/usr/bin/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--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:48:32,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:48:32,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:48:32,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:48:32,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:48:32,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:48:32,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:48:32,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:48:32,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:48:32,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:48:32,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:48:32,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:48:32,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:48:32,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:48:32,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:48:32,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:48:32,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:48:32,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:48:32,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:48:32,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:48:32,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:48:32,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:48:32,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:48:32,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:48:32,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:48:32,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:48:32,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:48:32,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:48:32,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:48:32,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:48:32,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:48:32,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:48:32,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:48:32,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:48:32,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:48:32,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:48:32,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:48:32,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:48:32,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:48:32,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:48:32,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:48:32,594 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 [2019-11-07 02:48:32,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:48:32,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:48:32,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:48:32,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:48:32,628 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:48:32,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:48:32,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:48:32,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:48:32,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:48:32,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:48:32,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:48:32,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:48:32,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:48:32,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:48:32,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:48:32,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:48:32,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:48:32,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:48:32,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:48:32,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:48:32,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:48:32,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:48:32,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:48:32,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:48:32,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:48:32,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:48:32,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:48:32,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:48:32,634 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 [2019-11-07 02:48:32,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:48:32,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:48:32,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:48:32,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:48:32,966 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:48:32,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-11-07 02:48:33,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ece9ee5/f00315afee444904a792dbf9c966a369/FLAG6a8fd5581 [2019-11-07 02:48:33,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:48:33,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-11-07 02:48:33,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ece9ee5/f00315afee444904a792dbf9c966a369/FLAG6a8fd5581 [2019-11-07 02:48:34,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ece9ee5/f00315afee444904a792dbf9c966a369 [2019-11-07 02:48:34,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:48:34,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:48:34,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:48:34,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:48:34,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:48:34,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:48:34" (1/1) ... [2019-11-07 02:48:34,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7924f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:34, skipping insertion in model container [2019-11-07 02:48:34,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:48:34" (1/1) ... [2019-11-07 02:48:34,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:48:34,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:48:36,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:48:36,799 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:48:37,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:48:37,386 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:48:37,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37 WrapperNode [2019-11-07 02:48:37,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:48:37,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:48:37,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:48:37,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:48:37,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (1/1) ... [2019-11-07 02:48:37,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:48:37,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:48:37,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:48:37,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:48:37,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (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 [2019-11-07 02:48:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:48:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:48:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-07 02:48:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 02:48:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-07 02:48:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 02:48:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-11-07 02:48:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 02:48:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-11-07 02:48:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-11-07 02:48:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 02:48:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 02:48:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-11-07 02:48:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 02:48:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-07 02:48:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 02:48:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 02:48:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 02:48:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-11-07 02:48:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 02:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2019-11-07 02:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2019-11-07 02:48:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2019-11-07 02:48:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2019-11-07 02:48:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2019-11-07 02:48:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2019-11-07 02:48:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2019-11-07 02:48:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2019-11-07 02:48:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2019-11-07 02:48:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2019-11-07 02:48:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2019-11-07 02:48:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2019-11-07 02:48:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2019-11-07 02:48:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2019-11-07 02:48:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2019-11-07 02:48:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2019-11-07 02:48:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2019-11-07 02:48:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2019-11-07 02:48:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2019-11-07 02:48:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 02:48:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-11-07 02:48:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-11-07 02:48:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-11-07 02:48:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-07 02:48:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-11-07 02:48:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-11-07 02:48:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 02:48:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 02:48:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 02:48:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 02:48:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-11-07 02:48:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:48:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-07 02:48:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-11-07 02:48:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-11-07 02:48:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-11-07 02:48:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-11-07 02:48:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:48:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-07 02:48:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 02:48:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-07 02:48:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-07 02:48:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 02:48:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-07 02:48:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 02:48:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2019-11-07 02:48:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2019-11-07 02:48:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2019-11-07 02:48:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2019-11-07 02:48:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-11-07 02:48:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 02:48:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 02:48:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-11-07 02:48:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-11-07 02:48:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-07 02:48:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-11-07 02:48:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 02:48:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 02:48:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2019-11-07 02:48:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2019-11-07 02:48:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2019-11-07 02:48:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 02:48:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2019-11-07 02:48:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-11-07 02:48:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:48:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:48:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 02:48:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 02:48:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 02:48:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 02:48:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-11-07 02:48:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 02:48:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 02:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 02:48:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-07 02:48:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-11-07 02:48:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-11-07 02:48:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-11-07 02:48:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 02:48:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 02:48:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2019-11-07 02:48:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2019-11-07 02:48:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2019-11-07 02:48:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2019-11-07 02:48:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2019-11-07 02:48:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2019-11-07 02:48:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure match [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2019-11-07 02:48:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2019-11-07 02:48:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2019-11-07 02:48:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-07 02:48:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-11-07 02:48:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:48:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:48:39,149 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 02:49:05,480 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:49:05,480 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 02:49:05,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:49:05 BoogieIcfgContainer [2019-11-07 02:49:05,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:49:05,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:49:05,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:49:05,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:49:05,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:48:34" (1/3) ... [2019-11-07 02:49:05,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1683aad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:49:05, skipping insertion in model container [2019-11-07 02:49:05,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37" (2/3) ... [2019-11-07 02:49:05,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1683aad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:49:05, skipping insertion in model container [2019-11-07 02:49:05,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:49:05" (3/3) ... [2019-11-07 02:49:05,490 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-11-07 02:49:05,500 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:49:05,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:49:05,518 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:49:05,551 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:49:05,551 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:49:05,551 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:49:05,551 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:49:05,552 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:49:05,552 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:49:05,552 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:49:05,552 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:49:05,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states. [2019-11-07 02:49:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 02:49:05,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:05,612 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 02:49:05,614 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:05,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:05,621 INFO L82 PathProgramCache]: Analyzing trace with hash -872935376, now seen corresponding path program 1 times [2019-11-07 02:49:05,631 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:05,631 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579722778] [2019-11-07 02:49:05,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 02:49:06,308 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579722778] [2019-11-07 02:49:06,309 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:06,310 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 02:49:06,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285919892] [2019-11-07 02:49:06,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 02:49:06,317 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:06,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 02:49:06,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 02:49:06,337 INFO L87 Difference]: Start difference. First operand 1002 states. Second operand 6 states. [2019-11-07 02:49:08,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:49:08,024 INFO L93 Difference]: Finished difference Result 2562 states and 3381 transitions. [2019-11-07 02:49:08,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:49:08,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-11-07 02:49:08,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:49:08,057 INFO L225 Difference]: With dead ends: 2562 [2019-11-07 02:49:08,058 INFO L226 Difference]: Without dead ends: 1650 [2019-11-07 02:49:08,069 INFO L630 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 [2019-11-07 02:49:08,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2019-11-07 02:49:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2019-11-07 02:49:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2019-11-07 02:49:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2153 transitions. [2019-11-07 02:49:08,314 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2153 transitions. Word has length 50 [2019-11-07 02:49:08,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:49:08,318 INFO L462 AbstractCegarLoop]: Abstraction has 1650 states and 2153 transitions. [2019-11-07 02:49:08,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 02:49:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2153 transitions. [2019-11-07 02:49:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-07 02:49:08,339 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:08,340 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 02:49:08,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:08,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:08,341 INFO L82 PathProgramCache]: Analyzing trace with hash -91171368, now seen corresponding path program 1 times [2019-11-07 02:49:08,341 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:08,341 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759485705] [2019-11-07 02:49:08,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 02:49:08,523 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759485705] [2019-11-07 02:49:08,523 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:08,523 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:49:08,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930285146] [2019-11-07 02:49:08,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:49:08,526 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:08,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:49:08,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:49:08,526 INFO L87 Difference]: Start difference. First operand 1650 states and 2153 transitions. Second operand 3 states. [2019-11-07 02:49:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:49:08,801 INFO L93 Difference]: Finished difference Result 3390 states and 4414 transitions. [2019-11-07 02:49:08,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:49:08,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-11-07 