java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_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 00:31:31,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:31:31,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:31:31,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:31:31,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:31:31,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:31:31,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:31:31,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:31:31,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:31:31,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:31:31,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:31:31,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:31:31,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:31:31,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:31:31,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:31:31,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:31:31,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:31:31,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:31:31,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:31:31,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:31:31,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:31:31,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:31:31,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:31:31,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:31:31,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:31:31,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:31:31,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:31:31,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:31:31,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:31:31,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:31:31,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:31:31,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:31:31,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:31:31,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:31:31,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:31:31,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:31:31,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:31:31,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:31:31,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:31:31,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:31:31,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:31:31,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:31:31,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:31:31,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:31:31,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:31:31,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:31:31,235 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:31:31,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:31:31,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:31:31,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:31:31,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:31:31,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:31:31,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:31:31,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:31:31,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:31:31,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:31:31,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:31:31,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:31:31,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:31:31,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:31:31,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:31:31,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:31:31,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:31:31,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:31:31,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:31:31,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:31:31,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:31:31,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:31:31,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:31:31,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:31:31,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:31:31,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:31:31,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:31:31,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:31:31,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:31:31,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:31:31,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-15 00:31:31,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557927e9a/0a960ceb5d644236bf6d02025d8506d4/FLAGa3a22f7d9 [2019-10-15 00:31:32,535 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:31:32,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-15 00:31:32,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557927e9a/0a960ceb5d644236bf6d02025d8506d4/FLAGa3a22f7d9 [2019-10-15 00:31:33,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557927e9a/0a960ceb5d644236bf6d02025d8506d4 [2019-10-15 00:31:33,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:31:33,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:31:33,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:33,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:31:33,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:31:33,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:33" (1/1) ... [2019-10-15 00:31:33,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d517dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:33, skipping insertion in model container [2019-10-15 00:31:33,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:33" (1/1) ... [2019-10-15 00:31:33,085 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:31:33,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:31:35,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:35,429 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:31:35,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:36,167 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:31:36,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36 WrapperNode [2019-10-15 00:31:36,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:36,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:31:36,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:31:36,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:31:36,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... [2019-10-15 00:31:36,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:31:36,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:31:36,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:31:36,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:31:36,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:31:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:31:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:31:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:31:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 00:31:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-15 00:31:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:31:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:31:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 00:31:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:31:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 00:31:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-15 00:31:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-15 00:31:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-15 00:31:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-15 00:31:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 00:31:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:31:36,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:31:36,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:31:36,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-10-15 00:31:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-10-15 00:31:36,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:31:36,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:31:36,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:31:36,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:31:36,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:31:36,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2019-10-15 00:31:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2019-10-15 00:31:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 00:31:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:31:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 00:31:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 00:31:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 00:31:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 00:31:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 00:31:36,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 00:31:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 00:31:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2019-10-15 00:31:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2019-10-15 00:31:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-10-15 00:31:36,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-10-15 00:31:36,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-10-15 00:31:36,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-10-15 00:31:36,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2019-10-15 00:31:36,552 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-10-15 00:31:36,552 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-10-15 00:31:36,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2019-10-15 00:31:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2019-10-15 00:31:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2019-10-15 00:31:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2019-10-15 00:31:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-10-15 00:31:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2019-10-15 00:31:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2019-10-15 00:31:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2019-10-15 00:31:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2019-10-15 00:31:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2019-10-15 00:31:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2019-10-15 00:31:36,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2019-10-15 00:31:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2019-10-15 00:31:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2019-10-15 00:31:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2019-10-15 00:31:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2019-10-15 00:31:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2019-10-15 00:31:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-10-15 00:31:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-15 00:31:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:31:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 00:31:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 00:31:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 00:31:36,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 00:31:36,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 00:31:36,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 00:31:36,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:31:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:31:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:31:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:31:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-15 00:31:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-15 00:31:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-15 00:31:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-15 00:31:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-15 00:31:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-15 00:31:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-15 00:31:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-15 00:31:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 00:31:36,567 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 00:31:36,567 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-15 00:31:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 00:31:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-10-15 00:31:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-15 00:31:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:31:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-10-15 00:31:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2019-10-15 00:31:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:31:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-10-15 00:31:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-15 00:31:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-15 00:31:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:31:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:31:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:31:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:31:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:31:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 00:31:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:31:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-15 00:31:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-15 00:31:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-15 00:31:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-15 00:31:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:31:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 00:31:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-10-15 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:31:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:31:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:31:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-15 00:31:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:31:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 00:31:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 00:31:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2019-10-15 00:31:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2019-10-15 00:31:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-10-15 00:31:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-10-15 00:31:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-10-15 00:31:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-10-15 00:31:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-10-15 00:31:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:31:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:31:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-15 00:31:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-15 00:31:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 00:31:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:31:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:31:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:31:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:31:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:31:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:31:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:31:37,625 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:31:40,992 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:31:40,992 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 00:31:40,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:40 BoogieIcfgContainer [2019-10-15 00:31:40,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:31:40,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:31:40,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:31:40,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:31:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:31:33" (1/3) ... [2019-10-15 00:31:41,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1193c5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:41, skipping insertion in model container [2019-10-15 00:31:41,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:36" (2/3) ... [2019-10-15 00:31:41,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1193c5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:41, skipping insertion in model container [2019-10-15 00:31:41,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:40" (3/3) ... [2019-10-15 00:31:41,002 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 00:31:41,013 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:31:41,024 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:31:41,035 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:31:41,068 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:31:41,068 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:31:41,068 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:31:41,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:31:41,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:31:41,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:31:41,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:31:41,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:31:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states. [2019-10-15 00:31:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 00:31:41,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:41,125 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, 1] [2019-10-15 00:31:41,127 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:41,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1559467716, now seen corresponding path program 1 times [2019-10-15 00:31:41,142 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:41,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215020286] [2019-10-15 00:31:41,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:41,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:41,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 00:31:41,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215020286] [2019-10-15 00:31:41,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:41,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:41,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063186713] [2019-10-15 00:31:41,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:41,944 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:41,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:41,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:41,961 INFO L87 Difference]: Start difference. First operand 1176 states. Second operand 3 states. [2019-10-15 00:31:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:42,800 INFO L93 Difference]: Finished difference Result 3330 states and 4652 transitions. [2019-10-15 00:31:42,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:42,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-15 00:31:42,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:42,845 INFO L225 Difference]: With dead ends: 3330 [2019-10-15 00:31:42,845 INFO L226 Difference]: Without dead ends: 2187 [2019-10-15 00:31:42,857 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2019-10-15 00:31:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2019-10-15 00:31:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2019-10-15 00:31:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2999 transitions. [2019-10-15 00:31:43,117 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2999 transitions. Word has length 58 [2019-10-15 00:31:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:43,118 INFO L462 AbstractCegarLoop]: Abstraction has 2187 states and 2999 transitions. [2019-10-15 00:31:43,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2999 transitions. [2019-10-15 00:31:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 00:31:43,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:43,133 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, 1, 1, 1, 1] [2019-10-15 00:31:43,133 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:43,134 INFO L82 PathProgramCache]: Analyzing trace with hash 384433014, now seen corresponding path program 1 times [2019-10-15 00:31:43,134 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:43,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208957886] [2019-10-15 00:31:43,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:43,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:43,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 00:31:43,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208957886] [2019-10-15 00:31:43,374 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:43,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:31:43,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100791666] [2019-10-15 00:31:43,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:31:43,378 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:43,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:31:43,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:31:43,379 INFO L87 Difference]: Start difference. First operand 2187 states and 2999 transitions. Second operand 5 states. [2019-10-15 00:31:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:43,623 INFO L93 Difference]: Finished difference Result 4352 states and 5972 transitions. [2019-10-15 00:31:43,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:31:43,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-10-15 00:31:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:43,640 INFO L225 Difference]: With dead ends: 4352 [2019-10-15 00:31:43,640 INFO L226 Difference]: Without dead ends: 2187 [2019-10-15 00:31:43,650 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 00:31:43,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2019-10-15 00:31:43,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2019-10-15 00:31:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2019-10-15 00:31:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2997 transitions. [2019-10-15 00:31:43,764 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2997 transitions. Word has length 61 [2019-10-15 00:31:43,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:43,765 INFO L462 AbstractCegarLoop]: Abstraction has 2187 states and 2997 transitions. [2019-10-15 00:31:43,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:31:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2997 transitions. [2019-10-15 00:31:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 00:31:43,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:43,771 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, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:43,772 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:43,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:43,772 INFO L82 PathProgramCache]: Analyzing trace with hash 736916615, now seen corresponding path program 1 times [2019-10-15 00:31:43,773 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:43,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250192507] [2019-10-15 00:31:43,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:43,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:43,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:44,167 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 00:31:44,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250192507] [2019-10-15 00:31:44,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:44,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:44,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432896727] [2019-10-15 00:31:44,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:44,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:44,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:44,171 INFO L87 Difference]: Start difference. First operand 2187 states and 2997 transitions. Second operand 6 states. [2019-10-15 00:31:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:46,729 INFO L93 Difference]: Finished difference Result 6522 states and 9045 transitions. [2019-10-15 00:31:46,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:31:46,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-15 00:31:46,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:46,776 INFO L225 Difference]: With dead ends: 6522 [2019-10-15 00:31:46,776 INFO L226 Difference]: Without dead ends: 4345 [2019-10-15 00:31:46,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 00:31:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2019-10-15 00:31:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 4345. [2019-10-15 00:31:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2019-10-15 00:31:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6011 transitions. [2019-10-15 00:31:47,012 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6011 transitions. Word has length 93 [2019-10-15 00:31:47,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:47,013 INFO L462 AbstractCegarLoop]: Abstraction has 4345 states and 6011 transitions. [2019-10-15 00:31:47,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:31:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6011 transitions. [2019-10-15 00:31:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-15 00:31:47,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:47,038 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 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] [2019-10-15 00:31:47,038 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:47,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash 846804346, now seen corresponding path program 1 times [2019-10-15 00:31:47,039 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:47,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516298869] [2019-10-15 00:31:47,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:47,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:47,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-15 00:31:47,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516298869] [2019-10-15 00:31:47,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:47,409 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:47,409 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655433323] [2019-10-15 00:31:47,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:47,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:47,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:47,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:47,413 INFO L87 Difference]: Start difference. First operand 4345 states and 6011 transitions. Second operand 3 states. [2019-10-15 00:31:47,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:47,817 INFO L93 Difference]: Finished difference Result 10443 states and 14342 transitions. [2019-10-15 00:31:47,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:47,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-10-15 00:31:47,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:47,860 INFO L225 Difference]: With dead ends: 10443 [2019-10-15 00:31:47,861 INFO L226 Difference]: Without dead ends: 6120 [2019-10-15 00:31:47,881 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:47,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2019-10-15 00:31:48,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 6091. [2019-10-15 00:31:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2019-10-15 00:31:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 8325 transitions. [2019-10-15 00:31:48,302 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 8325 transitions. Word has length 278 [2019-10-15 00:31:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:48,305 INFO L462 AbstractCegarLoop]: Abstraction has 6091 states and 8325 transitions. [2019-10-15 00:31:48,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 8325 transitions. [2019-10-15 00:31:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-15 00:31:48,336 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:48,336 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:48,336 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:48,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:48,337 INFO L82 PathProgramCache]: Analyzing trace with hash -591050592, now seen corresponding path program 1 times [2019-10-15 00:31:48,337 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:48,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881615156] [2019-10-15 00:31:48,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:48,338 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:48,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-15 00:31:48,620 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881615156] [2019-10-15 00:31:48,620 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:48,620 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:48,620 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627214350] [2019-10-15 00:31:48,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:48,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:48,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:48,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:48,626 INFO L87 Difference]: Start difference. First operand 6091 states and 8325 transitions. Second operand 3 states. [2019-10-15 00:31:49,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:49,022 INFO L93 Difference]: Finished difference Result 12257 states and 16752 transitions. [2019-10-15 00:31:49,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:49,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-10-15 00:31:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:49,065 INFO L225 Difference]: With dead ends: 12257 [2019-10-15 00:31:49,066 INFO L226 Difference]: Without dead ends: 6188 [2019-10-15 00:31:49,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6188 states. [2019-10-15 00:31:49,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6188 to 6171. [2019-10-15 00:31:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6171 states. [2019-10-15 00:31:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6171 states to 6171 states and 8432 transitions. [2019-10-15 00:31:49,534 INFO L78 Accepts]: Start accepts. Automaton has 6171 states and 8432 transitions. Word has length 275 [2019-10-15 00:31:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:49,534 INFO L462 AbstractCegarLoop]: Abstraction has 6171 states and 8432 transitions. [2019-10-15 00:31:49,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 6171 states and 8432 transitions. [2019-10-15 00:31:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-15 00:31:49,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:49,565 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:49,566 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:49,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:49,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1996318002, now seen corresponding path program 2 times [2019-10-15 00:31:49,566 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:49,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167992488] [2019-10-15 00:31:49,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:49,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:49,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-10-15 00:31:49,822 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167992488] [2019-10-15 00:31:49,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:49,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:49,823 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689292581] [2019-10-15 00:31:49,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:49,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:49,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:49,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:49,824 INFO L87 Difference]: Start difference. First operand 6171 states and 8432 transitions. Second operand 3 states. [2019-10-15 00:31:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:51,334 INFO L93 Difference]: Finished difference Result 15729 states and 21537 transitions. [2019-10-15 00:31:51,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:51,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-10-15 00:31:51,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:51,426 INFO L225 Difference]: With dead ends: 15729 [2019-10-15 00:31:51,426 INFO L226 Difference]: Without dead ends: 9604 [2019-10-15 00:31:51,463 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:51,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9604 states. [2019-10-15 00:31:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9604 to 9587. [2019-10-15 00:31:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9587 states. [2019-10-15 00:31:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9587 states to 9587 states and 13040 transitions. [2019-10-15 00:31:52,049 INFO L78 Accepts]: Start accepts. Automaton has 9587 states and 13040 transitions. Word has length 275 [2019-10-15 00:31:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:52,050 INFO L462 AbstractCegarLoop]: Abstraction has 9587 states and 13040 transitions. [2019-10-15 00:31:52,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9587 states and 13040 transitions. [2019-10-15 00:31:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-15 00:31:52,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:52,085 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 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] [2019-10-15 00:31:52,085 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:52,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1459931570, now seen corresponding path program 2 times [2019-10-15 00:31:52,086 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:52,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170773109] [2019-10-15 00:31:52,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:52,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:52,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-10-15 00:31:52,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170773109] [2019-10-15 00:31:52,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:52,360 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:52,360 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991998504] [2019-10-15 00:31:52,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:52,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:52,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:52,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:52,363 INFO L87 Difference]: Start difference. First operand 9587 states and 13040 transitions. Second operand 3 states. [2019-10-15 00:31:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:54,927 INFO L93 Difference]: Finished difference Result 24025 states and 32757 transitions. [2019-10-15 00:31:54,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:54,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-10-15 00:31:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:54,999 INFO L225 Difference]: With dead ends: 24025 [2019-10-15 00:31:55,000 INFO L226 Difference]: Without dead ends: 14484 [2019-10-15 00:31:55,034 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14484 states. [2019-10-15 00:31:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14484 to 14427. [2019-10-15 00:31:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14427 states. [2019-10-15 00:31:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14427 states to 14427 states and 19560 transitions. [2019-10-15 00:31:55,644 INFO L78 Accepts]: Start accepts. Automaton has 14427 states and 19560 transitions. Word has length 278 [2019-10-15 00:31:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:55,644 INFO L462 AbstractCegarLoop]: Abstraction has 14427 states and 19560 transitions. [2019-10-15 00:31:55,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14427 states and 19560 transitions. [2019-10-15 00:31:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-15 00:31:55,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:55,691 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 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] [2019-10-15 00:31:55,691 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1614709114, now seen corresponding path program 1 times [2019-10-15 00:31:55,692 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:55,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23495060] [2019-10-15 00:31:55,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:55,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:55,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-15 00:31:56,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23495060] [2019-10-15 00:31:56,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:56,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:31:56,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928492327] [2019-10-15 00:31:56,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:31:56,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:56,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:31:56,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:31:56,040 INFO L87 Difference]: Start difference. First operand 14427 states and 19560 transitions. Second operand 5 states. [2019-10-15 00:31:56,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:56,699 INFO L93 Difference]: Finished difference Result 28906 states and 39562 transitions. [2019-10-15 00:31:56,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:31:56,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2019-10-15 00:31:56,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:56,766 INFO L225 Difference]: With dead ends: 28906 [2019-10-15 00:31:56,766 INFO L226 Difference]: Without dead ends: 14525 [2019-10-15 00:31:56,800 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 00:31:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2019-10-15 00:31:57,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14507. [2019-10-15 00:31:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14507 states. [2019-10-15 00:31:57,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14507 states to 14507 states and 19648 transitions. [2019-10-15 00:31:57,368 INFO L78 Accepts]: Start accepts. Automaton has 14507 states and 19648 transitions. Word has length 278 [2019-10-15 00:31:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:57,369 INFO L462 AbstractCegarLoop]: Abstraction has 14507 states and 19648 transitions. [2019-10-15 00:31:57,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:31:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 14507 states and 19648 transitions. [2019-10-15 00:31:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-15 00:31:57,417 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:57,417 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 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, 1, 1] [2019-10-15 00:31:57,418 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:57,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:57,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1562211218, now seen corresponding path program 1 times [2019-10-15 00:31:57,418 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:57,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373749573] [2019-10-15 00:31:57,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:57,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:57,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2019-10-15 00:31:57,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373749573] [2019-10-15 00:31:57,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:57,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:31:57,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250371342] [2019-10-15 00:31:57,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:31:57,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:31:57,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:31:57,716 INFO L87 Difference]: Start difference. First operand 14507 states and 19648 transitions. Second operand 4 states. [2019-10-15 00:31:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:58,896 INFO L93 Difference]: Finished difference Result 29096 states and 39693 transitions. [2019-10-15 00:31:58,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:31:58,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 283 [2019-10-15 00:31:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:58,956 INFO L225 Difference]: With dead ends: 29096 [2019-10-15 00:31:58,956 INFO L226 Difference]: Without dead ends: 14635 [2019-10-15 00:31:58,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:31:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14635 states. [2019-10-15 00:31:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14635 to 14555. [2019-10-15 00:31:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14555 states. [2019-10-15 00:31:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14555 states to 14555 states and 19696 transitions. [2019-10-15 00:31:59,517 INFO L78 Accepts]: Start accepts. Automaton has 14555 states and 19696 transitions. Word has length 283 [2019-10-15 00:31:59,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:59,518 INFO L462 AbstractCegarLoop]: Abstraction has 14555 states and 19696 transitions. [2019-10-15 00:31:59,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:31:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 14555 states and 19696 transitions. [2019-10-15 00:31:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-10-15 00:31:59,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:59,554 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:59,554 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:59,555 INFO L82 PathProgramCache]: Analyzing trace with hash 576516576, now seen corresponding path program 1 times [2019-10-15 00:31:59,555 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:59,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013407732] [2019-10-15 00:31:59,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:59,556 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:59,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-10-15 00:32:00,357 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013407732] [2019-10-15 00:32:00,357 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:00,357 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 00:32:00,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187024210] [2019-10-15 00:32:00,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 00:32:00,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:00,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 00:32:00,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 00:32:00,361 INFO L87 Difference]: Start difference. First operand 14555 states and 19696 transitions. Second operand 11 states. [2019-10-15 00:32:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:01,292 INFO L93 Difference]: Finished difference Result 30106 states and 41394 transitions. [2019-10-15 00:32:01,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 00:32:01,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 280 [2019-10-15 00:32:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:01,364 INFO L225 Difference]: With dead ends: 30106 [2019-10-15 00:32:01,364 INFO L226 Difference]: Without dead ends: 15597 [2019-10-15 00:32:01,400 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 00:32:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15597 states.