/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --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-fb55353 [2019-11-07 00:21:26,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:21:26,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:21:26,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:21:26,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:21:26,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:21:26,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:21:26,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:21:26,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:21:26,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:21:26,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:21:26,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:21:26,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:21:26,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:21:26,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:21:26,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:21:26,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:21:26,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:21:26,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:21:26,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:21:26,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:21:26,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:21:26,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:21:26,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:21:26,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:21:26,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:21:26,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:21:26,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:21:26,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:21:26,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:21:26,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:21:26,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:21:26,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:21:26,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:21:26,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:21:26,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:21:26,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:21:26,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:21:26,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:21:26,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:21:26,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:21:26,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:21:26,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:21:26,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:21:26,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:21:26,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:21:26,304 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:21:26,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:21:26,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:21:26,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:21:26,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:21:26,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:21:26,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:21:26,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:21:26,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:21:26,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:21:26,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:21:26,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:21:26,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:21:26,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:21:26,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:21:26,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:21:26,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:21:26,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:21:26,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:21:26,308 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 [2019-11-07 00:21:26,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:21:26,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:21:26,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:21:26,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:21:26,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:21:26,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-11-07 00:21:26,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd64cc955/ef1272b3f8d645baa93870ad511fd422/FLAGc85c97fd7 [2019-11-07 00:21:27,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:21:27,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-11-07 00:21:27,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd64cc955/ef1272b3f8d645baa93870ad511fd422/FLAGc85c97fd7 [2019-11-07 00:21:27,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd64cc955/ef1272b3f8d645baa93870ad511fd422 [2019-11-07 00:21:28,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:21:28,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:21:28,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:21:28,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:21:28,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:21:28,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:21:27" (1/1) ... [2019-11-07 00:21:28,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fccdd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:28, skipping insertion in model container [2019-11-07 00:21:28,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:21:27" (1/1) ... [2019-11-07 00:21:28,018 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:21:28,190 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:21:30,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:21:31,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:21:31,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:21:31,678 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:21:31,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31 WrapperNode [2019-11-07 00:21:31,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:21:31,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:21:31,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:21:31,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:21:31,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:31,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:31,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:31,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:31,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:31,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:32,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... [2019-11-07 00:21:32,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:21:32,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:21:32,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:21:32,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:21:32,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:21:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:21:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:21:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:21:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-11-07 00:21:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-07 00:21:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-07 00:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 00:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:21:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:21:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:21:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:21:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:21:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:21:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-07 00:21:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 00:21:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:21:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-07 00:21:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 00:21:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-11-07 00:21:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2019-11-07 00:21:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2019-11-07 00:21:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2019-11-07 00:21:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2019-11-07 00:21:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2019-11-07 00:21:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2019-11-07 00:21:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2019-11-07 00:21:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2019-11-07 00:21:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2019-11-07 00:21:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-11-07 00:21:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2019-11-07 00:21:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2019-11-07 00:21:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-11-07 00:21:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-11-07 00:21:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:21:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-11-07 00:21:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2019-11-07 00:21:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-11-07 00:21:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:21:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-07 00:21:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-11-07 00:21:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2019-11-07 00:21:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2019-11-07 00:21:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:21:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-11-07 00:21:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2019-11-07 00:21:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 00:21:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-11-07 00:21:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:21:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:21:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:21:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:21:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:21:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:21:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:21:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:21:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:21:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:21:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:21:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2019-11-07 00:21:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-07 00:21:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 00:21:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 00:21:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-11-07 00:21:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-11-07 00:21:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-11-07 00:21:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-07 00:21:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-07 00:21:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-11-07 00:21:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-11-07 00:21:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:21:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2019-11-07 00:21:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-11-07 00:21:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2019-11-07 00:21:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2019-11-07 00:21:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2019-11-07 00:21:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2019-11-07 00:21:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2019-11-07 00:21:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-11-07 00:21:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-11-07 00:21:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:21:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:21:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:21:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:21:33,536 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:21:49,697 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:21:49,698 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:21:49,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:21:49 BoogieIcfgContainer [2019-11-07 00:21:49,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:21:49,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:21:49,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:21:49,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:21:49,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:21:27" (1/3) ... [2019-11-07 00:21:49,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6788fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:21:49, skipping insertion in model container [2019-11-07 00:21:49,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:31" (2/3) ... [2019-11-07 00:21:49,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6788fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:21:49, skipping insertion in model container [2019-11-07 00:21:49,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:21:49" (3/3) ... [2019-11-07 00:21:49,708 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-11-07 00:21:49,718 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:21:49,727 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:21:49,738 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:21:49,771 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:21:49,771 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:21:49,772 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:21:49,772 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:21:49,772 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:21:49,772 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:21:49,772 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:21:49,772 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:21:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states. [2019-11-07 00:21:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-07 00:21:49,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:21:49,832 INFO L410 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] [2019-11-07 00:21:49,834 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:21:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:21:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash 953511132, now seen corresponding path program 1 times [2019-11-07 00:21:49,846 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:21:49,847 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111199426] [2019-11-07 00:21:49,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:21:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:21:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-07 00:21:51,017 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111199426] [2019-11-07 00:21:51,018 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:21:51,018 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:21:51,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102624252] [2019-11-07 00:21:51,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:21:51,025 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:21:51,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:21:51,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:51,043 INFO L87 Difference]: Start difference. First operand 1660 states. Second operand 3 states. [2019-11-07 00:21:52,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:21:52,680 INFO L93 Difference]: Finished difference Result 3318 states and 4469 transitions. [2019-11-07 00:21:52,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:21:52,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-07 00:21:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:21:52,716 INFO L225 Difference]: With dead ends: 3318 [2019-11-07 00:21:52,716 INFO L226 Difference]: Without dead ends: 1998 [2019-11-07 00:21:52,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:52,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2019-11-07 00:21:52,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1986. [2019-11-07 00:21:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-11-07 00:21:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2671 transitions. [2019-11-07 00:21:52,958 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2671 transitions. Word has length 54 [2019-11-07 00:21:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:21:52,959 INFO L462 AbstractCegarLoop]: Abstraction has 1986 states and 2671 transitions. [2019-11-07 00:21:52,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:21:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2671 transitions. [2019-11-07 00:21:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 00:21:52,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:21:52,966 INFO L410 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] [2019-11-07 00:21:52,967 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:21:52,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:21:52,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1836427751, now seen corresponding path program 1 times [2019-11-07 00:21:52,967 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:21:52,968 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382106036] [2019-11-07 00:21:52,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:21:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:21:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-07 00:21:53,429 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382106036] [2019-11-07 00:21:53,429 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:21:53,429 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:21:53,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702457014] [2019-11-07 00:21:53,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:21:53,431 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:21:53,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:21:53,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:53,432 INFO L87 Difference]: Start difference. First operand 1986 states and 2671 transitions. Second operand 3 states. [2019-11-07 00:21:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:21:57,092 INFO L93 Difference]: Finished difference Result 3949 states and 5317 transitions. [2019-11-07 00:21:57,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:21:57,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-11-07 00:21:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:21:57,108 INFO L225 Difference]: With dead ends: 3949 [2019-11-07 00:21:57,108 INFO L226 Difference]: Without dead ends: 1986 [2019-11-07 00:21:57,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:57,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2019-11-07 00:21:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2019-11-07 00:21:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-11-07 00:21:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2670 transitions. [2019-11-07 00:21:57,214 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2670 transitions. Word has length 94 [2019-11-07 00:21:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:21:57,215 INFO L462 AbstractCegarLoop]: Abstraction has 1986 states and 2670 transitions. [2019-11-07 00:21:57,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:21:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2670 transitions. [2019-11-07 00:21:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-07 00:21:57,220 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:21:57,220 INFO L410 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] [2019-11-07 00:21:57,220 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:21:57,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:21:57,221 INFO L82 PathProgramCache]: Analyzing trace with hash -344596494, now seen corresponding path program 1 times [2019-11-07 00:21:57,221 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:21:57,221 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448229929] [2019-11-07 00:21:57,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:21:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:21:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-11-07 00:21:58,605 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448229929] [2019-11-07 00:21:58,605 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:21:58,605 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:21:58,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822262246] [2019-11-07 00:21:58,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:21:58,606 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:21:58,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:21:58,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:58,607 INFO L87 Difference]: Start difference. First operand 1986 states and 2670 transitions. Second operand 3 states. [2019-11-07 00:21:58,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:21:58,670 INFO L93 Difference]: Finished difference Result 2015 states and 2694 transitions. [2019-11-07 00:21:58,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:21:58,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-11-07 00:21:58,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:21:58,685 INFO L225 Difference]: With dead ends: 2015 [2019-11-07 00:21:58,685 INFO L226 Difference]: Without dead ends: 2012 [2019-11-07 00:21:58,687 INFO L630 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 [2019-11-07 00:21:58,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-11-07 00:21:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 2012. [2019-11-07 00:21:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2012 states. [2019-11-07 00:21:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2691 transitions. [2019-11-07 00:21:58,770 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2691 transitions. Word has length 108 [2019-11-07 00:21:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:21:58,770 INFO L462 AbstractCegarLoop]: Abstraction has 2012 states and 2691 transitions. [2019-11-07 00:21:58,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:21:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2691 transitions. [2019-11-07 00:21:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-07 00:21:58,773 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:21:58,774 INFO L410 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] [2019-11-07 00:21:58,774 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:21:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:21:58,774 INFO L82 PathProgramCache]: Analyzing trace with hash 31841057, now seen corresponding path program 1 times [2019-11-07 00:21:58,775 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:21:58,775 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191438776] [2019-11-07 00:21:58,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:21:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:21:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:21:59,391 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191438776] [2019-11-07 00:21:59,391 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:21:59,391 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:21:59,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104819855] [2019-11-07 00:21:59,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:21:59,393 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:21:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:21:59,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:21:59,395 INFO L87 Difference]: Start difference. First operand 2012 states and 2691 transitions. Second operand 5 states. [2019-11-07 00:21:59,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:21:59,717 INFO L93 Difference]: Finished difference Result 6005 states and 8082 transitions. [2019-11-07 00:21:59,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:21:59,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2019-11-07 00:21:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:21:59,748 INFO L225 Difference]: With dead ends: 6005 [2019-11-07 00:21:59,749 INFO L226 Difference]: Without dead ends: 4017 [2019-11-07 00:21:59,761 INFO L630 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 [2019-11-07 00:21:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2019-11-07 00:21:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3994. [2019-11-07 00:21:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3994 states. [2019-11-07 00:21:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5362 transitions. [2019-11-07 00:21:59,984 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5362 transitions. Word has length 111 [2019-11-07 00:21:59,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:21:59,985 INFO L462 AbstractCegarLoop]: Abstraction has 3994 states and 5362 transitions. [2019-11-07 00:21:59,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:21:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5362 transitions. [2019-11-07 00:21:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-07 00:21:59,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:21:59,997 INFO L410 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] [2019-11-07 00:21:59,997 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:21:59,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:21:59,997 INFO L82 PathProgramCache]: Analyzing trace with hash -864037351, now seen corresponding path program 1 times [2019-11-07 00:21:59,997 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:21:59,998 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843851093] [2019-11-07 00:21:59,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:22:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:22:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:22:00,497 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843851093] [2019-11-07 00:22:00,497 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:22:00,497 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:22:00,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863472808] [2019-11-07 00:22:00,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:22:00,500 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:22:00,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:22:00,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:22:00,501 INFO L87 Difference]: Start difference. First operand 3994 states and 5362 transitions. Second operand 5 states. [2019-11-07 00:22:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:22:00,888 INFO L93 Difference]: Finished difference Result 11976 states and 16169 transitions. [2019-11-07 00:22:00,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:22:00,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2019-11-07 00:22:00,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:22:00,964 INFO L225 Difference]: With dead ends: 11976 [2019-11-07 00:22:00,964 INFO L226 Difference]: Without dead ends: 8006 [2019-11-07 00:22:00,990 INFO L630 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 [2019-11-07 00:22:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8006 states. [2019-11-07 00:22:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8006 to 7967. [2019-11-07 00:22:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7967 states. [2019-11-07 00:22:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7967 states to 7967 states and 10728 transitions. [2019-11-07 00:22:01,700 INFO L78 Accepts]: Start accepts. Automaton has 7967 states and 10728 transitions. Word has length 112 [2019-11-07 00:22:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:22:01,700 INFO L462 AbstractCegarLoop]: Abstraction has 7967 states and 10728 transitions. [2019-11-07 00:22:01,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:22:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7967 states and 10728 transitions. [2019-11-07 00:22:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-07 00:22:01,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:22:01,706 INFO L410 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] [2019-11-07 00:22:01,706 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:22:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:22:01,707 INFO L82 PathProgramCache]: Analyzing trace with hash -693855772, now seen corresponding path program 1 times [2019-11-07 00:22:01,707 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:22:01,708 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483954131] [2019-11-07 00:22:01,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:22:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:22:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:22:02,181 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483954131] [2019-11-07 00:22:02,181 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:22:02,181 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:22:02,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771207714] [2019-11-07 00:22:02,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:22:02,188 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:22:02,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:22:02,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:22:02,189 INFO L87 Difference]: Start difference. First operand 7967 states and 10728 transitions. Second operand 5 states. [2019-11-07 00:22:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:22:02,860 INFO L93 Difference]: Finished difference Result 23940 states and 32421 transitions. [2019-11-07 00:22:02,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:22:02,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2019-11-07 00:22:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted.