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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-13a467a-m [2019-10-15 02:20:51,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:20:51,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:20:51,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:20:51,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:20:51,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:20:51,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:20:51,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:20:51,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:20:51,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:20:51,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:20:51,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:20:51,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:20:51,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:20:51,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:20:51,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:20:51,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:20:51,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:20:51,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:20:51,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:20:51,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:20:51,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:20:51,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:20:51,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:20:51,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:20:51,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:20:51,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:20:51,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:20:51,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:20:51,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:20:51,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:20:51,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:20:51,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:20:51,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:20:51,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:20:51,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:20:51,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:20:51,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:20:51,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:20:51,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:20:51,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:20:51,145 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 [2019-10-15 02:20:51,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:20:51,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:20:51,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:20:51,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:20:51,161 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:20:51,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:20:51,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:20:51,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:20:51,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:20:51,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:20:51,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:20:51,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:20:51,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:20:51,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:20:51,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:20:51,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:20:51,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:20:51,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:20:51,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:20:51,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:20:51,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:20:51,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:20:51,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:20:51,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:20:51,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:20:51,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:20:51,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:20:51,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:20:51,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:20:51,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:20:51,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:20:51,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:20:51,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:20:51,516 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:20:51,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-15 02:20:51,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d11c085/0d98ca31f7e645b694a344a1f3c23849/FLAG2fe574b5c [2019-10-15 02:20:52,476 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:20:52,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-15 02:20:52,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d11c085/0d98ca31f7e645b694a344a1f3c23849/FLAG2fe574b5c [2019-10-15 02:20:52,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d11c085/0d98ca31f7e645b694a344a1f3c23849 [2019-10-15 02:20:52,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:20:52,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:20:52,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:20:52,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:20:52,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:20:52,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:20:52" (1/1) ... [2019-10-15 02:20:52,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ced689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:52, skipping insertion in model container [2019-10-15 02:20:52,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:20:52" (1/1) ... [2019-10-15 02:20:52,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:20:53,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:20:55,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:20:55,585 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:20:55,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:20:56,159 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:20:56,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56 WrapperNode [2019-10-15 02:20:56,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:20:56,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:20:56,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:20:56,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:20:56,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (1/1) ... [2019-10-15 02:20:56,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:20:56,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:20:56,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:20:56,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:20:56,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (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 [2019-10-15 02:20:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:20:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:20:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:20:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:20:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:20:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 02:20:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:20:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:20:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:20:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:20:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:20:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:20:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:20:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:20:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:20:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:20:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:20:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-15 02:20:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-10-15 02:20:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-10-15 02:20:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-10-15 02:20:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-15 02:20:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-10-15 02:20:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-15 02:20:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 02:20:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-15 02:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 02:20:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-15 02:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-15 02:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-15 02:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-10-15 02:20:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 02:20:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 02:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-10-15 02:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-15 02:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-15 02:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-10-15 02:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-15 02:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-15 02:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-15 02:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:20:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:20:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:20:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:20:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:20:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:20:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-15 02:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-15 02:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-15 02:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-10-15 02:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-15 02:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-15 02:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-10-15 02:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 02:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-15 02:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-15 02:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-15 02:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-15 02:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-10-15 02:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-10-15 02:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-10-15 02:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-10-15 02:20:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-10-15 02:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-15 02:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 02:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:20:57,665 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:21:18,257 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:21:18,257 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 02:21:18,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:18 BoogieIcfgContainer [2019-10-15 02:21:18,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:21:18,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:21:18,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:21:18,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:21:18,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:20:52" (1/3) ... [2019-10-15 02:21:18,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b45ea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:18, skipping insertion in model container [2019-10-15 02:21:18,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:56" (2/3) ... [2019-10-15 02:21:18,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b45ea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:18, skipping insertion in model container [2019-10-15 02:21:18,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:18" (3/3) ... [2019-10-15 02:21:18,271 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 [2019-10-15 02:21:18,282 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:21:18,293 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:21:18,305 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:21:18,337 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:21:18,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:21:18,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:21:18,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:21:18,338 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:21:18,338 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:21:18,338 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:21:18,339 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:21:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states. [2019-10-15 02:21:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 02:21:18,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:18,399 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] [2019-10-15 