java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_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 20:32:09,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:32:09,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:32:09,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:32:09,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:32:09,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:32:09,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:32:10,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:32:10,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:32:10,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:32:10,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:32:10,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:32:10,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:32:10,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:32:10,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:32:10,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:32:10,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:32:10,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:32:10,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:32:10,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:32:10,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:32:10,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:32:10,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:32:10,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:32:10,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:32:10,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:32:10,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:32:10,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:32:10,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:32:10,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:32:10,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:32:10,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:32:10,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:32:10,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:32:10,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:32:10,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:32:10,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:32:10,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:32:10,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:32:10,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:32:10,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:32:10,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:32:10,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:32:10,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:32:10,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:32:10,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:32:10,064 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:32:10,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:32:10,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:32:10,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:32:10,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:32:10,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:32:10,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:32:10,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:32:10,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:32:10,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:32:10,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:32:10,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:32:10,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:32:10,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:32:10,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:32:10,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:32:10,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:32:10,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:10,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:32:10,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:32:10,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:32:10,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:32:10,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:32:10,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:32:10,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:32:10,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:32:10,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:32:10,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:32:10,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:32:10,378 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:32:10,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2019-10-13 20:32:10,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd28ef7b/7184fa22205643fdba65b7d4321af3ed/FLAG079bd069d [2019-10-13 20:32:11,159 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:32:11,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2019-10-13 20:32:11,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd28ef7b/7184fa22205643fdba65b7d4321af3ed/FLAG079bd069d [2019-10-13 20:32:11,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd28ef7b/7184fa22205643fdba65b7d4321af3ed [2019-10-13 20:32:11,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:32:11,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:32:11,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:11,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:32:11,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:32:11,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:11" (1/1) ... [2019-10-13 20:32:11,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb099d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:11, skipping insertion in model container [2019-10-13 20:32:11,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:11" (1/1) ... [2019-10-13 20:32:11,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:32:11,463 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:32:13,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:13,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:32:14,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:14,313 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:32:14,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14 WrapperNode [2019-10-13 20:32:14,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:14,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:32:14,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:32:14,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:32:14,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:32:14,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:32:14,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:32:14,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:32:14,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:32:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~$Pointer$ [2019-10-13 20:32:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 20:32:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:32:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:32:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:32:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:32:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:32:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:32:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:32:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:32:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-13 20:32:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:32:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 20:32:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 20:32:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:32:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:32:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:32:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:32:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:32:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:32:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:32:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:32:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-10-13 20:32:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-10-13 20:32:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-10-13 20:32:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 20:32:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_inactivity_tout [2019-10-13 20:32:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_update_aggregation_stats [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_can_send_aggregate [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_dequeue [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_queue_len [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_abort_tx [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_flush_fifo [2019-10-13 20:32:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_frm [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_start_tx [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_done [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_done_cb [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc_len [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_pld [2019-10-13 20:32:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_done [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_slowpath [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_done_cb [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_up [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_down [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_out_of_sync [2019-10-13 20:32:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_up_cb [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_wake_down_cb [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_aggregation_tout [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_xmit [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_setup [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_open [2019-10-13 20:32:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_close [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_uninit [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_netlink_parms [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_changelink [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_get_size [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_fill_info [2019-10-13 20:32:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_newlink [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_exit_module [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_init_module [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 20:32:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 20:32:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:32:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2019-10-13 20:32:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_19 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2019-10-13 20:32:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_23 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_25 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_26 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_pending_27 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_29 [2019-10-13 20:32:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_30 [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_31 [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_32 [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 20:32:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:32:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 20:32:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:32:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 20:32:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 20:32:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 20:32:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 20:32:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:32:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-13 20:32:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:32:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer_pending [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_state_change [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 20:32:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-13 20:32:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 20:32:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:32:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:32:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:32:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:32:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:32:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:32:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:32:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:32:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 20:32:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 20:32:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_29 [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_19 [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer_pending [2019-10-13 20:32:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_pending_27 [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_30 [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_31 [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_32 [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 20:32:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:32:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 20:32:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2019-10-13 20:32:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-13 20:32:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 20:32:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:32:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:32:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 20:32:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 20:32:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-10-13 20:32:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_25 [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_23 [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_26 [2019-10-13 20:32:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_state_change [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-13 20:32:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-13 20:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_inactivity_tout [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_update_aggregation_stats [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_can_send_aggregate [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_dequeue [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_queue_len [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_abort_tx [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_flush_fifo [2019-10-13 20:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_frm [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_start_tx [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_done [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_done_cb [2019-10-13 20:32:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc_len [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_pld [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_done [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_slowpath [2019-10-13 20:32:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_done_cb [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_up [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_down [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_out_of_sync [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_up_cb [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_wake_down_cb [2019-10-13 20:32:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_aggregation_tout [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_xmit [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_setup [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_open [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_close [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_uninit [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_netlink_parms [2019-10-13 20:32:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_changelink [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_get_size [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_fill_info [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_newlink [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~$Pointer$ [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_exit_module [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_init_module [2019-10-13 20:32:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 20:32:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:32:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:32:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:32:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:32:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:32:16,843 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:32:27,842 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:32:27,842 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 20:32:27,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:27 BoogieIcfgContainer [2019-10-13 20:32:27,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:32:27,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:32:27,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:32:27,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:32:27,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:32:11" (1/3) ... [2019-10-13 20:32:27,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69154024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:27, skipping insertion in model container [2019-10-13 20:32:27,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14" (2/3) ... [2019-10-13 20:32:27,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69154024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:27, skipping insertion in model container [2019-10-13 20:32:27,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:27" (3/3) ... [2019-10-13 20:32:27,852 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 20:32:27,862 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:32:27,871 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:32:27,883 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:32:27,923 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:32:27,923 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:32:27,923 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:32:27,923 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:32:27,924 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:32:27,924 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:32:27,924 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:32:27,924 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:32:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states. [2019-10-13 20:32:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 20:32:27,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:28,000 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, 1, 1, 1, 1, 1] [2019-10-13 20:32:28,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:28,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:28,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1501589027, now seen corresponding path program 1 times [2019-10-13 20:32:28,018 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:28,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612577468] [2019-10-13 20:32:28,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:29,166 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 20:32:29,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612577468] [2019-10-13 20:32:29,167 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:29,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:29,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175080077] [2019-10-13 20:32:29,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:29,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:29,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:29,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:29,191 INFO L87 Difference]: Start difference. First operand 1659 states. Second operand 6 states. [2019-10-13 20:32:34,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:34,465 INFO L93 Difference]: Finished difference Result 3941 states and 5365 transitions. [2019-10-13 20:32:34,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 20:32:34,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-13 20:32:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:34,515 INFO L225 Difference]: With dead ends: 3941 [2019-10-13 20:32:34,516 INFO L226 Difference]: Without dead ends: 2578 [2019-10-13 20:32:34,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 20:32:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2019-10-13 20:32:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2578. [2019-10-13 20:32:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2578 states. [2019-10-13 20:32:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3445 transitions. [2019-10-13 20:32:34,886 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3445 transitions. Word has length 62 [2019-10-13 20:32:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:34,887 INFO L462 AbstractCegarLoop]: Abstraction has 2578 states and 3445 transitions. [2019-10-13 20:32:34,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3445 transitions. [2019-10-13 20:32:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 20:32:34,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:34,913 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:34,913 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:34,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:34,914 INFO L82 PathProgramCache]: Analyzing trace with hash -753384260, now seen corresponding path program 1 times [2019-10-13 20:32:34,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:34,915 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713085821] [2019-10-13 20:32:34,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:34,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:34,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 20:32:35,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713085821] [2019-10-13 20:32:35,501 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:35,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:32:35,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509303502] [2019-10-13 20:32:35,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:32:35,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:35,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:32:35,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:35,504 INFO L87 Difference]: Start difference. First operand 2578 states and 3445 transitions. Second operand 5 states. [2019-10-13 20:32:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:35,666 INFO L93 Difference]: Finished difference Result 5148 states and 7013 transitions. [2019-10-13 20:32:35,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:32:35,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2019-10-13 20:32:35,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:35,701 INFO L225 Difference]: With dead ends: 5148 [2019-10-13 20:32:35,702 INFO L226 Difference]: Without dead ends: 2590 [2019-10-13 20:32:35,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:35,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2019-10-13 20:32:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2588. [2019-10-13 20:32:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2588 states. [2019-10-13 20:32:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 3469 transitions. [2019-10-13 20:32:35,974 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 3469 transitions. Word has length 162 [2019-10-13 20:32:35,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:35,977 INFO L462 AbstractCegarLoop]: Abstraction has 2588 states and 3469 transitions. [2019-10-13 20:32:35,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:32:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 3469 transitions. [2019-10-13 20:32:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 20:32:35,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:35,995 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:35,996 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:35,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1505617315, now seen corresponding path program 1 times [2019-10-13 20:32:35,996 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:35,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646695889] [2019-10-13 20:32:35,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:35,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:35,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 20:32:36,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646695889] [2019-10-13 20:32:36,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:36,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:32:36,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495255521] [2019-10-13 20:32:36,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:32:36,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:36,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:32:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:36,445 INFO L87 Difference]: Start difference. First operand 2588 states and 3469 transitions. Second operand 5 states. [2019-10-13 20:32:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:36,619 INFO L93 Difference]: Finished difference Result 5178 states and 7015 transitions. [2019-10-13 20:32:36,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:32:36,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2019-10-13 20:32:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:36,639 INFO L225 Difference]: With dead ends: 5178 [2019-10-13 20:32:36,639 INFO L226 Difference]: Without dead ends: 2610 [2019-10-13 20:32:36,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2019-10-13 20:32:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 2596. [2019-10-13 20:32:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2019-10-13 20:32:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3481 transitions. [2019-10-13 20:32:36,801 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3481 transitions. Word has length 170 [2019-10-13 20:32:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:36,805 INFO L462 AbstractCegarLoop]: Abstraction has 2596 states and 3481 transitions. [2019-10-13 20:32:36,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:32:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3481 transitions. [2019-10-13 20:32:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 20:32:36,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:36,826 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:36,827 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2017660782, now seen corresponding path program 1 times [2019-10-13 20:32:36,828 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:36,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580072355] [2019-10-13 20:32:36,828 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-13 20:32:37,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580072355] [2019-10-13 20:32:37,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:37,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:37,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796077045] [2019-10-13 20:32:37,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:37,292 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:37,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:37,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:37,292 INFO L87 Difference]: Start difference. First operand 2596 states and 3481 transitions. Second operand 3 states. [2019-10-13 20:32:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:38,551 INFO L93 Difference]: Finished difference Result 6866 states and 9170 transitions. [2019-10-13 20:32:38,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:38,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-10-13 20:32:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:38,585 INFO L225 Difference]: With dead ends: 6866 [2019-10-13 20:32:38,586 INFO L226 Difference]: Without dead ends: 4290 [2019-10-13 20:32:38,600 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:38,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4290 states. [2019-10-13 20:32:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4290 to 4256. [2019-10-13 20:32:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4256 states. [2019-10-13 20:32:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 5679 transitions. [2019-10-13 20:32:38,783 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 5679 transitions. Word has length 204 [2019-10-13 20:32:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:38,784 INFO L462 AbstractCegarLoop]: Abstraction has 4256 states and 5679 transitions. [2019-10-13 20:32:38,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 5679 transitions. [2019-10-13 20:32:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 20:32:38,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:38,796 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:38,797 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:38,797 INFO L82 PathProgramCache]: Analyzing trace with hash 2049978954, now seen corresponding path program 1 times [2019-10-13 20:32:38,797 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:38,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303695743] [2019-10-13 20:32:38,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:38,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:38,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-13 20:32:39,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303695743] [2019-10-13 20:32:39,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438306817] [2019-10-13 20:32:39,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:32:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:41,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 5229 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 20:32:41,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:32:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-13 20:32:41,765 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:32:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 20:32:42,288 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 20:32:42,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 4 [2019-10-13 20:32:42,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445406475] [2019-10-13 20:32:42,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:42,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:42,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:42,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:32:42,290 INFO L87 Difference]: Start difference. First operand 4256 states and 5679 transitions. Second operand 3 states. [2019-10-13 20:32:42,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:42,432 INFO L93 Difference]: Finished difference Result 8500 states and 11444 transitions. [2019-10-13 20:32:42,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:42,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-13 20:32:42,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:42,461 INFO L225 Difference]: With dead ends: 8500 [2019-10-13 20:32:42,461 INFO L226 Difference]: Without dead ends: 4264 [2019-10-13 20:32:42,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:32:42,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2019-10-13 20:32:42,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4264. [2019-10-13 20:32:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4264 states. [2019-10-13 20:32:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 5687 transitions. [2019-10-13 20:32:42,639 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 5687 transitions. Word has length 191 [2019-10-13 20:32:42,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:42,639 INFO L462 AbstractCegarLoop]: Abstraction has 4264 states and 5687 transitions. [2019-10-13 20:32:42,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 5687 transitions. [2019-10-13 20:32:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 20:32:42,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:42,651 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:42,864 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:32:42,865 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:42,865 INFO L82 PathProgramCache]: Analyzing trace with hash 336809373, now seen corresponding path program 1 times [2019-10-13 20:32:42,866 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:42,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985567729] [2019-10-13 20:32:42,866 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:42,866 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:42,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 20:32:43,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985567729] [2019-10-13 20:32:43,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:43,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:43,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318565197] [2019-10-13 20:32:43,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:43,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:43,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:43,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:43,283 INFO L87 Difference]: Start difference. First operand 4264 states and 5687 transitions. Second operand 3 states. [2019-10-13 20:32:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:43,415 INFO L93 Difference]: Finished difference Result 8520 states and 11461 transitions. [2019-10-13 20:32:43,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:43,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-13 20:32:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:43,444 INFO L225 Difference]: With dead ends: 8520 [2019-10-13 20:32:43,444 INFO L226 Difference]: Without dead ends: 4276 [2019-10-13 20:32:43,463 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-10-13 20:32:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4268. [2019-10-13 20:32:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4268 states. [2019-10-13 20:32:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 5691 transitions. [2019-10-13 20:32:43,660 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 5691 transitions. Word has length 181 [2019-10-13 20:32:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:43,661 INFO L462 AbstractCegarLoop]: Abstraction has 4268 states and 5691 transitions. [2019-10-13 20:32:43,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 5691 transitions. [2019-10-13 20:32:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 20:32:43,680 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:43,680 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:43,681 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash -121972960, now seen corresponding path program 1 times [2019-10-13 20:32:43,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:43,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146826679] [2019-10-13 20:32:43,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:43,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:43,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-13 20:32:44,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146826679] [2019-10-13 20:32:44,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530135986] [2019-10-13 20:32:44,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true