02:49:08,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:49:08,812 INFO L225 Difference]: With dead ends: 3390 [2019-11-07 02:49:08,813 INFO L226 Difference]: Without dead ends: 1756 [2019-11-07 02:49:08,819 INFO L630 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 [2019-11-07 02:49:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2019-11-07 02:49:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1745. [2019-11-07 02:49:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2019-11-07 02:49:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2267 transitions. [2019-11-07 02:49:08,914 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2267 transitions. Word has length 109 [2019-11-07 02:49:08,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:49:08,914 INFO L462 AbstractCegarLoop]: Abstraction has 1745 states and 2267 transitions. [2019-11-07 02:49:08,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:49:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2267 transitions. [2019-11-07 02:49:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-07 02:49:08,922 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:08,922 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:49:08,923 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:08,923 INFO L82 PathProgramCache]: Analyzing trace with hash -794050690, now seen corresponding path program 1 times [2019-11-07 02:49:08,923 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:08,924 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689384375] [2019-11-07 02:49:08,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-07 02:49:09,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689384375] [2019-11-07 02:49:09,106 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:09,107 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:49:09,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26344550] [2019-11-07 02:49:09,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:49:09,108 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:09,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:49:09,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:49:09,108 INFO L87 Difference]: Start difference. First operand 1745 states and 2267 transitions. Second operand 3 states. [2019-11-07 02:49:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:49:09,458 INFO L93 Difference]: Finished difference Result 4654 states and 6044 transitions. [2019-11-07 02:49:09,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:49:09,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-11-07 02:49:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:49:09,481 INFO L225 Difference]: With dead ends: 4654 [2019-11-07 02:49:09,481 INFO L226 Difference]: Without dead ends: 2933 [2019-11-07 02:49:09,490 INFO L630 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 [2019-11-07 02:49:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2019-11-07 02:49:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2922. [2019-11-07 02:49:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2922 states. [2019-11-07 02:49:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3753 transitions. [2019-11-07 02:49:09,645 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3753 transitions. Word has length 141 [2019-11-07 02:49:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:49:09,646 INFO L462 AbstractCegarLoop]: Abstraction has 2922 states and 3753 transitions. [2019-11-07 02:49:09,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:49:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3753 transitions. [2019-11-07 02:49:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-07 02:49:09,655 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:09,655 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:49:09,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:09,656 INFO L82 PathProgramCache]: Analyzing trace with hash -79710416, now seen corresponding path program 1 times [2019-11-07 02:49:09,656 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:09,657 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095435199] [2019-11-07 02:49:09,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-07 02:49:09,880 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095435199] [2019-11-07 02:49:09,881 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:09,881 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:49:09,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793028243] [2019-11-07 02:49:09,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:49:09,882 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:09,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:49:09,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:49:09,882 INFO L87 Difference]: Start difference. First operand 2922 states and 3753 transitions. Second operand 3 states. [2019-11-07 02:49:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:49:09,990 INFO L93 Difference]: Finished difference Result 4444 states and 5716 transitions. [2019-11-07 02:49:09,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:49:09,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-11-07 02:49:09,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:49:10,013 INFO L225 Difference]: With dead ends: 4444 [2019-11-07 02:49:10,013 INFO L226 Difference]: Without dead ends: 2930 [2019-11-07 02:49:10,021 INFO L630 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 [2019-11-07 02:49:10,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2019-11-07 02:49:10,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2926. [2019-11-07 02:49:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2926 states. [2019-11-07 02:49:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3757 transitions. [2019-11-07 02:49:10,156 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3757 transitions. Word has length 141 [2019-11-07 02:49:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:49:10,157 INFO L462 AbstractCegarLoop]: Abstraction has 2926 states and 3757 transitions. [2019-11-07 02:49:10,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:49:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3757 transitions. [2019-11-07 02:49:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-07 02:49:10,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:10,166 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:49:10,166 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:10,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:10,167 INFO L82 PathProgramCache]: Analyzing trace with hash -689389655, now seen corresponding path program 1 times [2019-11-07 02:49:10,167 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:10,167 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128661730] [2019-11-07 02:49:10,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-07 02:49:10,348 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128661730] [2019-11-07 02:49:10,348 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:10,349 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:49:10,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14058381] [2019-11-07 02:49:10,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:49:10,350 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:10,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:49:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:49:10,351 INFO L87 Difference]: Start difference. First operand 2926 states and 3757 transitions. Second operand 3 states. [2019-11-07 02:49:10,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:49:10,627 INFO L93 Difference]: Finished difference Result 5785 states and 7441 transitions. [2019-11-07 02:49:10,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:49:10,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-11-07 02:49:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:49:10,654 INFO L225 Difference]: With dead ends: 5785 [2019-11-07 02:49:10,654 INFO L226 Difference]: Without dead ends: 2870 [2019-11-07 02:49:10,671 INFO L630 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 [2019-11-07 02:49:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2019-11-07 02:49:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2870. [2019-11-07 02:49:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2870 states. [2019-11-07 02:49:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3680 transitions. [2019-11-07 02:49:10,856 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3680 transitions. Word has length 142 [2019-11-07 02:49:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:49:10,857 INFO L462 AbstractCegarLoop]: Abstraction has 2870 states and 3680 transitions. [2019-11-07 02:49:10,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:49:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3680 transitions. [2019-11-07 02:49:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-07 02:49:10,871 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:49:10,871 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-11-07 02:49:10,872 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:49:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:49:10,872 INFO L82 PathProgramCache]: Analyzing trace with hash -2060885248, now seen corresponding path program 1 times [2019-11-07 02:49:10,873 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:49:10,873 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752957746] [2019-11-07 02:49:10,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:49:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:49:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 02:49:11,273 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752957746] [2019-11-07 02:49:11,273 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:49:11,274 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 02:49:11,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481855073] [2019-11-07 02:49:11,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 02:49:11,274 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:49:11,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 02:49:11,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-07 02:49:11,275 INFO L87 Difference]: Start difference. First operand 2870 states and 3680 transitions. Second operand 9 states.