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 -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-fea9116 [2019-09-20 13:21:22,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:21:22,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:21:22,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:21:22,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:21:22,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:21:22,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:21:22,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:21:22,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:21:22,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:21:22,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:21:22,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:21:22,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:21:22,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:21:22,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:21:22,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:21:22,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:21:22,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:21:22,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:21:22,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:21:22,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:21:22,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:21:22,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:21:22,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:21:22,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:21:22,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:21:22,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:21:22,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:21:22,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:21:22,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:21:22,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:21:22,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:21:22,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:21:22,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:21:22,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:21:22,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:21:22,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:21:22,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:21:22,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:21:22,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:21:22,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:21:22,440 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 [2019-09-20 13:21:22,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:21:22,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:21:22,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:21:22,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:21:22,457 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:21:22,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:21:22,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:21:22,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:21:22,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:21:22,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:21:22,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:21:22,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:21:22,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:21:22,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:21:22,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:21:22,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:21:22,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:21:22,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:21:22,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:21:22,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:21:22,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:21:22,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:21:22,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:21:22,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:21:22,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:21:22,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:21:22,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:21:22,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:21:22,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:21:22,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:21:22,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:21:22,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:21:22,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:21:22,509 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:21:22,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-09-20 13:21:22,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040bf06da/53188d1d21814ac987f1517c4275aaf0/FLAG2ad4d3789 [2019-09-20 13:21:23,392 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:21:23,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-09-20 13:21:23,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040bf06da/53188d1d21814ac987f1517c4275aaf0/FLAG2ad4d3789 [2019-09-20 13:21:23,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040bf06da/53188d1d21814ac987f1517c4275aaf0 [2019-09-20 13:21:23,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:21:23,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:21:23,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:23,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:21:23,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:21:23,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:23" (1/1) ... [2019-09-20 13:21:23,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf58ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:23, skipping insertion in model container [2019-09-20 13:21:23,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:23" (1/1) ... [2019-09-20 13:21:23,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:21:24,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:21:25,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:25,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:21:26,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:26,475 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:21:26,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26 WrapperNode [2019-09-20 13:21:26,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:26,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:21:26,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:21:26,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:21:26,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (1/1) ... [2019-09-20 13:21:26,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:21:26,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:21:26,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:21:26,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:21:26,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (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 [2019-09-20 13:21:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:21:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:21:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:21:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:21:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:21:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:21:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-20 13:21:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:21:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-20 13:21:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-20 13:21:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-20 13:21:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-09-20 13:21:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-20 13:21:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-20 13:21:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:21:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:21:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:21:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:21:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-20 13:21:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:21:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-20 13:21:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-20 13:21:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-09-20 13:21:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-09-20 13:21:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:21:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:21:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:21:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2019-09-20 13:21:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2019-09-20 13:21:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2019-09-20 13:21:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2019-09-20 13:21:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-20 13:21:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 13:21:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-20 13:21:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-20 13:21:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-20 13:21:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-20 13:21:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2019-09-20 13:21:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-09-20 13:21:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2019-09-20 13:21:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-09-20 13:21:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2019-09-20 13:21:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2019-09-20 13:21:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2019-09-20 13:21:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2019-09-20 13:21:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2019-09-20 13:21:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2019-09-20 13:21:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2019-09-20 13:21:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2019-09-20 13:21:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2019-09-20 13:21:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2019-09-20 13:21:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2019-09-20 13:21:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2019-09-20 13:21:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-09-20 13:21:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-20 13:21:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:21:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-20 13:21:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-20 13:21:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-20 13:21:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-20 13:21:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-20 13:21:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-09-20 13:21:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-09-20 13:21:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-20 13:21:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-20 13:21:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-20 13:21:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:21:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-20 13:21:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:21:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:21:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:21:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:21:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-20 13:21:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-20 13:21:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-20 13:21:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-09-20 13:21:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-09-20 13:21:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-09-20 13:21:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-20 13:21:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-20 13:21:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-20 13:21:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-20 13:21:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-20 13:21:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-09-20 13:21:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2019-09-20 13:21:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-20 13:21:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-09-20 13:21:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-20 13:21:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-20 13:21:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-09-20 13:21:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-20 13:21:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:21:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-09-20 13:21:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2019-09-20 13:21:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:21:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-09-20 13:21:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-20 13:21:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-20 13:21:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:21:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:21:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:21:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:21:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:21:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-20 13:21:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-20 13:21:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:21:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-20 13:21:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-20 13:21:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-09-20 13:21:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-20 13:21:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:21:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-20 13:21:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-20 13:21:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-09-20 13:21:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-09-20 13:21:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2019-09-20 13:21:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-09-20 13:21:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-09-20 13:21:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-09-20 13:21:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:21:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:21:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:21:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:21:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:21:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:21:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:21:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2019-09-20 13:21:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-20 13:21:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:21:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-09-20 13:21:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-20 13:21:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2019-09-20 13:21:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-09-20 13:21:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2019-09-20 13:21:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2019-09-20 13:21:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2019-09-20 13:21:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2019-09-20 13:21:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:21:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:21:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2019-09-20 13:21:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:21:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:21:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:21:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2019-09-20 13:21:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2019-09-20 13:21:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-20 13:21:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-20 13:21:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-20 13:21:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:21:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:21:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:21:27,889 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:21:31,332 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:21:31,333 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:21:31,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:31 BoogieIcfgContainer [2019-09-20 13:21:31,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:21:31,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:21:31,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:21:31,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:21:31,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:21:23" (1/3) ... [2019-09-20 13:21:31,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd75ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:31, skipping insertion in model container [2019-09-20 13:21:31,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:26" (2/3) ... [2019-09-20 13:21:31,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd75ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:31, skipping insertion in model container [2019-09-20 13:21:31,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:31" (3/3) ... [2019-09-20 13:21:31,343 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 [2019-09-20 13:21:31,353 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:21:31,364 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:21:31,381 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:21:31,425 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:21:31,426 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:21:31,426 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:21:31,426 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:21:31,426 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:21:31,427 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:21:31,427 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:21:31,427 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:21:31,427 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:21:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states. [2019-09-20 13:21:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:21:31,484 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:31,485 INFO L407 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] [2019-09-20 13:21:31,487 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:31,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1559467716, now seen corresponding path program 1 times [2019-09-20 13:21:31,495 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:31,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:31,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:31,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:31,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:21:32,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:32,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:32,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:32,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:32,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:32,224 INFO L87 Difference]: Start difference. First operand 1176 states. Second operand 3 states. [2019-09-20 13:21:33,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:33,170 INFO L93 Difference]: Finished difference Result 3330 states and 4652 transitions. [2019-09-20 13:21:33,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:33,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-09-20 13:21:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:33,217 INFO L225 Difference]: With dead ends: 3330 [2019-09-20 13:21:33,218 INFO L226 Difference]: Without dead ends: 2187 [2019-09-20 13:21:33,234 INFO L636 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 [2019-09-20 13:21:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2019-09-20 13:21:33,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2019-09-20 13:21:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2019-09-20 13:21:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2999 transitions. [2019-09-20 13:21:33,548 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2999 transitions. Word has length 58 [2019-09-20 13:21:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:33,549 INFO L475 AbstractCegarLoop]: Abstraction has 2187 states and 2999 transitions. [2019-09-20 13:21:33,549 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2999 transitions. [2019-09-20 13:21:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:21:33,556 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:33,556 INFO L407 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] [2019-09-20 13:21:33,556 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash 384433014, now seen corresponding path program 1 times [2019-09-20 13:21:33,557 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:33,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:33,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:33,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:33,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:21:33,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:33,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:21:33,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:21:33,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:21:33,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:21:33,816 INFO L87 Difference]: Start difference. First operand 2187 states and 2999 transitions. Second operand 5 states. [2019-09-20 13:21:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:34,030 INFO L93 Difference]: Finished difference Result 4352 states and 5972 transitions. [2019-09-20 13:21:34,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:21:34,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-20 13:21:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:34,047 INFO L225 Difference]: With dead ends: 4352 [2019-09-20 13:21:34,047 INFO L226 Difference]: Without dead ends: 2187 [2019-09-20 13:21:34,057 INFO L636 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 [2019-09-20 13:21:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2019-09-20 13:21:34,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2019-09-20 13:21:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2019-09-20 13:21:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2997 transitions. [2019-09-20 13:21:34,257 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2997 transitions. Word has length 61 [2019-09-20 13:21:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:34,258 INFO L475 AbstractCegarLoop]: Abstraction has 2187 states and 2997 transitions. [2019-09-20 13:21:34,258 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:21:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2997 transitions. [2019-09-20 13:21:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:21:34,264 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:34,264 INFO L407 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] [2019-09-20 13:21:34,265 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 736916615, now seen corresponding path program 1 times [2019-09-20 13:21:34,265 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:34,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:34,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:34,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:34,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-09-20 13:21:34,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:34,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:21:34,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:34,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:34,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:34,578 INFO L87 Difference]: Start difference. First operand 2187 states and 2997 transitions. Second operand 6 states. [2019-09-20 13:21:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:37,084 INFO L93 Difference]: Finished difference Result 6522 states and 9045 transitions. [2019-09-20 13:21:37,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:21:37,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-09-20 13:21:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:37,114 INFO L225 Difference]: With dead ends: 6522 [2019-09-20 13:21:37,115 INFO L226 Difference]: Without dead ends: 4345 [2019-09-20 13:21:37,127 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:37,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2019-09-20 13:21:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 4345. [2019-09-20 13:21:37,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2019-09-20 13:21:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6011 transitions. [2019-09-20 13:21:37,468 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6011 transitions. Word has length 93 [2019-09-20 13:21:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:37,469 INFO L475 AbstractCegarLoop]: Abstraction has 4345 states and 6011 transitions. [2019-09-20 13:21:37,469 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6011 transitions. [2019-09-20 13:21:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-20 13:21:37,490 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:37,491 INFO L407 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] [2019-09-20 13:21:37,491 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:37,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:37,492 INFO L82 PathProgramCache]: Analyzing trace with hash 846804346, now seen corresponding path program 1 times [2019-09-20 13:21:37,492 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:37,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:37,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:37,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:37,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-20 13:21:37,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:37,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:37,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:37,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:37,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:37,796 INFO L87 Difference]: Start difference. First operand 4345 states and 6011 transitions. Second operand 3 states. [2019-09-20 13:21:38,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:38,193 INFO L93 Difference]: Finished difference Result 10443 states and 14342 transitions. [2019-09-20 13:21:38,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:38,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-09-20 13:21:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:38,236 INFO L225 Difference]: With dead ends: 10443 [2019-09-20 13:21:38,236 INFO L226 Difference]: Without dead ends: 6120 [2019-09-20 13:21:38,256 INFO L636 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 [2019-09-20 13:21:38,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2019-09-20 13:21:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 6091. [2019-09-20 13:21:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2019-09-20 13:21:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 8325 transitions. [2019-09-20 13:21:39,141 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 8325 transitions. Word has length 278 [2019-09-20 13:21:39,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:39,142 INFO L475 AbstractCegarLoop]: Abstraction has 6091 states and 8325 transitions. [2019-09-20 13:21:39,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 8325 transitions. [2019-09-20 13:21:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-20 13:21:39,193 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:39,193 INFO L407 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] [2019-09-20 13:21:39,194 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:39,194 INFO L82 PathProgramCache]: Analyzing trace with hash -591050592, now seen corresponding path program 1 times [2019-09-20 13:21:39,194 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:39,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:39,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:39,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:39,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-20 13:21:39,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:39,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:39,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:39,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:39,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:39,495 INFO L87 Difference]: Start difference. First operand 6091 states and 8325 transitions. Second operand 3 states. [2019-09-20 13:21:39,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:39,881 INFO L93 Difference]: Finished difference Result 12257 states and 16752 transitions. [2019-09-20 13:21:39,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:39,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-09-20 13:21:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:39,925 INFO L225 Difference]: With dead ends: 12257 [2019-09-20 13:21:39,925 INFO L226 Difference]: Without dead ends: 6188 [2019-09-20 13:21:39,950 INFO L636 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 [2019-09-20 13:21:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6188 states. [2019-09-20 13:21:40,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6188 to 6171. [2019-09-20 13:21:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6171 states. [2019-09-20 13:21:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6171 states to 6171 states and 8432 transitions. [2019-09-20 13:21:40,270 INFO L78 Accepts]: Start accepts. Automaton has 6171 states and 8432 transitions. Word has length 275 [2019-09-20 13:21:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:40,271 INFO L475 AbstractCegarLoop]: Abstraction has 6171 states and 8432 transitions. [2019-09-20 13:21:40,271 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6171 states and 8432 transitions. [2019-09-20 13:21:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-20 13:21:40,299 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:40,300 INFO L407 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] [2019-09-20 13:21:40,300 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:40,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:40,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1996318002, now seen corresponding path program 2 times [2019-09-20 13:21:40,301 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:40,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:40,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:40,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:40,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-09-20 13:21:40,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:40,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:40,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:40,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:40,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:40,658 INFO L87 Difference]: Start difference. First operand 6171 states and 8432 transitions. Second operand 3 states. [2019-09-20 13:21:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:41,767 INFO L93 Difference]: Finished difference Result 15729 states and 21537 transitions. [2019-09-20 13:21:41,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:41,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-09-20 13:21:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:41,835 INFO L225 Difference]: With dead ends: 15729 [2019-09-20 13:21:41,835 INFO L226 Difference]: Without dead ends: 9604 [2019-09-20 13:21:41,862 INFO L636 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 [2019-09-20 13:21:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9604 states. [2019-09-20 13:21:42,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9604 to 9587. [2019-09-20 13:21:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9587 states. [2019-09-20 13:21:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9587 states to 9587 states and 13040 transitions. [2019-09-20 13:21:42,333 INFO L78 Accepts]: Start accepts. Automaton has 9587 states and 13040 transitions. Word has length 275 [2019-09-20 13:21:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:42,334 INFO L475 AbstractCegarLoop]: Abstraction has 9587 states and 13040 transitions. [2019-09-20 13:21:42,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 9587 states and 13040 transitions. [2019-09-20 13:21:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-20 13:21:42,383 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:42,384 INFO L407 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] [2019-09-20 13:21:42,384 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:42,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:42,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1459931570, now seen corresponding path program 2 times [2019-09-20 13:21:42,385 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:42,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:42,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:42,396 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:21:42,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-09-20 13:21:42,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:42,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:42,852 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:42,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:42,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:42,853 INFO L87 Difference]: Start difference. First operand 9587 states and 13040 transitions. Second operand 3 states. [2019-09-20 13:21:43,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:43,873 INFO L93 Difference]: Finished difference Result 24025 states and 32757 transitions. [2019-09-20 13:21:43,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:43,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-09-20 13:21:43,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:43,952 INFO L225 Difference]: With dead ends: 24025 [2019-09-20 13:21:43,953 INFO L226 Difference]: Without dead ends: 14484 [2019-09-20 13:21:43,995 INFO L636 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 [2019-09-20 13:21:44,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14484 states. [2019-09-20 13:21:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14484 to 14427. [2019-09-20 13:21:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14427 states. [2019-09-20 13:21:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14427 states to 14427 states and 19560 transitions. [2019-09-20 13:21:44,675 INFO L78 Accepts]: Start accepts. Automaton has 14427 states and 19560 transitions. Word has length 278 [2019-09-20 13:21:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:44,677 INFO L475 AbstractCegarLoop]: Abstraction has 14427 states and 19560 transitions. [2019-09-20 13:21:44,677 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14427 states and 19560 transitions. [2019-09-20 13:21:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-20 13:21:44,725 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:44,725 INFO L407 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] [2019-09-20 13:21:44,726 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:44,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1614709114, now seen corresponding path program 1 times [2019-09-20 13:21:44,726 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:44,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:45,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:45,281 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:21:45,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-09-20 13:21:45,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:45,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:21:45,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:21:45,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:21:45,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:21:45,654 INFO L87 Difference]: Start difference. First operand 14427 states and 19560 transitions. Second operand 5 states. [2019-09-20 13:21:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:46,158 INFO L93 Difference]: Finished difference Result 28906 states and 39562 transitions. [2019-09-20 13:21:46,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:21:46,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2019-09-20 13:21:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:46,256 INFO L225 Difference]: With dead ends: 28906 [2019-09-20 13:21:46,257 INFO L226 Difference]: Without dead ends: 14525 [2019-09-20 13:21:46,308 INFO L636 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 [2019-09-20 13:21:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2019-09-20 13:21:46,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14507. [2019-09-20 13:21:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14507 states. [2019-09-20 13:21:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14507 states to 14507 states and 19648 transitions. [2019-09-20 13:21:47,219 INFO L78 Accepts]: Start accepts. Automaton has 14507 states and 19648 transitions. Word has length 278 [2019-09-20 13:21:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:47,220 INFO L475 AbstractCegarLoop]: Abstraction has 14507 states and 19648 transitions. [2019-09-20 13:21:47,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:21:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 14507 states and 19648 transitions. [2019-09-20 13:21:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-09-20 13:21:47,272 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:47,273 INFO L407 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] [2019-09-20 13:21:47,273 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:47,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1351756126, now seen corresponding path program 1 times [2019-09-20 13:21:47,274 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:47,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:47,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:47,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:47,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-20 13:21:47,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:47,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:21:47,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:21:47,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:21:47,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:21:47,547 INFO L87 Difference]: Start difference. First operand 14507 states and 19648 transitions. Second operand 4 states. [2019-09-20 13:21:47,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:47,892 INFO L93 Difference]: Finished difference Result 29096 states and 39693 transitions. [2019-09-20 13:21:47,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:21:47,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 280 [2019-09-20 13:21:47,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:47,958 INFO L225 Difference]: With dead ends: 29096 [2019-09-20 13:21:47,958 INFO L226 Difference]: Without dead ends: 14635 [2019-09-20 13:21:47,993 INFO L636 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 [2019-09-20 13:21:48,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14635 states. [2019-09-20 13:21:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14635 to 14555. [2019-09-20 13:21:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14555 states. [2019-09-20 13:21:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14555 states to 14555 states and 19696 transitions. [2019-09-20 13:21:48,728 INFO L78 Accepts]: Start accepts. Automaton has 14555 states and 19696 transitions. Word has length 280 [2019-09-20 13:21:48,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:48,729 INFO L475 AbstractCegarLoop]: Abstraction has 14555 states and 19696 transitions. [2019-09-20 13:21:48,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:21:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14555 states and 19696 transitions. [2019-09-20 13:21:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-09-20 13:21:48,766 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:48,766 INFO L407 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] [2019-09-20 13:21:48,766 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:48,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash -804483376, now seen corresponding path program 1 times [2019-09-20 13:21:48,767 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:48,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:48,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:48,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:48,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-09-20 13:21:49,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:49,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:21:49,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:21:49,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:21:49,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:21:49,816 INFO L87 Difference]: Start difference. First operand 14555 states and 19696 transitions. Second operand 11 states. [2019-09-20 13:21:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:50,453 INFO L93 Difference]: Finished difference Result 30106 states and 41394 transitions. [2019-09-20 13:21:50,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:21:50,453 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 283 [2019-09-20 13:21:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:50,535 INFO L225 Difference]: With dead ends: 30106 [2019-09-20 13:21:50,535 INFO L226 Difference]: Without dead ends: 15597 [2019-09-20 13:21:50,577 INFO L636 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 [2019-09-20 13:21:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15597 states. [2019-09-20 13:21:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15597 to 14651. [2019-09-20 13:21:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14651 states. [2019-09-20 13:21:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14651 states to 14651 states and 19776 transitions. [2019-09-20 13:21:51,279 INFO L78 Accepts]: Start accepts. Automaton has 14651 states and 19776 transitions. Word has length 283 [2019-09-20 13:21:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:51,282 INFO L475 AbstractCegarLoop]: Abstraction has 14651 states and 19776 transitions. [2019-09-20 13:21:51,282 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:21:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 14651 states and 19776 transitions. [2019-09-20 13:21:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-20 13:21:51,321 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:51,321 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:51,321 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:51,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:51,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1500625917, now seen corresponding path program 1 times [2019-09-20 13:21:51,322 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:51,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:51,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:51,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:51,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-09-20 13:21:51,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:51,819 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:52,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY