [2019-10-13 20:32:43,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:43,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-13 20:32:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:43,487 INFO L225 Difference]: With dead ends: 2469 [2019-10-13 20:32:43,487 INFO L226 Difference]: Without dead ends: 1605 [2019-10-13 20:32:43,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2019-10-13 20:32:43,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2019-10-13 20:32:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2019-10-13 20:32:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2157 transitions. [2019-10-13 20:32:43,728 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2157 transitions. Word has length 58 [2019-10-13 20:32:43,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:43,729 INFO L462 AbstractCegarLoop]: Abstraction has 1605 states and 2157 transitions. [2019-10-13 20:32:43,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2157 transitions. [2019-10-13 20:32:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 20:32:43,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:43,739 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:43,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:43,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:43,740 INFO L82 PathProgramCache]: Analyzing trace with hash 719836459, now seen corresponding path program 1 times [2019-10-13 20:32:43,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:43,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757731193] [2019-10-13 20:32:43,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:43,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:43,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:32:44,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757731193] [2019-10-13 20:32:44,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:44,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:44,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519840352] [2019-10-13 20:32:44,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:44,170 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:44,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:44,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:44,171 INFO L87 Difference]: Start difference. First operand 1605 states and 2157 transitions. Second operand 6 states. [2019-10-13 20:32:45,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:45,725 INFO L93 Difference]: Finished difference Result 4778 states and 6509 transitions. [2019-10-13 20:32:45,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:32:45,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-13 20:32:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:45,750 INFO L225 Difference]: With dead ends: 4778 [2019-10-13 20:32:45,750 INFO L226 Difference]: Without dead ends: 3170 [2019-10-13 20:32:45,758 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 20:32:45,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2019-10-13 20:32:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2019-10-13 20:32:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2019-10-13 20:32:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4317 transitions. [2019-10-13 20:32:46,020 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4317 transitions. Word has length 67 [2019-10-13 20:32:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:46,022 INFO L462 AbstractCegarLoop]: Abstraction has 3170 states and 4317 transitions. [2019-10-13 20:32:46,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4317 transitions. [2019-10-13 20:32:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-13 20:32:46,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:46,052 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:46,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:46,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:46,053 INFO L82 PathProgramCache]: Analyzing trace with hash 513913028, now seen corresponding path program 1 times [2019-10-13 20:32:46,053 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:46,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704465880] [2019-10-13 20:32:46,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:46,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:46,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 20:32:46,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704465880] [2019-10-13 20:32:46,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:46,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:32:46,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608311976] [2019-10-13 20:32:46,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:32:46,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:46,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:32:46,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:46,435 INFO L87 Difference]: Start difference. First operand 3170 states and 4317 transitions. Second operand 5 states. [2019-10-13 20:32:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:46,615 INFO L93 Difference]: Finished difference Result 6343 states and 8737 transitions. [2019-10-13 20:32:46,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:32:46,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-10-13 20:32:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:46,660 INFO L225 Difference]: With dead ends: 6343 [2019-10-13 20:32:46,660 INFO L226 Difference]: Without dead ends: 3194 [2019-10-13 20:32:46,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2019-10-13 20:32:46,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3190. [2019-10-13 20:32:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3190 states. [2019-10-13 20:32:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4356 transitions. [2019-10-13 20:32:46,853 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4356 transitions. Word has length 199 [2019-10-13 20:32:46,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:46,854 INFO L462 AbstractCegarLoop]: Abstraction has 3190 states and 4356 transitions. [2019-10-13 20:32:46,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:32:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4356 transitions. [2019-10-13 20:32:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 20:32:46,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:46,868 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:46,869 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:46,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1586879939, now seen corresponding path program 1 times [2019-10-13 20:32:46,869 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:46,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288759195] [2019-10-13 20:32:46,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:46,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:46,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:32:47,341 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288759195] [2019-10-13 20:32:47,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:47,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:32:47,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103670382] [2019-10-13 20:32:47,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:32:47,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:47,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:32:47,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:32:47,347 INFO L87 Difference]: Start difference. First operand 3190 states and 4356 transitions. Second operand 7 states. [2019-10-13 20:33:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:33:00,705 INFO L93 Difference]: Finished difference Result 12976 states and 17911 transitions. [2019-10-13 20:33:00,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:33:00,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2019-10-13 20:33:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:33:00,783 INFO L225 Difference]: With dead ends: 12976 [2019-10-13 20:33:00,783 INFO L226 Difference]: Without dead ends: 9807 [2019-10-13 20:33:00,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:33:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2019-10-13 20:33:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 9751. [2019-10-13 20:33:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9751 states. [2019-10-13 20:33:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9751 states to 9751 states and 13448 transitions. [2019-10-13 20:33:01,327 INFO L78 Accepts]: Start accepts. Automaton has 9751 states and 13448 transitions. Word has length 204 [2019-10-13 20:33:01,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:33:01,328 INFO L462 AbstractCegarLoop]: Abstraction has 9751 states and 13448 transitions. [2019-10-13 20:33:01,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:33:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 9751 states and 13448 transitions. [2019-10-13 20:33:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-13 20:33:01,356 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:33:01,356 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:33:01,356 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:33:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:33:01,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1972295473, now seen corresponding path program 1 times [2019-10-13 20:33:01,357 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:33:01,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416482014] [2019-10-13 20:33:01,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:33:01,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:33:01,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:33:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:33:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:33:01,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416482014] [2019-10-13 20:33:01,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:33:01,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:33:01,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17630255] [2019-10-13 20:33:01,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:33:01,626 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:33:01,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:33:01,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:33:01,627 INFO L87 Difference]: Start difference. First operand 9751 states and 13448 transitions. Second operand 7 states.