java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:32:10,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:32:10,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:32:10,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:32:10,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:32:10,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:32:10,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:32:10,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:32:10,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:32:10,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:32:10,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:32:10,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:32:10,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:32:10,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:32:10,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:32:10,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:32:10,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:32:10,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:32:10,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:32:10,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:32:10,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:32:10,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:32:10,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:32:10,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:32:10,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:32:10,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:32:10,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:32:10,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:32:10,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:32:10,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:32:10,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:32:10,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:32:10,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:32:10,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:32:10,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:32:10,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:32:10,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:32:10,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:32:10,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:32:10,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:32:10,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:32:10,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:32:10,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:32:10,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:32:10,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:32:10,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:32:10,513 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:32:10,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:32:10,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:32:10,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:32:10,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:32:10,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:32:10,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:32:10,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:32:10,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:32:10,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:32:10,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:32:10,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:32:10,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:32:10,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:32:10,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:32:10,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:32:10,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:32:10,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:10,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:32:10,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:32:10,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:32:10,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:32:10,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:32:10,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:32:10,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:32:10,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:32:10,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:32:10,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:32:10,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:32:10,863 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:32:10,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-13 20:32:10,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51db93f71/7b2299ae5ad64cdf990033d7dbd67283/FLAG627cd484e [2019-10-13 20:32:11,778 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:32:11,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-13 20:32:11,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51db93f71/7b2299ae5ad64cdf990033d7dbd67283/FLAG627cd484e [2019-10-13 20:32:12,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51db93f71/7b2299ae5ad64cdf990033d7dbd67283 [2019-10-13 20:32:12,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:32:12,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:32:12,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:12,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:32:12,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:32:12,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:12" (1/1) ... [2019-10-13 20:32:12,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20014100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:12, skipping insertion in model container [2019-10-13 20:32:12,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:12" (1/1) ... [2019-10-13 20:32:12,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:32:12,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:32:14,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:14,533 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:32:15,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:15,512 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:32:15,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15 WrapperNode [2019-10-13 20:32:15,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:15,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:32:15,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:32:15,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:32:15,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... [2019-10-13 20:32:15,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:32:15,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:32:15,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:32:15,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:32:15,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:32:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:32:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-13 20:32:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-13 20:32:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:32:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:32:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:32:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:32:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:32:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:32:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:32:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:32:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:32:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:32:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:32:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:32:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:32:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:32:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:32:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:32:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 20:32:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-10-13 20:32:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2019-10-13 20:32:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2019-10-13 20:32:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2019-10-13 20:32:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 20:32:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 20:32:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-10-13 20:32:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:32:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 20:32:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 20:32:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-13 20:32:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-13 20:32:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-13 20:32:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 20:32:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-13 20:32:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:32:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:32:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:32:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:32:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:32:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:32:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:32:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-13 20:32:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:32:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:32:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:32:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-13 20:32:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-10-13 20:32:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 20:32:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 20:32:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-13 20:32:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-13 20:32:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-13 20:32:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-10-13 20:32:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:32:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-13 20:32:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-13 20:32:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-13 20:32:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2019-10-13 20:32:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-13 20:32:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-13 20:32:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2019-10-13 20:32:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2019-10-13 20:32:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2019-10-13 20:32:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2019-10-13 20:32:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:32:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-13 20:32:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 20:32:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 20:32:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:32:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:32:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:32:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:32:16,643 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:32:19,478 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:32:19,478 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 20:32:19,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:19 BoogieIcfgContainer [2019-10-13 20:32:19,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:32:19,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:32:19,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:32:19,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:32:19,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:32:12" (1/3) ... [2019-10-13 20:32:19,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d53029b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:19, skipping insertion in model container [2019-10-13 20:32:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:15" (2/3) ... [2019-10-13 20:32:19,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d53029b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:19, skipping insertion in model container [2019-10-13 20:32:19,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:19" (3/3) ... [2019-10-13 20:32:19,498 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-13 20:32:19,509 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:32:19,522 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:32:19,535 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:32:19,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:32:19,578 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:32:19,578 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:32:19,578 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:32:19,578 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:32:19,578 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:32:19,578 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:32:19,578 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:32:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2019-10-13 20:32:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 20:32:19,645 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:19,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:19,649 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:19,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1121687713, now seen corresponding path program 1 times [2019-10-13 20:32:19,664 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:19,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596590864] [2019-10-13 20:32:19,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:19,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:19,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:32:20,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596590864] [2019-10-13 20:32:20,414 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:20,415 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:20,415 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203232552] [2019-10-13 20:32:20,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:20,421 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:20,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:20,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:20,439 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 3 states. [2019-10-13 20:32:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:20,829 INFO L93 Difference]: Finished difference Result 1990 states and 2654 transitions. [2019-10-13 20:32:20,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:20,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-13 20:32:20,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:20,864 INFO L225 Difference]: With dead ends: 1990 [2019-10-13 20:32:20,865 INFO L226 Difference]: Without dead ends: 1297 [2019-10-13 20:32:20,876 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:20,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2019-10-13 20:32:21,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2019-10-13 20:32:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2019-10-13 20:32:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1692 transitions. [2019-10-13 20:32:21,071 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1692 transitions. Word has length 41 [2019-10-13 20:32:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:21,072 INFO L462 AbstractCegarLoop]: Abstraction has 1297 states and 1692 transitions. [2019-10-13 20:32:21,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1692 transitions. [2019-10-13 20:32:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 20:32:21,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:21,084 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:21,085 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:21,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1934004690, now seen corresponding path program 1 times [2019-10-13 20:32:21,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:21,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805534929] [2019-10-13 20:32:21,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:21,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:21,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:21,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:32:21,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805534929] [2019-10-13 20:32:21,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:21,274 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:32:21,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673361842] [2019-10-13 20:32:21,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:32:21,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:21,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:32:21,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:32:21,278 INFO L87 Difference]: Start difference. First operand 1297 states and 1692 transitions. Second operand 5 states. [2019-10-13 20:32:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:21,418 INFO L93 Difference]: Finished difference Result 2577 states and 3365 transitions. [2019-10-13 20:32:21,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:32:21,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-10-13 20:32:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:21,428 INFO L225 Difference]: With dead ends: 2577 [2019-10-13 20:32:21,429 INFO L226 Difference]: Without dead ends: 1296 [2019-10-13 20:32:21,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:32:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-10-13 20:32:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2019-10-13 20:32:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2019-10-13 20:32:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1688 transitions. [2019-10-13 20:32:21,526 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1688 transitions. Word has length 44 [2019-10-13 20:32:21,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:21,527 INFO L462 AbstractCegarLoop]: Abstraction has 1296 states and 1688 transitions. [2019-10-13 20:32:21,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:32:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1688 transitions. [2019-10-13 20:32:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 20:32:21,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:21,531 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 20:32:21,531 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:21,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:21,532 INFO L82 PathProgramCache]: Analyzing trace with hash -539260528, now seen corresponding path program 1 times [2019-10-13 20:32:21,532 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:21,532 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602083506] [2019-10-13 20:32:21,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:21,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:21,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 20:32:21,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602083506] [2019-10-13 20:32:21,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:21,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:21,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528103638] [2019-10-13 20:32:21,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:21,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:21,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:21,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:21,798 INFO L87 Difference]: Start difference. First operand 1296 states and 1688 transitions. Second operand 6 states. [2019-10-13 20:32:23,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:23,080 INFO L93 Difference]: Finished difference Result 2580 states and 3397 transitions. [2019-10-13 20:32:23,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:32:23,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-10-13 20:32:23,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:23,101 INFO L225 Difference]: With dead ends: 2580 [2019-10-13 20:32:23,101 INFO L226 Difference]: Without dead ends: 2564 [2019-10-13 20:32:23,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 20:32:23,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2019-10-13 20:32:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2019-10-13 20:32:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-10-13 20:32:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3381 transitions. [2019-10-13 20:32:23,223 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3381 transitions. Word has length 65 [2019-10-13 20:32:23,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:23,224 INFO L462 AbstractCegarLoop]: Abstraction has 2564 states and 3381 transitions. [2019-10-13 20:32:23,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3381 transitions. [2019-10-13 20:32:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 20:32:23,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:23,234 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:23,234 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:23,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:23,235 INFO L82 PathProgramCache]: Analyzing trace with hash 186954161, now seen corresponding path program 1 times [2019-10-13 20:32:23,235 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:23,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577361556] [2019-10-13 20:32:23,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:23,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:23,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 20:32:23,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577361556] [2019-10-13 20:32:23,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:23,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:23,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909150625] [2019-10-13 20:32:23,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:23,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:23,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:23,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:23,444 INFO L87 Difference]: Start difference. First operand 2564 states and 3381 transitions. Second operand 3 states. [2019-10-13 20:32:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:23,780 INFO L93 Difference]: Finished difference Result 6629 states and 8758 transitions. [2019-10-13 20:32:23,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:23,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-13 20:32:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:23,808 INFO L225 Difference]: With dead ends: 6629 [2019-10-13 20:32:23,809 INFO L226 Difference]: Without dead ends: 4081 [2019-10-13 20:32:23,820 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2019-10-13 20:32:24,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 4051. [2019-10-13 20:32:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4051 states. [2019-10-13 20:32:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 5333 transitions. [2019-10-13 20:32:24,108 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 5333 transitions. Word has length 112 [2019-10-13 20:32:24,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:24,109 INFO L462 AbstractCegarLoop]: Abstraction has 4051 states and 5333 transitions. [2019-10-13 20:32:24,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:24,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 5333 transitions. [2019-10-13 20:32:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 20:32:24,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:24,118 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:24,118 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:24,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:24,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1243922125, now seen corresponding path program 2 times [2019-10-13 20:32:24,119 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:24,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854016483] [2019-10-13 20:32:24,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 20:32:24,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854016483] [2019-10-13 20:32:24,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:24,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:24,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778305308] [2019-10-13 20:32:24,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:24,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:24,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:24,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:24,291 INFO L87 Difference]: Start difference. First operand 4051 states and 5333 transitions. Second operand 3 states. [2019-10-13 20:32:24,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:24,503 INFO L93 Difference]: Finished difference Result 7543 states and 9915 transitions. [2019-10-13 20:32:24,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:24,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-13 20:32:24,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:24,525 INFO L225 Difference]: With dead ends: 7543 [2019-10-13 20:32:24,525 INFO L226 Difference]: Without dead ends: 3517 [2019-10-13 20:32:24,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2019-10-13 20:32:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3489. [2019-10-13 20:32:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3489 states. [2019-10-13 20:32:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4577 transitions. [2019-10-13 20:32:24,738 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4577 transitions. Word has length 112 [2019-10-13 20:32:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:24,738 INFO L462 AbstractCegarLoop]: Abstraction has 3489 states and 4577 transitions. [2019-10-13 20:32:24,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4577 transitions. [2019-10-13 20:32:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-13 20:32:24,753 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:24,754 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:32:24,754 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:24,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:24,755 INFO L82 PathProgramCache]: Analyzing trace with hash 468006100, now seen corresponding path program 1 times [2019-10-13 20:32:24,755 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:24,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670156269] [2019-10-13 20:32:24,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 20:32:24,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670156269] [2019-10-13 20:32:24,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:24,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:24,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363847152] [2019-10-13 20:32:24,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:24,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:24,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:24,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:24,989 INFO L87 Difference]: Start difference. First operand 3489 states and 4577 transitions. Second operand 3 states. [2019-10-13 20:32:25,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:25,359 INFO L93 Difference]: Finished difference Result 7023 states and 9226 transitions. [2019-10-13 20:32:25,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:25,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-10-13 20:32:25,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:25,386 INFO L225 Difference]: With dead ends: 7023 [2019-10-13 20:32:25,386 INFO L226 Difference]: Without dead ends: 4269 [2019-10-13 20:32:25,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2019-10-13 20:32:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4241. [2019-10-13 20:32:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4241 states. [2019-10-13 20:32:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 5560 transitions. [2019-10-13 20:32:25,578 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 5560 transitions. Word has length 129 [2019-10-13 20:32:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:25,579 INFO L462 AbstractCegarLoop]: Abstraction has 4241 states and 5560 transitions. [2019-10-13 20:32:25,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 5560 transitions. [2019-10-13 20:32:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 20:32:25,594 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:25,595 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:25,595 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:25,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:25,596 INFO L82 PathProgramCache]: Analyzing trace with hash -847576212, now seen corresponding path program 1 times [2019-10-13 20:32:25,596 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:25,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026410998] [2019-10-13 20:32:25,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:25,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:25,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 20:32:25,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026410998] [2019-10-13 20:32:25,848 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:25,849 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:25,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992931275] [2019-10-13 20:32:25,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:25,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:25,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:25,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:25,850 INFO L87 Difference]: Start difference. First operand 4241 states and 5560 transitions. Second operand 6 states. [2019-10-13 20:32:27,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:27,938 INFO L93 Difference]: Finished difference Result 12031 states and 15881 transitions. [2019-10-13 20:32:27,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:32:27,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-10-13 20:32:27,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:27,994 INFO L225 Difference]: With dead ends: 12031 [2019-10-13 20:32:27,994 INFO L226 Difference]: Without dead ends: 7815 [2019-10-13 20:32:28,018 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:32:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2019-10-13 20:32:28,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 7799. [2019-10-13 20:32:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2019-10-13 20:32:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 10254 transitions. [2019-10-13 20:32:28,472 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 10254 transitions. Word has length 174 [2019-10-13 20:32:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:28,473 INFO L462 AbstractCegarLoop]: Abstraction has 7799 states and 10254 transitions. [2019-10-13 20:32:28,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 10254 transitions. [2019-10-13 20:32:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-13 20:32:28,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:28,491 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:28,491 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:28,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:28,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1626968450, now seen corresponding path program 1 times [2019-10-13 20:32:28,492 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:28,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388035671] [2019-10-13 20:32:28,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 20:32:28,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388035671] [2019-10-13 20:32:28,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:28,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:28,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84227304] [2019-10-13 20:32:28,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:28,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:28,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:28,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:28,712 INFO L87 Difference]: Start difference. First operand 7799 states and 10254 transitions. Second operand 6 states. [2019-10-13 20:32:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:30,611 INFO L93 Difference]: Finished difference Result 22657 states and 29910 transitions. [2019-10-13 20:32:30,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:32:30,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2019-10-13 20:32:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:30,678 INFO L225 Difference]: With dead ends: 22657 [2019-10-13 20:32:30,679 INFO L226 Difference]: Without dead ends: 14883 [2019-10-13 20:32:30,710 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:32:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2019-10-13 20:32:31,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 14851. [2019-10-13 20:32:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14851 states. [2019-10-13 20:32:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14851 states to 14851 states and 19501 transitions. [2019-10-13 20:32:31,512 INFO L78 Accepts]: Start accepts. Automaton has 14851 states and 19501 transitions. Word has length 173 [2019-10-13 20:32:31,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:31,513 INFO L462 AbstractCegarLoop]: Abstraction has 14851 states and 19501 transitions. [2019-10-13 20:32:31,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 14851 states and 19501 transitions. [2019-10-13 20:32:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 20:32:31,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:31,531 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:31,532 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:31,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:31,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1972595355, now seen corresponding path program 1 times [2019-10-13 20:32:31,533 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:31,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804504676] [2019-10-13 20:32:31,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:31,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:31,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 20:32:31,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804504676] [2019-10-13 20:32:31,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:31,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:31,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287103384] [2019-10-13 20:32:31,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:31,772 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:31,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:31,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:31,773 INFO L87 Difference]: Start difference. First operand 14851 states and 19501 transitions. Second operand 6 states. [2019-10-13 20:32:34,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:34,763 INFO L93 Difference]: Finished difference Result 43851 states and 57762 transitions. [2019-10-13 20:32:34,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:32:34,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-13 20:32:34,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:34,904 INFO L225 Difference]: With dead ends: 43851 [2019-10-13 20:32:34,904 INFO L226 Difference]: Without dead ends: 29025 [2019-10-13 20:32:34,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:32:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29025 states. [2019-10-13 20:32:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29025 to 28961. [2019-10-13 20:32:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28961 states. [2019-10-13 20:32:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28961 states to 28961 states and 37978 transitions. [2019-10-13 20:32:36,275 INFO L78 Accepts]: Start accepts. Automaton has 28961 states and 37978 transitions. Word has length 175 [2019-10-13 20:32:36,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:36,276 INFO L462 AbstractCegarLoop]: Abstraction has 28961 states and 37978 transitions. [2019-10-13 20:32:36,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 28961 states and 37978 transitions. [2019-10-13 20:32:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 20:32:36,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:36,291 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 20:32:36,291 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1362816435, now seen corresponding path program 1 times [2019-10-13 20:32:36,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:36,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817046741] [2019-10-13 20:32:36,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 20:32:36,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817046741] [2019-10-13 20:32:36,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:36,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:32:36,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582422851] [2019-10-13 20:32:36,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:32:36,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:36,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:32:36,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:32:36,505 INFO L87 Difference]: Start difference. First operand 28961 states and 37978 transitions. Second operand 7 states.