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 0.1.24-13a467a-m [2019-10-15 00:31:08,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:31:08,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:31:08,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:31:08,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:31:08,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:31:08,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:31:08,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:31:08,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:31:08,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:31:08,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:31:08,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:31:08,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:31:08,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:31:08,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:31:08,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:31:08,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:31:08,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:31:08,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:31:08,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:31:08,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:31:08,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:31:08,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:31:08,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:31:08,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:31:08,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:31:08,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:31:08,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:31:08,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:31:08,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:31:08,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:31:08,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:31:08,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:31:08,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:31:08,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:31:08,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:31:08,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:31:08,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:31:08,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:31:08,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:31:08,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:31:08,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:31:08,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:31:08,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:31:08,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:31:08,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:31:08,202 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:31:08,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:31:08,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:31:08,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:31:08,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:31:08,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:31:08,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:31:08,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:31:08,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:31:08,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:31:08,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:31:08,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:31:08,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:31:08,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:31:08,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:31:08,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:31:08,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:31:08,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:31:08,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:31:08,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:31:08,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:31:08,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:31:08,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:31:08,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:31:08,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:31:08,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:31:08,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:31:08,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:31:08,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:31:08,494 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:31:08,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-15 00:31:08,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32276be02/05bc5150822d4adb8f1b61db8dcd6a91/FLAGd9e98e8a5 [2019-10-15 00:31:09,356 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:31:09,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-15 00:31:09,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32276be02/05bc5150822d4adb8f1b61db8dcd6a91/FLAGd9e98e8a5 [2019-10-15 00:31:09,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32276be02/05bc5150822d4adb8f1b61db8dcd6a91 [2019-10-15 00:31:09,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:31:09,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:31:09,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:09,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:31:09,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:31:09,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:09" (1/1) ... [2019-10-15 00:31:09,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68959ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:09, skipping insertion in model container [2019-10-15 00:31:09,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:09" (1/1) ... [2019-10-15 00:31:09,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:31:09,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:31:11,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:11,593 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:31:12,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:12,319 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:31:12,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12 WrapperNode [2019-10-15 00:31:12,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:12,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:31:12,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:31:12,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:31:12,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... [2019-10-15 00:31:12,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:31:12,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:31:12,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:31:12,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:31:12,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:31:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:31:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:31:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 00:31:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:31:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:31:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:31:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:31:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:31:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:31:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:31:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:31:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:31:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:31:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:31:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:31:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 00:31:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-10-15 00:31:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2019-10-15 00:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2019-10-15 00:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2019-10-15 00:31:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:31:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 00:31:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2019-10-15 00:31:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:31:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 00:31:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:31:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-15 00:31:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-15 00:31:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-15 00:31:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 00:31:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-15 00:31:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:31:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:31:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:31:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:31:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:31:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:31:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:31:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:31:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:31:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 00:31:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 00:31:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 00:31:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 00:31:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-15 00:31:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 00:31:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 00:31:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 00:31:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:31:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:31:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:31:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:31:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:31:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:31:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:31:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 00:31:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 00:31:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 00:31:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-15 00:31:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-15 00:31:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-10-15 00:31:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:31:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-15 00:31:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-15 00:31:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-15 00:31:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-15 00:31:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2019-10-15 00:31:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-15 00:31:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2019-10-15 00:31:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2019-10-15 00:31:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2019-10-15 00:31:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2019-10-15 00:31:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2019-10-15 00:31:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2019-10-15 00:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2019-10-15 00:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 00:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:31:13,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:31:15,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:31:15,607 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 00:31:15,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:15 BoogieIcfgContainer [2019-10-15 00:31:15,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:31:15,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:31:15,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:31:15,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:31:15,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:31:09" (1/3) ... [2019-10-15 00:31:15,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e403a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:15, skipping insertion in model container [2019-10-15 00:31:15,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:12" (2/3) ... [2019-10-15 00:31:15,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e403a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:15, skipping insertion in model container [2019-10-15 00:31:15,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:15" (3/3) ... [2019-10-15 00:31:15,635 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 [2019-10-15 00:31:15,649 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:31:15,662 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:31:15,677 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:31:15,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:31:15,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:31:15,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:31:15,718 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:31:15,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:31:15,718 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:31:15,718 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:31:15,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:31:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2019-10-15 00:31:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 00:31:15,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:15,782 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] [2019-10-15 00:31:15,786 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:15,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1121687713, now seen corresponding path program 1 times [2019-10-15 00:31:15,804 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:15,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199235854] [2019-10-15 00:31:15,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:15,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:15,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:31:16,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199235854] [2019-10-15 00:31:16,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:16,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:16,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220110916] [2019-10-15 00:31:16,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:16,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:16,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:16,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:16,597 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 3 states. [2019-10-15 00:31:16,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:16,981 INFO L93 Difference]: Finished difference Result 1990 states and 2654 transitions. [2019-10-15 00:31:16,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:16,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 00:31:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:17,024 INFO L225 Difference]: With dead ends: 1990 [2019-10-15 00:31:17,024 INFO L226 Difference]: Without dead ends: 1297 [2019-10-15 00:31:17,038 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2019-10-15 00:31:17,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2019-10-15 00:31:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2019-10-15 00:31:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1692 transitions. [2019-10-15 00:31:17,227 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1692 transitions. Word has length 41 [2019-10-15 00:31:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:17,228 INFO L462 AbstractCegarLoop]: Abstraction has 1297 states and 1692 transitions. [2019-10-15 00:31:17,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1692 transitions. [2019-10-15 00:31:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 00:31:17,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:17,232 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] [2019-10-15 00:31:17,233 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1934004690, now seen corresponding path program 1 times [2019-10-15 00:31:17,234 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:17,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043197798] [2019-10-15 00:31:17,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:17,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:17,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:31:17,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043197798] [2019-10-15 00:31:17,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:17,384 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:31:17,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253841488] [2019-10-15 00:31:17,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:31:17,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:17,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:31:17,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:31:17,387 INFO L87 Difference]: Start difference. First operand 1297 states and 1692 transitions. Second operand 5 states. [2019-10-15 00:31:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:17,522 INFO L93 Difference]: Finished difference Result 2577 states and 3365 transitions. [2019-10-15 00:31:17,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:31:17,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-10-15 00:31:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:17,531 INFO L225 Difference]: With dead ends: 2577 [2019-10-15 00:31:17,531 INFO L226 Difference]: Without dead ends: 1296 [2019-10-15 00:31:17,537 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:31:17,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-10-15 00:31:17,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2019-10-15 00:31:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2019-10-15 00:31:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1688 transitions. [2019-10-15 00:31:17,605 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1688 transitions. Word has length 44 [2019-10-15 00:31:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:17,605 INFO L462 AbstractCegarLoop]: Abstraction has 1296 states and 1688 transitions. [2019-10-15 00:31:17,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:31:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1688 transitions. [2019-10-15 00:31:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 00:31:17,610 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:17,610 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] [2019-10-15 00:31:17,611 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:17,611 INFO L82 PathProgramCache]: Analyzing trace with hash -539260528, now seen corresponding path program 1 times [2019-10-15 00:31:17,611 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:17,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146499161] [2019-10-15 00:31:17,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:17,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:17,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 00:31:17,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146499161] [2019-10-15 00:31:17,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:17,871 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:17,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900360018] [2019-10-15 00:31:17,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:17,872 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:17,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:17,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:17,873 INFO L87 Difference]: Start difference. First operand 1296 states and 1688 transitions. Second operand 6 states. [2019-10-15 00:31:19,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:19,114 INFO L93 Difference]: Finished difference Result 2580 states and 3397 transitions. [2019-10-15 00:31:19,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:31:19,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-10-15 00:31:19,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:19,140 INFO L225 Difference]: With dead ends: 2580 [2019-10-15 00:31:19,145 INFO L226 Difference]: Without dead ends: 2564 [2019-10-15 00:31:19,147 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 00:31:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2019-10-15 00:31:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2019-10-15 00:31:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-10-15 00:31:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3381 transitions. [2019-10-15 00:31:19,287 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3381 transitions. Word has length 65 [2019-10-15 00:31:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:19,288 INFO L462 AbstractCegarLoop]: Abstraction has 2564 states and 3381 transitions. [2019-10-15 00:31:19,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:31:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3381 transitions. [2019-10-15 00:31:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 00:31:19,297 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:19,297 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] [2019-10-15 00:31:19,297 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash 186954161, now seen corresponding path program 1 times [2019-10-15 00:31:19,298 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:19,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450986098] [2019-10-15 00:31:19,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:19,299 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:19,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 00:31:19,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450986098] [2019-10-15 00:31:19,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:19,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:19,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069075870] [2019-10-15 00:31:19,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:19,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:19,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:19,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:19,466 INFO L87 Difference]: Start difference. First operand 2564 states and 3381 transitions. Second operand 3 states. [2019-10-15 00:31:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:19,818 INFO L93 Difference]: Finished difference Result 6629 states and 8758 transitions. [2019-10-15 00:31:19,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:19,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-15 00:31:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:19,844 INFO L225 Difference]: With dead ends: 6629 [2019-10-15 00:31:19,845 INFO L226 Difference]: Without dead ends: 4081 [2019-10-15 00:31:19,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2019-10-15 00:31:20,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 4051. [2019-10-15 00:31:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4051 states. [2019-10-15 00:31:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 5333 transitions. [2019-10-15 00:31:20,072 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 5333 transitions. Word has length 112 [2019-10-15 00:31:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:20,073 INFO L462 AbstractCegarLoop]: Abstraction has 4051 states and 5333 transitions. [2019-10-15 00:31:20,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 5333 transitions. [2019-10-15 00:31:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 00:31:20,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:20,084 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] [2019-10-15 00:31:20,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:20,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:20,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1243922125, now seen corresponding path program 2 times [2019-10-15 00:31:20,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:20,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018040535] [2019-10-15 00:31:20,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:20,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:20,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 00:31:20,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018040535] [2019-10-15 00:31:20,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:20,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:20,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252279596] [2019-10-15 00:31:20,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:20,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:20,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:20,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:20,284 INFO L87 Difference]: Start difference. First operand 4051 states and 5333 transitions. Second operand 3 states. [2019-10-15 00:31:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:20,479 INFO L93 Difference]: Finished difference Result 7543 states and 9915 transitions. [2019-10-15 00:31:20,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:20,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-15 00:31:20,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:20,501 INFO L225 Difference]: With dead ends: 7543 [2019-10-15 00:31:20,501 INFO L226 Difference]: Without dead ends: 3517 [2019-10-15 00:31:20,516 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2019-10-15 00:31:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3489. [2019-10-15 00:31:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3489 states. [2019-10-15 00:31:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4577 transitions. [2019-10-15 00:31:20,680 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4577 transitions. Word has length 112 [2019-10-15 00:31:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:20,681 INFO L462 AbstractCegarLoop]: Abstraction has 3489 states and 4577 transitions. [2019-10-15 00:31:20,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4577 transitions. [2019-10-15 00:31:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-15 00:31:20,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:20,692 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] [2019-10-15 00:31:20,692 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash 468006100, now seen corresponding path program 1 times [2019-10-15 00:31:20,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:20,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989520853] [2019-10-15 00:31:20,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:20,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:20,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-15 00:31:20,873 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989520853] [2019-10-15 00:31:20,874 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:20,874 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:20,874 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282332993] [2019-10-15 00:31:20,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:20,876 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:20,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:20,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:20,883 INFO L87 Difference]: Start difference. First operand 3489 states and 4577 transitions. Second operand 3 states. [2019-10-15 00:31:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:21,207 INFO L93 Difference]: Finished difference Result 7023 states and 9226 transitions. [2019-10-15 00:31:21,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:21,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-10-15 00:31:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:21,236 INFO L225 Difference]: With dead ends: 7023 [2019-10-15 00:31:21,236 INFO L226 Difference]: Without dead ends: 4269 [2019-10-15 00:31:21,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2019-10-15 00:31:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4241. [2019-10-15 00:31:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4241 states. [2019-10-15 00:31:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 5560 transitions. [2019-10-15 00:31:21,550 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 5560 transitions. Word has length 129 [2019-10-15 00:31:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:21,550 INFO L462 AbstractCegarLoop]: Abstraction has 4241 states and 5560 transitions. [2019-10-15 00:31:21,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 5560 transitions. [2019-10-15 00:31:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 00:31:21,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:21,565 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] [2019-10-15 00:31:21,566 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:21,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:21,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1972595355, now seen corresponding path program 1 times [2019-10-15 00:31:21,566 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:21,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537591613] [2019-10-15 00:31:21,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:21,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:21,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 00:31:21,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537591613] [2019-10-15 00:31:21,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:21,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:21,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756976209] [2019-10-15 00:31:21,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:21,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:21,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:21,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:21,867 INFO L87 Difference]: Start difference. First operand 4241 states and 5560 transitions. Second operand 6 states. [2019-10-15 00:31:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:23,746 INFO L93 Difference]: Finished difference Result 12033 states and 15885 transitions. [2019-10-15 00:31:23,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 00:31:23,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-15 00:31:23,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:23,857 INFO L225 Difference]: With dead ends: 12033 [2019-10-15 00:31:23,857 INFO L226 Difference]: Without dead ends: 7817 [2019-10-15 00:31:23,878 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 [2019-10-15 00:31:23,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7817 states. [2019-10-15 00:31:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7817 to 7801. [2019-10-15 00:31:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7801 states. [2019-10-15 00:31:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7801 states to 7801 states and 10258 transitions. [2019-10-15 00:31:24,262 INFO L78 Accepts]: Start accepts. Automaton has 7801 states and 10258 transitions. Word has length 175 [2019-10-15 00:31:24,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:24,265 INFO L462 AbstractCegarLoop]: Abstraction has 7801 states and 10258 transitions. [2019-10-15 00:31:24,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:31:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 7801 states and 10258 transitions. [2019-10-15 00:31:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 00:31:24,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:24,280 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] [2019-10-15 00:31:24,280 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:24,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:24,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1626968450, now seen corresponding path program 1 times [2019-10-15 00:31:24,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:24,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637583863] [2019-10-15 00:31:24,281 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:24,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:24,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 00:31:24,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637583863] [2019-10-15 00:31:24,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:24,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:24,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303975857] [2019-10-15 00:31:24,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:24,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:24,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:24,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:24,524 INFO L87 Difference]: Start difference. First operand 7801 states and 10258 transitions. Second operand 6 states. [2019-10-15 00:31:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:26,428 INFO L93 Difference]: Finished difference Result 22661 states and 29924 transitions. [2019-10-15 00:31:26,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 00:31:26,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2019-10-15 00:31:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:26,494 INFO L225 Difference]: With dead ends: 22661 [2019-10-15 00:31:26,494 INFO L226 Difference]: Without dead ends: 14885 [2019-10-15 00:31:26,526 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 [2019-10-15 00:31:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. [2019-10-15 00:31:27,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 14853. [2019-10-15 00:31:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14853 states. [2019-10-15 00:31:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14853 states to 14853 states and 19505 transitions. [2019-10-15 00:31:27,192 INFO L78 Accepts]: Start accepts. Automaton has 14853 states and 19505 transitions. Word has length 173 [2019-10-15 00:31:27,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:27,193 INFO L462 AbstractCegarLoop]: Abstraction has 14853 states and 19505 transitions. [2019-10-15 00:31:27,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:31:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 14853 states and 19505 transitions. [2019-10-15 00:31:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 00:31:27,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:27,209 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] [2019-10-15 00:31:27,210 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1362816435, now seen corresponding path program 1 times [2019-10-15 00:31:27,210 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:27,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851123550] [2019-10-15 00:31:27,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:27,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:27,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 00:31:28,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851123550] [2019-10-15 00:31:28,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:28,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:31:28,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312985022] [2019-10-15 00:31:28,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:31:28,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:31:28,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:31:28,277 INFO L87 Difference]: Start difference. First operand 14853 states and 19505 transitions. Second operand 7 states. [2019-10-15 00:31:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:34,440 INFO L93 Difference]: Finished difference Result 45457 states and 59869 transitions. [2019-10-15 00:31:34,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 00:31:34,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2019-10-15 00:31:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:34,585 INFO L225 Difference]: With dead ends: 45457 [2019-10-15 00:31:34,586 INFO L226 Difference]: Without dead ends: 30629 [2019-10-15 00:31:34,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-10-15 00:31:34,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30629 states. [2019-10-15 00:31:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30629 to 30183. [2019-10-15 00:31:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30183 states. [2019-10-15 00:31:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30183 states to 30183 states and 39593 transitions. [2019-10-15 00:31:35,906 INFO L78 Accepts]: Start accepts. Automaton has 30183 states and 39593 transitions. Word has length 172 [2019-10-15 00:31:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:35,907 INFO L462 AbstractCegarLoop]: Abstraction has 30183 states and 39593 transitions. [2019-10-15 00:31:35,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:31:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30183 states and 39593 transitions. [2019-10-15 00:31:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 00:31:35,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:35,929 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] [2019-10-15 00:31:35,929 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:35,930 INFO L82 PathProgramCache]: Analyzing trace with hash -847576212, now seen corresponding path program 1 times [2019-10-15 00:31:35,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:35,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006218959] [2019-10-15 00:31:35,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:35,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:35,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 00:31:36,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006218959] [2019-10-15 00:31:36,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:36,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:36,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635353620] [2019-10-15 00:31:36,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:36,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:36,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:36,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:36,098 INFO L87 Difference]: Start difference. First operand 30183 states and 39593 transitions. Second operand 6 states. [2019-10-15 00:31:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:39,454 INFO L93 Difference]: Finished difference Result 88583 states and 116533 transitions. [2019-10-15 00:31:39,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 00:31:39,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-10-15 00:31:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:39,654 INFO L225 Difference]: With dead ends: 88583 [2019-10-15 00:31:39,654 INFO L226 Difference]: Without dead ends: 56121 [2019-10-15 00:31:39,728 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 [2019-10-15 00:31:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56121 states.