02:21:18,401 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:18,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:18,406 INFO L82 PathProgramCache]: Analyzing trace with hash -307523480, now seen corresponding path program 1 times [2019-10-15 02:21:18,415 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:18,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694438918] [2019-10-15 02:21:18,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:18,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:18,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:21:19,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694438918] [2019-10-15 02:21:19,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:19,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:19,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667617540] [2019-10-15 02:21:19,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:19,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:19,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:19,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:19,184 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 3 states. [2019-10-15 02:21:19,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:19,679 INFO L93 Difference]: Finished difference Result 2105 states and 2890 transitions. [2019-10-15 02:21:19,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:19,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-15 02:21:19,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:19,719 INFO L225 Difference]: With dead ends: 2105 [2019-10-15 02:21:19,720 INFO L226 Difference]: Without dead ends: 1367 [2019-10-15 02:21:19,732 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 [2019-10-15 02:21:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2019-10-15 02:21:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1367. [2019-10-15 02:21:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2019-10-15 02:21:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1830 transitions. [2019-10-15 02:21:19,970 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1830 transitions. Word has length 51 [2019-10-15 02:21:19,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:19,970 INFO L462 AbstractCegarLoop]: Abstraction has 1367 states and 1830 transitions. [2019-10-15 02:21:19,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1830 transitions. [2019-10-15 02:21:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 02:21:19,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:19,977 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] [2019-10-15 02:21:19,978 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:19,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:19,978 INFO L82 PathProgramCache]: Analyzing trace with hash -451845281, now seen corresponding path program 1 times [2019-10-15 02:21:19,978 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:19,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596020858] [2019-10-15 02:21:19,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:19,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:19,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:21:20,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596020858] [2019-10-15 02:21:20,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:20,362 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:21:20,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339194137] [2019-10-15 02:21:20,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:21:20,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:20,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:21:20,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:21:20,365 INFO L87 Difference]: Start difference. First operand 1367 states and 1830 transitions. Second operand 6 states. [2019-10-15 02:21:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:21,850 INFO L93 Difference]: Finished difference Result 2724 states and 3695 transitions. [2019-10-15 02:21:21,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:21:21,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 02:21:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:21,870 INFO L225 Difference]: With dead ends: 2724 [2019-10-15 02:21:21,870 INFO L226 Difference]: Without dead ends: 2701 [2019-10-15 02:21:21,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 02:21:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2019-10-15 02:21:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2701. [2019-10-15 02:21:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2701 states. [2019-10-15 02:21:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3670 transitions. [2019-10-15 02:21:22,007 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3670 transitions. Word has length 57 [2019-10-15 02:21:22,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:22,007 INFO L462 AbstractCegarLoop]: Abstraction has 2701 states and 3670 transitions. [2019-10-15 02:21:22,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:21:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3670 transitions. [2019-10-15 02:21:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-15 02:21:22,022 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:22,023 INFO L380 BasicCegarLoop]: trace histogram [4, 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] [2019-10-15 02:21:22,023 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:22,024 INFO L82 PathProgramCache]: Analyzing trace with hash 875537593, now seen corresponding path program 1 times [2019-10-15 02:21:22,024 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:22,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067663462] [2019-10-15 02:21:22,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:22,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:22,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:22,338 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 02:21:22,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067663462] [2019-10-15 02:21:22,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:22,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:21:22,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840286348] [2019-10-15 02:21:22,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:21:22,341 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:22,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:21:22,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:21:22,341 INFO L87 Difference]: Start difference. First operand 2701 states and 3670 transitions. Second operand 5 states. [2019-10-15 02:21:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:22,479 INFO L93 Difference]: Finished difference Result 5408 states and 7446 transitions. [2019-10-15 02:21:22,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:21:22,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2019-10-15 02:21:22,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:22,500 INFO L225 Difference]: With dead ends: 5408 [2019-10-15 02:21:22,501 INFO L226 Difference]: Without dead ends: 2725 [2019-10-15 02:21:22,513 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 [2019-10-15 02:21:22,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2019-10-15 02:21:22,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 2721. [2019-10-15 02:21:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2019-10-15 02:21:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3709 transitions. [2019-10-15 02:21:22,717 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3709 transitions. Word has length 169 [2019-10-15 02:21:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:22,718 INFO L462 AbstractCegarLoop]: Abstraction has 2721 states and 3709 transitions. [2019-10-15 02:21:22,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:21:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3709 transitions. [2019-10-15 02:21:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 02:21:22,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:22,736 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 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] [2019-10-15 02:21:22,736 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:22,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1688692695, now seen corresponding path program 1 times [2019-10-15 02:21:22,737 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:22,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407368486] [2019-10-15 02:21:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:22,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 02:21:24,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407368486] [2019-10-15 02:21:24,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096030341] [2019-10-15 02:21:24,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:21:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:25,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 58 conjunts are in the unsatisfiable core [2019-10-15 02:21:25,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:21:25,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:21:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-15 02:21:25,823 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:21:26,738 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-10-15 02:21:27,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:21:27,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:21:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 02:21:28,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 02:21:28,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13, 13] total 23 [2019-10-15 02:21:28,455 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369113744] [2019-10-15 02:21:28,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-15 02:21:28,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:28,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-15 02:21:28,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2019-10-15 02:21:28,458 INFO L87 Difference]: Start difference. First operand 2721 states and 3709 transitions. Second operand 14 states. [2019-10-15 02:21:28,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:28,996 INFO L93 Difference]: Finished difference Result 5496 states and 7568 transitions. [2019-10-15 02:21:28,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 02:21:28,997 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 173 [2019-10-15 02:21:28,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:29,026 INFO L225 Difference]: With dead ends: 5496 [2019-10-15 02:21:29,029 INFO L226 Difference]: Without dead ends: 2793 [2019-10-15 02:21:29,050 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 334 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2019-10-15 02:21:29,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2019-10-15 02:21:29,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2767. [2019-10-15 02:21:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2767 states. [2019-10-15 02:21:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3763 transitions. [2019-10-15 02:21:29,238 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3763 transitions. Word has length 173 [2019-10-15 02:21:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:29,241 INFO L462 AbstractCegarLoop]: Abstraction has 2767 states and 3763 transitions. [2019-10-15 02:21:29,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-15 02:21:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3763 transitions. [2019-10-15 02:21:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-15 02:21:29,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:29,253 INFO L380 BasicCegarLoop]: trace histogram [5, 3, 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] [2019-10-15 02:21:29,470 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:21:29,471 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:29,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:29,471 INFO L82 PathProgramCache]: Analyzing trace with hash 89065303, now seen corresponding path program 1 times [2019-10-15 02:21:29,472 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:29,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333325190] [2019-10-15 02:21:29,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:29,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:29,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 02:21:29,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333325190] [2019-10-15 02:21:29,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:29,913 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:21:29,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903199451] [2019-10-15 02:21:29,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:21:29,915 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:29,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:21:29,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:21:29,920 INFO L87 Difference]: Start difference. First operand 2767 states and 3763 transitions. Second operand 7 states.