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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:18:03,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:18:03,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:18:03,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:18:03,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:18:03,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:18:03,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:18:03,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:18:03,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:18:03,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:18:03,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:18:03,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:18:03,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:18:03,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:18:03,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:18:03,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:18:03,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:18:03,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:18:03,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:18:04,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:18:04,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:18:04,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:18:04,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:18:04,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:18:04,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:18:04,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:18:04,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:18:04,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:18:04,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:18:04,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:18:04,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:18:04,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:18:04,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:18:04,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:18:04,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:18:04,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:18:04,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:18:04,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:18:04,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:18:04,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:18:04,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:18:04,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:18:04,032 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:18:04,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:18:04,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:18:04,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:18:04,034 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:18:04,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:18:04,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:18:04,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:18:04,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:18:04,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:18:04,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:18:04,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:18:04,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:18:04,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:18:04,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:18:04,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:18:04,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:18:04,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:18:04,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:18:04,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:18:04,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:18:04,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:18:04,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:18:04,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:18:04,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:18:04,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:18:04,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:18:04,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:18:04,038 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 [2019-10-13 22:18:04,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:18:04,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:18:04,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:18:04,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:18:04,333 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:18:04,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2019-10-13 22:18:04,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a54c035/fb8f5c6b807745e4ba9fa3e3d1e731a3/FLAG65a769727 [2019-10-13 22:18:05,136 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:18:05,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2019-10-13 22:18:05,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a54c035/fb8f5c6b807745e4ba9fa3e3d1e731a3/FLAG65a769727 [2019-10-13 22:18:05,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a54c035/fb8f5c6b807745e4ba9fa3e3d1e731a3 [2019-10-13 22:18:05,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:18:05,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:18:05,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:18:05,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:18:05,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:18:05,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:18:05" (1/1) ... [2019-10-13 22:18:05,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185e1478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:05, skipping insertion in model container [2019-10-13 22:18:05,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:18:05" (1/1) ... [2019-10-13 22:18:05,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:18:05,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:18:08,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:18:08,396 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:18:08,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:18:09,069 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:18:09,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09 WrapperNode [2019-10-13 22:18:09,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:18:09,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:18:09,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:18:09,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:18:09,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:18:09,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:18:09,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:18:09,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:18:09,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:18:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:18:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:18:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:18:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:18:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 22:18:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:18:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~$Pointer$ [2019-10-13 22:18:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 22:18:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:18:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:18:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 22:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 22:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 22:18:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-13 22:18:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:18:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 22:18:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 22:18:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:18:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:18:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:18:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:18:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:18:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:18:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:18:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:18:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:18:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:18:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_inactivity_tout [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_update_aggregation_stats [2019-10-13 22:18:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_can_send_aggregate [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_dequeue [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_queue_len [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_abort_tx [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_flush_fifo [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_frm [2019-10-13 22:18:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_start_tx [2019-10-13 22:18:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_done [2019-10-13 22:18:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_done_cb [2019-10-13 22:18:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc [2019-10-13 22:18:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc_len [2019-10-13 22:18:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_pld [2019-10-13 22:18:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_done [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_slowpath [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_done_cb [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_up [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_down [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_out_of_sync [2019-10-13 22:18:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_up_cb [2019-10-13 22:18:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_down_cb [2019-10-13 22:18:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_aggregation_tout [2019-10-13 22:18:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_xmit [2019-10-13 22:18:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_setup [2019-10-13 22:18:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_open [2019-10-13 22:18:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_close [2019-10-13 22:18:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_uninit [2019-10-13 22:18:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_netlink_parms [2019-10-13 22:18:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_changelink [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_get_size [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_fill_info [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_newlink [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_exit_module [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_init_module [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-10-13 22:18:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-10-13 22:18:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 22:18:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-13 22:18:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_19 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_23 [2019-10-13 22:18:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_25 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_26 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_pending_27 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_29 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_30 [2019-10-13 22:18:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_31 [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_32 [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 22:18:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 22:18:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 22:18:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:18:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 22:18:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-13 22:18:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:18:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer_pending [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_state_change [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 22:18:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-13 22:18:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:18:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:18:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-13 22:18:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-10-13 22:18:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:18:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:18:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:18:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:18:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:18:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:18:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:18:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:18:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:18:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 22:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:18:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 22:18:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_29 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_19 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer_pending [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_pending_27 [2019-10-13 22:18:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_30 [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_31 [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_32 [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 22:18:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:18:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 22:18:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-13 22:18:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-13 22:18:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 22:18:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:18:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:18:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 22:18:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 22:18:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:18:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_25 [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_23 [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_26 [2019-10-13 22:18:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_state_change [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-13 22:18:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-13 22:18:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_inactivity_tout [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_update_aggregation_stats [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_can_send_aggregate [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_dequeue [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_queue_len [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_abort_tx [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_flush_fifo [2019-10-13 22:18:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_frm [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_start_tx [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_done [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_done_cb [2019-10-13 22:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc_len [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_pld [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_done [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_slowpath [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_done_cb [2019-10-13 22:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_up [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_down [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_out_of_sync [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_up_cb [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_down_cb [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_aggregation_tout [2019-10-13 22:18:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_xmit [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_setup [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_open [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_close [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_uninit [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_netlink_parms [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_changelink [2019-10-13 22:18:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_get_size [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_fill_info [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_newlink [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~$Pointer$ [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_exit_module [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_init_module [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2019-10-13 22:18:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 22:18:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:18:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:18:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:18:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:18:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:18:12,161 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:18:31,739 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:18:31,739 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 22:18:31,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:18:31 BoogieIcfgContainer [2019-10-13 22:18:31,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:18:31,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:18:31,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:18:31,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:18:31,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:18:05" (1/3) ... [2019-10-13 22:18:31,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b3404e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:18:31, skipping insertion in model container [2019-10-13 22:18:31,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09" (2/3) ... [2019-10-13 22:18:31,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b3404e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:18:31, skipping insertion in model container [2019-10-13 22:18:31,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:18:31" (3/3) ... [2019-10-13 22:18:31,750 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2019-10-13 22:18:31,761 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:18:31,772 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:18:31,785 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:18:31,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:18:31,818 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:18:31,818 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:18:31,818 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:18:31,818 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:18:31,818 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:18:31,819 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:18:31,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:18:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states. [2019-10-13 22:18:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 22:18:31,882 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:31,884 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:18:31,886 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:31,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1253481609, now seen corresponding path program 1 times [2019-10-13 22:18:31,903 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:31,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834871341] [2019-10-13 22:18:31,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:31,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:31,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:18:33,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834871341] [2019-10-13 22:18:33,145 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:33,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:18:33,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098422764] [2019-10-13 22:18:33,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:18:33,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:33,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:18:33,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:18:33,174 INFO L87 Difference]: Start difference. First operand 1411 states. Second operand 6 states. [2019-10-13 22:18:38,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:38,409 INFO L93 Difference]: Finished difference Result 3335 states and 4560 transitions. [2019-10-13 22:18:38,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 22:18:38,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 22:18:38,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:38,470 INFO L225 Difference]: With dead ends: 3335 [2019-10-13 22:18:38,470 INFO L226 Difference]: Without dead ends: 2180 [2019-10-13 22:18:38,486 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 22:18:38,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2019-10-13 22:18:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 2180. [2019-10-13 22:18:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2019-10-13 22:18:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2921 transitions. [2019-10-13 22:18:38,789 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2921 transitions. Word has length 57 [2019-10-13 22:18:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:38,791 INFO L462 AbstractCegarLoop]: Abstraction has 2180 states and 2921 transitions. [2019-10-13 22:18:38,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:18:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2921 transitions. [2019-10-13 22:18:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 22:18:38,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:38,816 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:18:38,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2135204124, now seen corresponding path program 1 times [2019-10-13 22:18:38,817 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:38,817 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506780081] [2019-10-13 22:18:38,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:38,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:38,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:18:39,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506780081] [2019-10-13 22:18:39,320 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:39,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:18:39,321 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718222942] [2019-10-13 22:18:39,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:18:39,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:39,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:18:39,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:39,324 INFO L87 Difference]: Start difference. First operand 2180 states and 2921 transitions. Second operand 3 states. [2019-10-13 22:18:40,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:40,472 INFO L93 Difference]: Finished difference Result 5742 states and 7667 transitions. [2019-10-13 22:18:40,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:18:40,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-13 22:18:40,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:40,507 INFO L225 Difference]: With dead ends: 5742 [2019-10-13 22:18:40,507 INFO L226 Difference]: Without dead ends: 3580 [2019-10-13 22:18:40,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:40,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-13 22:18:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3550. [2019-10-13 22:18:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3550 states. [2019-10-13 22:18:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 4735 transitions. [2019-10-13 22:18:40,781 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 4735 transitions. Word has length 170 [2019-10-13 22:18:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:40,783 INFO L462 AbstractCegarLoop]: Abstraction has 3550 states and 4735 transitions. [2019-10-13 22:18:40,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:18:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4735 transitions. [2019-10-13 22:18:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 22:18:40,801 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:40,801 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:18:40,802 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:40,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:40,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1254613781, now seen corresponding path program 1 times [2019-10-13 22:18:40,802 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:40,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692101514] [2019-10-13 22:18:40,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:40,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:40,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 22:18:41,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692101514] [2019-10-13 22:18:41,246 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:41,246 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:18:41,246 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910400139] [2019-10-13 22:18:41,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:18:41,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:41,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:18:41,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:18:41,251 INFO L87 Difference]: Start difference. First operand 3550 states and 4735 transitions. Second operand 5 states. [2019-10-13 22:18:41,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:41,455 INFO L93 Difference]: Finished difference Result 7106 states and 9674 transitions. [2019-10-13 22:18:41,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:18:41,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2019-10-13 22:18:41,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:41,489 INFO L225 Difference]: With dead ends: 7106 [2019-10-13 22:18:41,489 INFO L226 Difference]: Without dead ends: 3574 [2019-10-13 22:18:41,513 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 [2019-10-13 22:18:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2019-10-13 22:18:41,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3570. [2019-10-13 22:18:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3570 states. [2019-10-13 22:18:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4770 transitions. [2019-10-13 22:18:41,938 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4770 transitions. Word has length 144 [2019-10-13 22:18:41,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:41,940 INFO L462 AbstractCegarLoop]: Abstraction has 3570 states and 4770 transitions. [2019-10-13 22:18:41,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:18:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4770 transitions. [2019-10-13 22:18:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 22:18:41,958 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:41,959 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:18:41,959 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:41,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:41,960 INFO L82 PathProgramCache]: Analyzing trace with hash 866823356, now seen corresponding path program 1 times [2019-10-13 22:18:41,960 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:41,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513090336] [2019-10-13 22:18:41,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:41,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:41,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat