java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:20:52,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:20:52,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:20:52,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:20:52,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:20:52,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:20:52,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:20:52,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:20:52,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:20:52,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:20:52,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:20:52,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:20:52,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:20:52,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:20:52,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:20:52,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:20:52,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:20:52,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:20:52,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:20:52,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:20:52,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:20:52,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:20:52,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:20:52,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:20:52,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:20:52,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:20:52,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:20:52,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:20:52,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:20:52,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:20:52,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:20:52,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:20:52,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:20:52,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:20:52,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:20:52,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:20:52,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:20:52,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:20:52,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:20:52,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:20:52,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:20:52,366 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 02:20:52,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:20:52,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:20:52,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:20:52,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:20:52,387 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:20:52,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:20:52,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:20:52,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:20:52,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:20:52,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:20:52,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:20:52,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:20:52,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:20:52,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:20:52,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:20:52,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:20:52,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:20:52,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:20:52,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:20:52,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:20:52,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:20:52,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:20:52,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:20:52,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:20:52,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:20:52,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:20:52,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:20:52,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:20:52,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:20:52,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:20:52,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:20:52,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:20:52,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:20:52,688 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:20:52,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-15 02:20:52,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da87856f/5d74bad2bc8b43c2b8be6898e55736b2/FLAG70cafbbd5 [2019-10-15 02:20:53,697 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:20:53,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-15 02:20:53,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da87856f/5d74bad2bc8b43c2b8be6898e55736b2/FLAG70cafbbd5 [2019-10-15 02:20:54,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da87856f/5d74bad2bc8b43c2b8be6898e55736b2 [2019-10-15 02:20:54,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:20:54,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:20:54,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:20:54,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:20:54,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:20:54,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:20:54" (1/1) ... [2019-10-15 02:20:54,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38240b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:54, skipping insertion in model container [2019-10-15 02:20:54,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:20:54" (1/1) ... [2019-10-15 02:20:54,160 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:20:54,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:20:56,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:20:56,332 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:20:56,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:20:57,019 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:20:57,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57 WrapperNode [2019-10-15 02:20:57,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:20:57,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:20:57,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:20:57,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:20:57,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (1/1) ... [2019-10-15 02:20:57,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:20:57,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:20:57,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:20:57,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:20:57,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (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 02:20:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:20:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:20:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:20:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:20:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:20:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:20:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:20:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 02:20:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:20:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 02:20:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-15 02:20:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-15 02:20:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-15 02:20:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-15 02:20:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 02:20:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:20:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:20:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:20:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-10-15 02:20:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:20:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:20:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:20:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:20:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:20:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2019-10-15 02:20:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2019-10-15 02:20:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2019-10-15 02:20:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2019-10-15 02:20:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:20:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:20:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:20:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 02:20:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:20:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 02:20:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:20:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 02:20:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 02:20:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2019-10-15 02:20:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2019-10-15 02:20:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2019-10-15 02:20:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2019-10-15 02:20:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2019-10-15 02:20:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2019-10-15 02:20:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2019-10-15 02:20:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-10-15 02:20:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-10-15 02:20:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-10-15 02:20:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-10-15 02:20:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2019-10-15 02:20:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-10-15 02:20:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-10-15 02:20:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2019-10-15 02:20:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2019-10-15 02:20:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2019-10-15 02:20:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2019-10-15 02:20:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-10-15 02:20:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2019-10-15 02:20:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2019-10-15 02:20:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2019-10-15 02:20:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2019-10-15 02:20:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2019-10-15 02:20:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2019-10-15 02:20:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2019-10-15 02:20:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2019-10-15 02:20:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2019-10-15 02:20:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2019-10-15 02:20:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2019-10-15 02:20:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2019-10-15 02:20:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-10-15 02:20:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-15 02:20:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:20:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 02:20:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 02:20:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 02:20:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 02:20:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 02:20:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-10-15 02:20:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-15 02:20:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 02:20:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 02:20:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 02:20:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 02:20:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 02:20:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:20:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:20:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:20:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:20:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 02:20:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 02:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 02:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 02:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 02:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 02:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-15 02:20:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-15 02:20:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-15 02:20:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:20:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-15 02:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-15 02:20:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-15 02:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-15 02:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-15 02:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-15 02:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-15 02:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-15 02:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 02:20:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 02:20:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 02:20:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-10-15 02:20:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2019-10-15 02:20:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-15 02:20:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-10-15 02:20:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-15 02:20:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 02:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-10-15 02:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-15 02:20:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-10-15 02:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2019-10-15 02:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-10-15 02:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-15 02:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-15 02:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:20:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:20:57,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:20:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 02:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-15 02:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 02:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-15 02:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-15 02:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-15 02:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-15 02:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 02:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-15 02:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-15 02:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 02:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 02:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 02:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 02:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 02:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 02:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 02:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-15 02:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 02:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-10-15 02:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:20:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:20:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:20:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-10-15 02:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2019-10-15 02:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 02:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 02:20:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2019-10-15 02:20:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2019-10-15 02:20:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-10-15 02:20:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-10-15 02:20:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-10-15 02:20:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2019-10-15 02:20:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:20:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:20:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:20:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2019-10-15 02:20:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:20:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:20:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-10-15 02:20:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-15 02:20:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 02:20:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:20:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 02:20:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:20:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:20:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:20:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:20:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:20:58,606 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:21:05,677 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:21:05,678 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 02:21:05,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:05 BoogieIcfgContainer [2019-10-15 02:21:05,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:21:05,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:21:05,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:21:05,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:21:05,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:20:54" (1/3) ... [2019-10-15 02:21:05,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280d1d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:05, skipping insertion in model container [2019-10-15 02:21:05,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:20:57" (2/3) ... [2019-10-15 02:21:05,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280d1d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:05, skipping insertion in model container [2019-10-15 02:21:05,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:05" (3/3) ... [2019-10-15 02:21:05,688 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-15 02:21:05,699 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:21:05,711 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:21:05,728 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:21:05,776 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:21:05,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:21:05,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:21:05,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:21:05,777 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:21:05,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:21:05,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:21:05,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:21:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states. [2019-10-15 02:21:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 02:21:05,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:05,877 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:05,881 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:05,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:05,888 INFO L82 PathProgramCache]: Analyzing trace with hash -736389471, now seen corresponding path program 1 times [2019-10-15 02:21:05,902 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:05,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246362385] [2019-10-15 02:21:05,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:05,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:05,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:06,730 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 02:21:06,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246362385] [2019-10-15 02:21:06,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:06,732 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:06,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893902293] [2019-10-15 02:21:06,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:06,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:06,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:06,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:06,755 INFO L87 Difference]: Start difference. First operand 1018 states. Second operand 3 states. [2019-10-15 02:21:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:07,610 INFO L93 Difference]: Finished difference Result 2891 states and 4033 transitions. [2019-10-15 02:21:07,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:07,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-15 02:21:07,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:07,653 INFO L225 Difference]: With dead ends: 2891 [2019-10-15 02:21:07,653 INFO L226 Difference]: Without dead ends: 1897 [2019-10-15 02:21:07,668 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 02:21:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2019-10-15 02:21:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1897. [2019-10-15 02:21:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2019-10-15 02:21:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2595 transitions. [2019-10-15 02:21:07,953 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2595 transitions. Word has length 55 [2019-10-15 02:21:07,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:07,954 INFO L462 AbstractCegarLoop]: Abstraction has 1897 states and 2595 transitions. [2019-10-15 02:21:07,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2595 transitions. [2019-10-15 02:21:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 02:21:07,958 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:07,959 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:07,959 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:07,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:07,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1179551353, now seen corresponding path program 1 times [2019-10-15 02:21:07,960 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:07,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021016127] [2019-10-15 02:21:07,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:07,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:07,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:08,231 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 02:21:08,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021016127] [2019-10-15 02:21:08,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:08,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:21:08,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738533527] [2019-10-15 02:21:08,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:21:08,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:08,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:21:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:21:08,235 INFO L87 Difference]: Start difference. First operand 1897 states and 2595 transitions. Second operand 5 states. [2019-10-15 02:21:08,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:08,476 INFO L93 Difference]: Finished difference Result 3774 states and 5166 transitions. [2019-10-15 02:21:08,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:21:08,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-15 02:21:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:08,492 INFO L225 Difference]: With dead ends: 3774 [2019-10-15 02:21:08,493 INFO L226 Difference]: Without dead ends: 1897 [2019-10-15 02:21:08,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:21:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2019-10-15 02:21:08,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1897. [2019-10-15 02:21:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2019-10-15 02:21:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2593 transitions. [2019-10-15 02:21:08,616 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2593 transitions. Word has length 57 [2019-10-15 02:21:08,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:08,617 INFO L462 AbstractCegarLoop]: Abstraction has 1897 states and 2593 transitions. [2019-10-15 02:21:08,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:21:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2593 transitions. [2019-10-15 02:21:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 02:21:08,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:08,624 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:21:08,624 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:08,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1930071232, now seen corresponding path program 1 times [2019-10-15 02:21:08,625 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:08,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847465731] [2019-10-15 02:21:08,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:08,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:08,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-15 02:21:08,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847465731] [2019-10-15 02:21:08,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:08,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:21:08,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261874466] [2019-10-15 02:21:08,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:21:08,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:08,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:21:08,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:21:08,978 INFO L87 Difference]: Start difference. First operand 1897 states and 2593 transitions. Second operand 6 states. [2019-10-15 02:21:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:11,270 INFO L93 Difference]: Finished difference Result 3782 states and 5220 transitions. [2019-10-15 02:21:11,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:21:11,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 02:21:11,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:11,299 INFO L225 Difference]: With dead ends: 3782 [2019-10-15 02:21:11,299 INFO L226 Difference]: Without dead ends: 3768 [2019-10-15 02:21:11,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 02:21:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2019-10-15 02:21:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3768. [2019-10-15 02:21:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3768 states. [2019-10-15 02:21:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 5206 transitions. [2019-10-15 02:21:11,533 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 5206 transitions. Word has length 87 [2019-10-15 02:21:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:11,533 INFO L462 AbstractCegarLoop]: Abstraction has 3768 states and 5206 transitions. [2019-10-15 02:21:11,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:21:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 5206 transitions. [2019-10-15 02:21:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-15 02:21:11,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:11,553 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:11,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:11,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1315456422, now seen corresponding path program 1 times [2019-10-15 02:21:11,554 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:11,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397593273] [2019-10-15 02:21:11,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:11,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:11,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-15 02:21:11,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397593273] [2019-10-15 02:21:11,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:11,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:11,945 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380739448] [2019-10-15 02:21:11,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:11,946 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:11,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:11,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:11,947 INFO L87 Difference]: Start difference. First operand 3768 states and 5206 transitions. Second operand 3 states. [2019-10-15 02:21:12,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:12,342 INFO L93 Difference]: Finished difference Result 9020 states and 12357 transitions. [2019-10-15 02:21:12,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:12,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-15 02:21:12,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:12,383 INFO L225 Difference]: With dead ends: 9020 [2019-10-15 02:21:12,383 INFO L226 Difference]: Without dead ends: 5272 [2019-10-15 02:21:12,400 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 02:21:12,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5272 states. [2019-10-15 02:21:12,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5272 to 5246. [2019-10-15 02:21:12,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5246 states. [2019-10-15 02:21:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7146 transitions. [2019-10-15 02:21:12,711 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7146 transitions. Word has length 238 [2019-10-15 02:21:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:12,711 INFO L462 AbstractCegarLoop]: Abstraction has 5246 states and 7146 transitions. [2019-10-15 02:21:12,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7146 transitions. [2019-10-15 02:21:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-15 02:21:12,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:12,746 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:12,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 851825784, now seen corresponding path program 1 times [2019-10-15 02:21:12,747 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:12,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807425508] [2019-10-15 02:21:12,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:12,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:12,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-15 02:21:13,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807425508] [2019-10-15 02:21:13,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:13,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:13,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625526704] [2019-10-15 02:21:13,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:13,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:13,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:13,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:13,055 INFO L87 Difference]: Start difference. First operand 5246 states and 7146 transitions. Second operand 3 states. [2019-10-15 02:21:13,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:13,480 INFO L93 Difference]: Finished difference Result 10563 states and 14390 transitions. [2019-10-15 02:21:13,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:13,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2019-10-15 02:21:13,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:13,519 INFO L225 Difference]: With dead ends: 10563 [2019-10-15 02:21:13,519 INFO L226 Difference]: Without dead ends: 5337 [2019-10-15 02:21:13,543 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 02:21:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2019-10-15 02:21:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5321. [2019-10-15 02:21:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2019-10-15 02:21:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7248 transitions. [2019-10-15 02:21:13,848 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7248 transitions. Word has length 235 [2019-10-15 02:21:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:13,851 INFO L462 AbstractCegarLoop]: Abstraction has 5321 states and 7248 transitions. [2019-10-15 02:21:13,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7248 transitions. [2019-10-15 02:21:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-15 02:21:13,881 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:13,881 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:13,882 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:13,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:13,882 INFO L82 PathProgramCache]: Analyzing trace with hash -939376904, now seen corresponding path program 2 times [2019-10-15 02:21:13,883 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:13,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741735765] [2019-10-15 02:21:13,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:13,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:13,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-10-15 02:21:14,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741735765] [2019-10-15 02:21:14,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:14,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:14,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987840260] [2019-10-15 02:21:14,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:14,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:14,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:14,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:14,182 INFO L87 Difference]: Start difference. First operand 5321 states and 7248 transitions. Second operand 3 states. [2019-10-15 02:21:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:15,247 INFO L93 Difference]: Finished difference Result 13535 states and 18475 transitions. [2019-10-15 02:21:15,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:15,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2019-10-15 02:21:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:15,351 INFO L225 Difference]: With dead ends: 13535 [2019-10-15 02:21:15,353 INFO L226 Difference]: Without dead ends: 8257 [2019-10-15 02:21:15,386 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 02:21:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8257 states. [2019-10-15 02:21:15,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8257 to 8241. [2019-10-15 02:21:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8241 states. [2019-10-15 02:21:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8241 states to 8241 states and 11160 transitions. [2019-10-15 02:21:15,880 INFO L78 Accepts]: Start accepts. Automaton has 8241 states and 11160 transitions. Word has length 235 [2019-10-15 02:21:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:15,881 INFO L462 AbstractCegarLoop]: Abstraction has 8241 states and 11160 transitions. [2019-10-15 02:21:15,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 8241 states and 11160 transitions. [2019-10-15 02:21:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-15 02:21:15,907 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:15,908 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:15,908 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:15,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:15,908 INFO L82 PathProgramCache]: Analyzing trace with hash -447867332, now seen corresponding path program 2 times [2019-10-15 02:21:15,909 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:15,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719588456] [2019-10-15 02:21:15,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:15,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:15,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-10-15 02:21:16,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719588456] [2019-10-15 02:21:16,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:16,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:21:16,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576477514] [2019-10-15 02:21:16,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:21:16,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:16,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:21:16,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:21:16,217 INFO L87 Difference]: Start difference. First operand 8241 states and 11160 transitions. Second operand 3 states. [2019-10-15 02:21:17,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:17,618 INFO L93 Difference]: Finished difference Result 20621 states and 27995 transitions. [2019-10-15 02:21:17,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:21:17,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-15 02:21:17,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:17,701 INFO L225 Difference]: With dead ends: 20621 [2019-10-15 02:21:17,702 INFO L226 Difference]: Without dead ends: 12423 [2019-10-15 02:21:17,734 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 02:21:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2019-10-15 02:21:18,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 12373. [2019-10-15 02:21:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12373 states. [2019-10-15 02:21:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 16682 transitions. [2019-10-15 02:21:18,271 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 16682 transitions. Word has length 238 [2019-10-15 02:21:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:18,272 INFO L462 AbstractCegarLoop]: Abstraction has 12373 states and 16682 transitions. [2019-10-15 02:21:18,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:21:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 16682 transitions. [2019-10-15 02:21:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-15 02:21:18,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:18,305 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:18,305 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:18,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1177126912, now seen corresponding path program 1 times [2019-10-15 02:21:18,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:18,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374334376] [2019-10-15 02:21:18,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:18,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:18,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-15 02:21:18,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374334376] [2019-10-15 02:21:18,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:18,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:21:18,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26920615] [2019-10-15 02:21:18,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:21:18,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:18,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:21:18,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:21:18,646 INFO L87 Difference]: Start difference. First operand 12373 states and 16682 transitions. Second operand 5 states. [2019-10-15 02:21:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:19,995 INFO L93 Difference]: Finished difference Result 24801 states and 33809 transitions. [2019-10-15 02:21:19,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:21:19,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-15 02:21:19,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:20,064 INFO L225 Difference]: With dead ends: 24801 [2019-10-15 02:21:20,064 INFO L226 Difference]: Without dead ends: 12471 [2019-10-15 02:21:20,115 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:21:20,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12471 states. [2019-10-15 02:21:20,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12471 to 12453. [2019-10-15 02:21:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12453 states. [2019-10-15 02:21:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12453 states to 12453 states and 16770 transitions. [2019-10-15 02:21:20,661 INFO L78 Accepts]: Start accepts. Automaton has 12453 states and 16770 transitions. Word has length 235 [2019-10-15 02:21:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:20,663 INFO L462 AbstractCegarLoop]: Abstraction has 12453 states and 16770 transitions. [2019-10-15 02:21:20,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:21:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 12453 states and 16770 transitions. [2019-10-15 02:21:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-15 02:21:20,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:20,706 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:20,706 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:20,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:20,706 INFO L82 PathProgramCache]: Analyzing trace with hash 328739796, now seen corresponding path program 1 times [2019-10-15 02:21:20,707 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:20,707 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938131421] [2019-10-15 02:21:20,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:20,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:20,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-15 02:21:21,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938131421] [2019-10-15 02:21:21,641 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:21:21,641 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 02:21:21,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210986431] [2019-10-15 02:21:21,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 02:21:21,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:21:21,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 02:21:21,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 02:21:21,642 INFO L87 Difference]: Start difference. First operand 12453 states and 16770 transitions. Second operand 11 states. [2019-10-15 02:21:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:21:22,396 INFO L93 Difference]: Finished difference Result 25601 states and 35049 transitions. [2019-10-15 02:21:22,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:21:22,397 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 242 [2019-10-15 02:21:22,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:21:22,464 INFO L225 Difference]: With dead ends: 25601 [2019-10-15 02:21:22,465 INFO L226 Difference]: Without dead ends: 13191 [2019-10-15 02:21:22,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-15 02:21:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2019-10-15 02:21:22,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 12533. [2019-10-15 02:21:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12533 states. [2019-10-15 02:21:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12533 states to 12533 states and 16834 transitions. [2019-10-15 02:21:23,029 INFO L78 Accepts]: Start accepts. Automaton has 12533 states and 16834 transitions. Word has length 242 [2019-10-15 02:21:23,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:21:23,030 INFO L462 AbstractCegarLoop]: Abstraction has 12533 states and 16834 transitions. [2019-10-15 02:21:23,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 02:21:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 12533 states and 16834 transitions. [2019-10-15 02:21:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-10-15 02:21:23,074 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:21:23,074 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:23,075 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:21:23,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:21:23,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1315251149, now seen corresponding path program 1 times [2019-10-15 02:21:23,075 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:21:23,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685725776] [2019-10-15 02:21:23,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:23,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:21:23,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:21:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:21:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-10-15 02:21:23,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685725776] [2019-10-15 02:21:23,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762080779] [2019-10-15 02:21:23,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true