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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:57:52,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:57:52,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:57:52,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:57:52,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:57:52,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:57:52,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:57:52,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:57:52,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:57:52,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:57:52,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:57:52,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:57:52,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:57:52,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:57:52,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:57:52,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:57:52,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:57:52,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:57:52,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:57:52,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:57:52,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:57:52,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:57:52,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:57:52,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:57:52,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:57:52,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:57:52,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:57:52,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:57:52,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:57:52,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:57:52,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:57:52,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:57:52,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:57:52,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:57:52,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:57:52,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:57:52,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:57:52,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:57:52,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:57:52,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:57:52,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:57:52,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:57:52,284 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:57:52,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:57:52,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:57:52,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:57:52,286 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:57:52,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:57:52,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:57:52,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:57:52,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:57:52,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:57:52,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:57:52,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:57:52,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:57:52,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:57:52,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:57:52,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:57:52,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:57:52,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:57:52,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:57:52,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:57:52,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:57:52,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:57:52,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:57:52,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:57:52,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:57:52,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:57:52,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:57:52,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:57:52,291 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 [2019-10-15 00:57:52,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:57:52,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:57:52,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:57:52,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:57:52,623 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:57:52,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 00:57:52,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01528b190/0b71f8e96d5c447cadbb6bd204f810a7/FLAG018d54ef6 [2019-10-15 00:57:53,471 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:57:53,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 00:57:53,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01528b190/0b71f8e96d5c447cadbb6bd204f810a7/FLAG018d54ef6 [2019-10-15 00:57:54,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01528b190/0b71f8e96d5c447cadbb6bd204f810a7 [2019-10-15 00:57:54,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:57:54,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:57:54,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:57:54,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:57:54,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:57:54,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:57:54" (1/1) ... [2019-10-15 00:57:54,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8127a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:54, skipping insertion in model container [2019-10-15 00:57:54,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:57:54" (1/1) ... [2019-10-15 00:57:54,045 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:57:54,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:57:56,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:57:56,484 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:57:56,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:57:57,180 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:57:57,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57 WrapperNode [2019-10-15 00:57:57,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:57:57,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:57:57,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:57:57,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:57:57,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... [2019-10-15 00:57:57,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:57:57,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:57:57,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:57:57,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:57:57,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:57:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:57:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:57:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:57:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 00:57:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 00:57:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:57:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:57:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:57:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:57:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:57:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:57:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:57:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:57:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:57:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:57:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 00:57:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:57:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:57:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 00:57:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 00:57:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2019-10-15 00:57:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:57:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 00:57:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:57:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:57:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:57:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 00:57:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 00:57:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 00:57:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-10-15 00:57:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:57:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2019-10-15 00:57:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2019-10-15 00:57:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2019-10-15 00:57:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2019-10-15 00:57:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2019-10-15 00:57:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2019-10-15 00:57:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2019-10-15 00:57:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2019-10-15 00:57:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2019-10-15 00:57:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2019-10-15 00:57:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-10-15 00:57:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2019-10-15 00:57:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-10-15 00:57:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-10-15 00:57:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2019-10-15 00:57:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2019-10-15 00:57:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2019-10-15 00:57:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2019-10-15 00:57:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-10-15 00:57:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2019-10-15 00:57:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2019-10-15 00:57:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-10-15 00:57:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2019-10-15 00:57:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2019-10-15 00:57:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2019-10-15 00:57:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2019-10-15 00:57:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2019-10-15 00:57:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:57:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-10-15 00:57:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:57:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-15 00:57:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 00:57:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 00:57:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 00:57:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:57:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2019-10-15 00:57:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2019-10-15 00:57:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2019-10-15 00:57:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2019-10-15 00:57:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-15 00:57:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2019-10-15 00:57:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-15 00:57:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-15 00:57:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2019-10-15 00:57:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2019-10-15 00:57:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:57:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:57:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:57:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:57:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:57:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:57:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:57:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 00:57:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 00:57:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 00:57:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 00:57:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:57:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 00:57:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:57:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 00:57:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:57:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 00:57:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 00:57:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2019-10-15 00:57:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2019-10-15 00:57:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 00:57:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 00:57:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2019-10-15 00:57:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2019-10-15 00:57:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-15 00:57:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-10-15 00:57:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:57:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:57:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:57:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:57:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:57:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:57:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:57:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-15 00:57:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:57:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:57:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:57:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-15 00:57:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 00:57:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 00:57:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 00:57:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2019-10-15 00:57:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2019-10-15 00:57:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:57:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2019-10-15 00:57:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2019-10-15 00:57:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-15 00:57:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-15 00:57:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:57:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:57:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:57:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 00:57:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-15 00:57:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-15 00:57:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-10-15 00:57:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-10-15 00:57:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2019-10-15 00:57:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2019-10-15 00:57:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:57:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2019-10-15 00:57:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2019-10-15 00:57:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2019-10-15 00:57:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2019-10-15 00:57:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2019-10-15 00:57:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-10-15 00:57:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2019-10-15 00:57:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2019-10-15 00:57:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-10-15 00:57:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2019-10-15 00:57:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2019-10-15 00:57:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:57:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:57:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:57:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:57:59,161 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:58:14,936 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:58:14,937 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:58:14,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:58:14 BoogieIcfgContainer [2019-10-15 00:58:14,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:58:14,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:58:14,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:58:14,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:58:14,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:57:54" (1/3) ... [2019-10-15 00:58:14,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b3d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:58:14, skipping insertion in model container [2019-10-15 00:58:14,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:57" (2/3) ... [2019-10-15 00:58:14,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b3d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:58:14, skipping insertion in model container [2019-10-15 00:58:14,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:58:14" (3/3) ... [2019-10-15 00:58:14,951 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 00:58:14,961 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:58:14,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:58:14,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:58:15,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:58:15,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:58:15,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:58:15,035 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:58:15,035 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:58:15,035 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:58:15,035 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:58:15,035 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:58:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states. [2019-10-15 00:58:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-15 00:58:15,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:15,103 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-15 00:58:15,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:15,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:15,111 INFO L82 PathProgramCache]: Analyzing trace with hash 953511132, now seen corresponding path program 1 times [2019-10-15 00:58:15,121 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:15,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258923562] [2019-10-15 00:58:15,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:15,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:15,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 00:58:16,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258923562] [2019-10-15 00:58:16,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:16,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:58:16,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393422041] [2019-10-15 00:58:16,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:58:16,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:16,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:58:16,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:16,165 INFO L87 Difference]: Start difference. First operand 1660 states. Second operand 3 states. [2019-10-15 00:58:17,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:17,706 INFO L93 Difference]: Finished difference Result 3318 states and 4469 transitions. [2019-10-15 00:58:17,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:58:17,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-15 00:58:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:17,752 INFO L225 Difference]: With dead ends: 3318 [2019-10-15 00:58:17,753 INFO L226 Difference]: Without dead ends: 1998 [2019-10-15 00:58:17,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:17,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2019-10-15 00:58:18,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1986. [2019-10-15 00:58:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-10-15 00:58:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2671 transitions. [2019-10-15 00:58:18,036 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2671 transitions. Word has length 54 [2019-10-15 00:58:18,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:58:18,037 INFO L462 AbstractCegarLoop]: Abstraction has 1986 states and 2671 transitions. [2019-10-15 00:58:18,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:58:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2671 transitions. [2019-10-15 00:58:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 00:58:18,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:18,055 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-15 00:58:18,056 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:18,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:18,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1836427751, now seen corresponding path program 1 times [2019-10-15 00:58:18,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:18,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531295719] [2019-10-15 00:58:18,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:18,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:18,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 00:58:18,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531295719] [2019-10-15 00:58:18,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:18,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:58:18,524 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91585201] [2019-10-15 00:58:18,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:58:18,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:18,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:58:18,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:18,526 INFO L87 Difference]: Start difference. First operand 1986 states and 2671 transitions. Second operand 3 states. [2019-10-15 00:58:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:22,487 INFO L93 Difference]: Finished difference Result 3949 states and 5317 transitions. [2019-10-15 00:58:22,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:58:22,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-15 00:58:22,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:22,505 INFO L225 Difference]: With dead ends: 3949 [2019-10-15 00:58:22,505 INFO L226 Difference]: Without dead ends: 1986 [2019-10-15 00:58:22,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:22,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2019-10-15 00:58:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2019-10-15 00:58:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-10-15 00:58:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2670 transitions. [2019-10-15 00:58:22,625 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2670 transitions. Word has length 94 [2019-10-15 00:58:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:58:22,627 INFO L462 AbstractCegarLoop]: Abstraction has 1986 states and 2670 transitions. [2019-10-15 00:58:22,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:58:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2670 transitions. [2019-10-15 00:58:22,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 00:58:22,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:22,631 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2019-10-15 00:58:22,631 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:22,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:22,632 INFO L82 PathProgramCache]: Analyzing trace with hash -344596494, now seen corresponding path program 1 times [2019-10-15 00:58:22,632 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:22,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137356527] [2019-10-15 00:58:22,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:22,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:22,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-10-15 00:58:24,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137356527] [2019-10-15 00:58:24,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:24,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:58:24,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824190027] [2019-10-15 00:58:24,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:58:24,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:24,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:58:24,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:24,024 INFO L87 Difference]: Start difference. First operand 1986 states and 2670 transitions. Second operand 3 states. [2019-10-15 00:58:24,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:24,090 INFO L93 Difference]: Finished difference Result 2015 states and 2694 transitions. [2019-10-15 00:58:24,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:58:24,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-10-15 00:58:24,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:24,103 INFO L225 Difference]: With dead ends: 2015 [2019-10-15 00:58:24,103 INFO L226 Difference]: Without dead ends: 2012 [2019-10-15 00:58:24,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:58:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-10-15 00:58:24,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 2012. [2019-10-15 00:58:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2012 states. [2019-10-15 00:58:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2691 transitions. [2019-10-15 00:58:24,197 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2691 transitions. Word has length 108 [2019-10-15 00:58:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:58:24,197 INFO L462 AbstractCegarLoop]: Abstraction has 2012 states and 2691 transitions. [2019-10-15 00:58:24,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:58:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2691 transitions. [2019-10-15 00:58:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-15 00:58:24,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:24,202 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:58:24,202 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:24,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash 31841057, now seen corresponding path program 1 times [2019-10-15 00:58:24,203 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:24,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787133874] [2019-10-15 00:58:24,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:24,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:24,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 00:58:24,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787133874] [2019-10-15 00:58:24,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:24,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:58:24,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807769577] [2019-10-15 00:58:24,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:58:24,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:24,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:58:24,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:58:24,698 INFO L87 Difference]: Start difference. First operand 2012 states and 2691 transitions. Second operand 5 states. [2019-10-15 00:58:24,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:24,922 INFO L93 Difference]: Finished difference Result 6005 states and 8082 transitions. [2019-10-15 00:58:24,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:58:24,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2019-10-15 00:58:24,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:24,946 INFO L225 Difference]: With dead ends: 6005 [2019-10-15 00:58:24,947 INFO L226 Difference]: Without dead ends: 4017 [2019-10-15 00:58:24,956 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:58:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2019-10-15 00:58:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3994. [2019-10-15 00:58:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3994 states. [2019-10-15 00:58:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5362 transitions. [2019-10-15 00:58:25,132 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5362 transitions. Word has length 111 [2019-10-15 00:58:25,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:58:25,133 INFO L462 AbstractCegarLoop]: Abstraction has 3994 states and 5362 transitions. [2019-10-15 00:58:25,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:58:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5362 transitions. [2019-10-15 00:58:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 00:58:25,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:25,137 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:58:25,138 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:25,138 INFO L82 PathProgramCache]: Analyzing trace with hash -864037351, now seen corresponding path program 1 times [2019-10-15 00:58:25,139 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:25,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291823577] [2019-10-15 00:58:25,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:25,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:25,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 00:58:25,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291823577] [2019-10-15 00:58:25,582 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:25,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:58:25,583 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690349798] [2019-10-15 00:58:25,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:58:25,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:25,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:58:25,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:58:25,584 INFO L87 Difference]: Start difference. First operand 3994 states and 5362 transitions. Second operand 5 states. [2019-10-15 00:58:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:25,944 INFO L93 Difference]: Finished difference Result 11976 states and 16169 transitions. [2019-10-15 00:58:25,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:58:25,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2019-10-15 00:58:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:26,067 INFO L225 Difference]: With dead ends: 11976 [2019-10-15 00:58:26,067 INFO L226 Difference]: Without dead ends: 8006 [2019-10-15 00:58:26,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:58:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8006 states. [2019-10-15 00:58:26,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8006 to 7967. [2019-10-15 00:58:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7967 states. [2019-10-15 00:58:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7967 states to 7967 states and 10728 transitions. [2019-10-15 00:58:26,484 INFO L78 Accepts]: Start accepts. Automaton has 7967 states and 10728 transitions. Word has length 112 [2019-10-15 00:58:26,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:58:26,485 INFO L462 AbstractCegarLoop]: Abstraction has 7967 states and 10728 transitions. [2019-10-15 00:58:26,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:58:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7967 states and 10728 transitions. [2019-10-15 00:58:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-15 00:58:26,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:58:26,491 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:58:26,491 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:58:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:58:26,492 INFO L82 PathProgramCache]: Analyzing trace with hash -693855772, now seen corresponding path program 1 times [2019-10-15 00:58:26,492 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:58:26,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430882292] [2019-10-15 00:58:26,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:26,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:58:26,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:58:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:58:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 00:58:27,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430882292] [2019-10-15 00:58:27,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:58:27,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:58:27,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53813043] [2019-10-15 00:58:27,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:58:27,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:58:27,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:58:27,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:58:27,022 INFO L87 Difference]: Start difference. First operand 7967 states and 10728 transitions. Second operand 5 states. [2019-10-15 00:58:27,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:58:27,609 INFO L93 Difference]: Finished difference Result 23940 states and 32421 transitions. [2019-10-15 00:58:27,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:58:27,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2019-10-15 00:58:27,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:58:27,724 INFO L225 Difference]: With dead ends: 23940 [2019-10-15 00:58:27,725 INFO L226 Difference]: Without dead ends: 15997 [2019-10-15 00:58:27,775 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:58:27,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15997 states. [2019-10-15 00:58:28,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15997 to 15922. [2019-10-15 00:58:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15922 states.