java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:59:02,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:59:02,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:59:02,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:59:02,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:59:02,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:59:02,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:59:02,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:59:02,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:59:02,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:59:02,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:59:02,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:59:02,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:59:02,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:59:02,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:59:02,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:59:02,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:59:02,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:59:02,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:59:02,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:59:02,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:59:02,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:59:02,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:59:02,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:59:02,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:59:02,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:59:02,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:59:02,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:59:02,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:59:02,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:59:02,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:59:02,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:59:02,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:59:02,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:59:02,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:59:02,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:59:02,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:59:02,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:59:02,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:59:02,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:59:02,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:59:02,299 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 00:59:02,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:59:02,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:59:02,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:59:02,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:59:02,319 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:59:02,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:59:02,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:59:02,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:59:02,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:59:02,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:59:02,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:59:02,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:59:02,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:59:02,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:59:02,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:59:02,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:59:02,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:59:02,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:59:02,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:59:02,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:59:02,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:59:02,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:59:02,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:59:02,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:59:02,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:59:02,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:59:02,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:59:02,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:59:02,324 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 00:59:02,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:59:02,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:59:02,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:59:02,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:59:02,660 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:59:02,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 00:59:02,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7ec6427/66b02e6292d245399af1d25e0297b7d7/FLAG568d47d93 [2019-10-15 00:59:03,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:59:03,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 00:59:03,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7ec6427/66b02e6292d245399af1d25e0297b7d7/FLAG568d47d93 [2019-10-15 00:59:04,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7ec6427/66b02e6292d245399af1d25e0297b7d7 [2019-10-15 00:59:04,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:59:04,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:59:04,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:59:04,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:59:04,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:59:04,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:59:04" (1/1) ... [2019-10-15 00:59:04,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b858246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:04, skipping insertion in model container [2019-10-15 00:59:04,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:59:04" (1/1) ... [2019-10-15 00:59:04,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:59:04,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:59:06,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:59:06,232 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:59:06,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:59:06,843 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:59:06,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06 WrapperNode [2019-10-15 00:59:06,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:59:06,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:59:06,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:59:06,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:59:06,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:06,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:06,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:06,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:07,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:07,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:07,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (1/1) ... [2019-10-15 00:59:07,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:59:07,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:59:07,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:59:07,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:59:07,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (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 00:59:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:59:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:59:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:59:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:59:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:59:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:59:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:59:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:59:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:59:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:59:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:59:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:59:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:59:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:59:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:59:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 00:59:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 00:59:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:59:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 00:59:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 00:59:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 00:59:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:59:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 00:59:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 00:59:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2019-10-15 00:59:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2019-10-15 00:59:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode0 [2019-10-15 00:59:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode2 [2019-10-15 00:59:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode4 [2019-10-15 00:59:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode6 [2019-10-15 00:59:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-15 00:59:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2019-10-15 00:59:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2019-10-15 00:59:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_node_ID [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure net_open [2019-10-15 00:59:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_send_packet [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_interrupt [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_timed_checker [2019-10-15 00:59:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure net_close [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init_module [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_cleanup_module [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:59:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:59:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:59:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-10-15 00:59:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:59:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:59:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:59:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:59:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:59:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:59:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 00:59:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 00:59:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 00:59:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:59:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:59:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:59:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 00:59:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 00:59:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 00:59:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-15 00:59:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-15 00:59:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-15 00:59:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_40 [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:59:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 00:59:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 00:59:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 00:59:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 00:59:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 00:59:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:59:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:59:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-10-15 00:59:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-10-15 00:59:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 00:59:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 00:59:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 00:59:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:59:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 00:59:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 00:59:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:59:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 00:59:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:59:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:59:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:59:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:59:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:59:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:59:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:59:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:59:07,252 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:59:07,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 00:59:07,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 00:59:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:59:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:59:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:59:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:59:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:59:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:59:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:59:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:59:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:59:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:59:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:59:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:59:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:59:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:59:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:59:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:59:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:59:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 00:59:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 00:59:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_40 [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:59:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 00:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 00:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 00:59:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-15 00:59:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2019-10-15 00:59:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode0 [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode2 [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode4 [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode6 [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2019-10-15 00:59:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure atp_timed_checker [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_node_ID [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure net_open [2019-10-15 00:59:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure atp_send_packet [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure atp_interrupt [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2019-10-15 00:59:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure net_close [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init_module [2019-10-15 00:59:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure atp_cleanup_module [2019-10-15 00:59:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-10-15 00:59:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:59:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:59:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-10-15 00:59:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:59:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 00:59:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:59:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 00:59:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 00:59:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:59:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 00:59:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:59:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:59:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:59:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:59:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:59:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:59:08,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:59:10,367 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:59:10,367 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:59:10,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:10 BoogieIcfgContainer [2019-10-15 00:59:10,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:59:10,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:59:10,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:59:10,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:59:10,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:59:04" (1/3) ... [2019-10-15 00:59:10,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f787d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:10, skipping insertion in model container [2019-10-15 00:59:10,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:06" (2/3) ... [2019-10-15 00:59:10,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f787d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:10, skipping insertion in model container [2019-10-15 00:59:10,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:10" (3/3) ... [2019-10-15 00:59:10,383 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 00:59:10,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:59:10,408 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:59:10,423 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:59:10,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:59:10,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:59:10,464 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:59:10,464 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:59:10,464 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:59:10,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:59:10,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:59:10,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:59:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states. [2019-10-15 00:59:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-10-15 00:59:10,569 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:10,572 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:10,575 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:10,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:10,582 INFO L82 PathProgramCache]: Analyzing trace with hash -966382659, now seen corresponding path program 1 times [2019-10-15 00:59:10,592 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:10,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105280999] [2019-10-15 00:59:10,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:10,594 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:10,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-15 00:59:11,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105280999] [2019-10-15 00:59:11,630 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:11,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:11,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072513422] [2019-10-15 00:59:11,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:11,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:11,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:11,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:11,656 INFO L87 Difference]: Start difference. First operand 1017 states. Second operand 5 states. [2019-10-15 00:59:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:12,017 INFO L93 Difference]: Finished difference Result 2849 states and 3866 transitions. [2019-10-15 00:59:12,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:12,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2019-10-15 00:59:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:12,069 INFO L225 Difference]: With dead ends: 2849 [2019-10-15 00:59:12,069 INFO L226 Difference]: Without dead ends: 1832 [2019-10-15 00:59:12,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2019-10-15 00:59:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1819. [2019-10-15 00:59:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1819 states. [2019-10-15 00:59:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2454 transitions. [2019-10-15 00:59:12,340 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2454 transitions. Word has length 311 [2019-10-15 00:59:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:12,341 INFO L462 AbstractCegarLoop]: Abstraction has 1819 states and 2454 transitions. [2019-10-15 00:59:12,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2454 transitions. [2019-10-15 00:59:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-10-15 00:59:12,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:12,358 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:12,359 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:12,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2129013875, now seen corresponding path program 1 times [2019-10-15 00:59:12,359 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:12,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154119112] [2019-10-15 00:59:12,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:12,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:12,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-15 00:59:12,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154119112] [2019-10-15 00:59:12,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:12,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:12,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113470881] [2019-10-15 00:59:12,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:12,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:12,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:12,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:12,784 INFO L87 Difference]: Start difference. First operand 1819 states and 2454 transitions. Second operand 5 states. [2019-10-15 00:59:13,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:13,059 INFO L93 Difference]: Finished difference Result 5429 states and 7356 transitions. [2019-10-15 00:59:13,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:13,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 312 [2019-10-15 00:59:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:13,107 INFO L225 Difference]: With dead ends: 5429 [2019-10-15 00:59:13,107 INFO L226 Difference]: Without dead ends: 3634 [2019-10-15 00:59:13,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2019-10-15 00:59:13,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3613. [2019-10-15 00:59:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3613 states. [2019-10-15 00:59:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 4883 transitions. [2019-10-15 00:59:13,361 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 4883 transitions. Word has length 312 [2019-10-15 00:59:13,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:13,362 INFO L462 AbstractCegarLoop]: Abstraction has 3613 states and 4883 transitions. [2019-10-15 00:59:13,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4883 transitions. [2019-10-15 00:59:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-10-15 00:59:13,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:13,380 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:13,380 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:13,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1322207718, now seen corresponding path program 1 times [2019-10-15 00:59:13,381 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:13,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004859133] [2019-10-15 00:59:13,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:13,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:13,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-15 00:59:13,769 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004859133] [2019-10-15 00:59:13,769 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:13,769 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:13,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189857809] [2019-10-15 00:59:13,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:13,770 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:13,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:13,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:13,771 INFO L87 Difference]: Start difference. First operand 3613 states and 4883 transitions. Second operand 5 states. [2019-10-15 00:59:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:14,198 INFO L93 Difference]: Finished difference Result 10834 states and 14687 transitions. [2019-10-15 00:59:14,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:14,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2019-10-15 00:59:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:14,263 INFO L225 Difference]: With dead ends: 10834 [2019-10-15 00:59:14,264 INFO L226 Difference]: Without dead ends: 7245 [2019-10-15 00:59:14,289 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7245 states. [2019-10-15 00:59:14,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7245 to 7206. [2019-10-15 00:59:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7206 states. [2019-10-15 00:59:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7206 states to 7206 states and 9749 transitions. [2019-10-15 00:59:14,832 INFO L78 Accepts]: Start accepts. Automaton has 7206 states and 9749 transitions. Word has length 313 [2019-10-15 00:59:14,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:14,833 INFO L462 AbstractCegarLoop]: Abstraction has 7206 states and 9749 transitions. [2019-10-15 00:59:14,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7206 states and 9749 transitions. [2019-10-15 00:59:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-10-15 00:59:14,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:14,859 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:14,860 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:14,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:14,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1560161040, now seen corresponding path program 1 times [2019-10-15 00:59:14,861 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:14,861 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593486740] [2019-10-15 00:59:14,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:14,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:14,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-15 00:59:15,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593486740] [2019-10-15 00:59:15,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:15,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:15,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007356670] [2019-10-15 00:59:15,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:15,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:15,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:15,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:15,175 INFO L87 Difference]: Start difference. First operand 7206 states and 9749 transitions. Second operand 5 states. [2019-10-15 00:59:15,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:15,944 INFO L93 Difference]: Finished difference Result 21433 states and 29045 transitions. [2019-10-15 00:59:15,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:15,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 314 [2019-10-15 00:59:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:16,058 INFO L225 Difference]: With dead ends: 21433 [2019-10-15 00:59:16,058 INFO L226 Difference]: Without dead ends: 14251 [2019-10-15 00:59:16,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:16,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14251 states. [2019-10-15 00:59:17,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14251 to 14179. [2019-10-15 00:59:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14179 states. [2019-10-15 00:59:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14179 states to 14179 states and 19175 transitions. [2019-10-15 00:59:17,957 INFO L78 Accepts]: Start accepts. Automaton has 14179 states and 19175 transitions. Word has length 314 [2019-10-15 00:59:17,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:17,958 INFO L462 AbstractCegarLoop]: Abstraction has 14179 states and 19175 transitions. [2019-10-15 00:59:17,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14179 states and 19175 transitions. [2019-10-15 00:59:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-15 00:59:17,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:17,986 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:17,986 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:17,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:17,986 INFO L82 PathProgramCache]: Analyzing trace with hash -318431938, now seen corresponding path program 1 times [2019-10-15 00:59:17,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:17,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600043693] [2019-10-15 00:59:17,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:17,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:17,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2019-10-15 00:59:18,316 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600043693] [2019-10-15 00:59:18,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527023859] [2019-10-15 00:59:18,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:19,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 00:59:19,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:59:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 1009 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-10-15 00:59:19,317 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:59:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2019-10-15 00:59:19,654 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:59:19,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-15 00:59:19,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919013141] [2019-10-15 00:59:19,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:59:19,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:19,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:59:19,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:59:19,657 INFO L87 Difference]: Start difference. First operand 14179 states and 19175 transitions. Second operand 3 states. [2019-10-15 00:59:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:21,172 INFO L93 Difference]: Finished difference Result 42489 states and 58001 transitions. [2019-10-15 00:59:21,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:59:21,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-10-15 00:59:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:21,359 INFO L225 Difference]: With dead ends: 42489 [2019-10-15 00:59:21,359 INFO L226 Difference]: Without dead ends: 28334 [2019-10-15 00:59:21,440 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:59:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28334 states. [2019-10-15 00:59:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28334 to 28331. [2019-10-15 00:59:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28331 states. [2019-10-15 00:59:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28331 states to 28331 states and 38592 transitions. [2019-10-15 00:59:24,137 INFO L78 Accepts]: Start accepts. Automaton has 28331 states and 38592 transitions. Word has length 326 [2019-10-15 00:59:24,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:24,138 INFO L462 AbstractCegarLoop]: Abstraction has 28331 states and 38592 transitions. [2019-10-15 00:59:24,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:59:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand 28331 states and 38592 transitions. [2019-10-15 00:59:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-15 00:59:24,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:24,159 INFO L380 BasicCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:24,369 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:24,370 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:24,370 INFO L82 PathProgramCache]: Analyzing trace with hash 561805148, now seen corresponding path program 1 times [2019-10-15 00:59:24,371 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:24,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311814740] [2019-10-15 00:59:24,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:24,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:24,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2019-10-15 00:59:24,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311814740] [2019-10-15 00:59:24,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420321766] [2019-10-15 00:59:24,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:25,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 00:59:25,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:59:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-15 00:59:25,846 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:59:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-15 00:59:26,406 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:59:26,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-15 00:59:26,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46667907] [2019-10-15 00:59:26,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:59:26,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:26,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:59:26,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-15 00:59:26,409 INFO L87 Difference]: Start difference. First operand 28331 states and 38592 transitions. Second operand 7 states. [2019-10-15 00:59:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:28,154 INFO L93 Difference]: Finished difference Result 70941 states and 96758 transitions. [2019-10-15 00:59:28,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 00:59:28,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2019-10-15 00:59:28,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:28,428 INFO L225 Difference]: With dead ends: 70941 [2019-10-15 00:59:28,428 INFO L226 Difference]: Without dead ends: 42634 [2019-10-15 00:59:28,525 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 714 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-15 00:59:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42634 states. [2019-10-15 00:59:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42634 to 42381. [2019-10-15 00:59:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42381 states. [2019-10-15 00:59:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42381 states to 42381 states and 57867 transitions. [2019-10-15 00:59:31,965 INFO L78 Accepts]: Start accepts. Automaton has 42381 states and 57867 transitions. Word has length 360 [2019-10-15 00:59:31,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:31,966 INFO L462 AbstractCegarLoop]: Abstraction has 42381 states and 57867 transitions. [2019-10-15 00:59:31,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:59:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 42381 states and 57867 transitions. [2019-10-15 00:59:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-10-15 00:59:32,008 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:32,008 INFO L380 BasicCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:32,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:32,225 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:32,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2110835969, now seen corresponding path program 1 times [2019-10-15 00:59:32,227 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:32,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46054876] [2019-10-15 00:59:32,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:32,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:32,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-15 00:59:32,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46054876] [2019-10-15 00:59:32,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413098835] [2019-10-15 00:59:32,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)