java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 03:01:36,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 03:01:36,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 03:01:36,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 03:01:36,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 03:01:36,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 03:01:36,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 03:01:36,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 03:01:36,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 03:01:36,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 03:01:36,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 03:01:36,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 03:01:36,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 03:01:36,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 03:01:36,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 03:01:36,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 03:01:36,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 03:01:36,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 03:01:36,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 03:01:36,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 03:01:36,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 03:01:36,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 03:01:36,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 03:01:36,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 03:01:36,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-09 03:01:36,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-09 03:01:36,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-09 03:01:36,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-09 03:01:36,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-09 03:01:36,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-09 03:01:36,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 03:01:36,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 03:01:36,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 03:01:36,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 03:01:36,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 03:01:36,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 03:01:36,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 03:01:36,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 03:01:36,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 03:01:36,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 03:01:36,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 03:01:36,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-09 03:01:36,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 03:01:36,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 03:01:36,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-09 03:01:36,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-09 03:01:36,830 INFO L138 SettingsManager]: * Use SBE=true [2019-09-09 03:01:36,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 03:01:36,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 03:01:36,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-09 03:01:36,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 03:01:36,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 03:01:36,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 03:01:36,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 03:01:36,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 03:01:36,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 03:01:36,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 03:01:36,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-09 03:01:36,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 03:01:36,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 03:01:36,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 03:01:36,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-09 03:01:36,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-09 03:01:36,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 03:01:36,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 03:01:36,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 03:01:36,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-09 03:01:36,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-09 03:01:36,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 03:01:36,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 03:01:36,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-09 03:01:36,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 03:01:36,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 03:01:36,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 03:01:36,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 03:01:36,914 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 03:01:36,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2019-09-09 03:01:36,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed8a80b6d/329c39d2fb6a449bb405096fdf01361f/FLAGeb45c115b [2019-09-09 03:01:37,889 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 03:01:37,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2019-09-09 03:01:37,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed8a80b6d/329c39d2fb6a449bb405096fdf01361f/FLAGeb45c115b [2019-09-09 03:01:38,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed8a80b6d/329c39d2fb6a449bb405096fdf01361f [2019-09-09 03:01:38,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 03:01:38,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 03:01:38,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 03:01:38,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 03:01:38,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 03:01:38,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 03:01:38" (1/1) ... [2019-09-09 03:01:38,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:38, skipping insertion in model container [2019-09-09 03:01:38,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 03:01:38" (1/1) ... [2019-09-09 03:01:38,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 03:01:38,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 03:01:41,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 03:01:41,617 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 03:01:42,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 03:01:43,240 INFO L192 MainTranslator]: Completed translation [2019-09-09 03:01:43,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43 WrapperNode [2019-09-09 03:01:43,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 03:01:43,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 03:01:43,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 03:01:43,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 03:01:43,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... [2019-09-09 03:01:43,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 03:01:43,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 03:01:43,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 03:01:43,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 03:01:43,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 03:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 03:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 03:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-09 03:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-09 03:01:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-09-09 03:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-09 03:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-09 03:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-09 03:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-09 03:01:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-09 03:01:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-09 03:01:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-09 03:01:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-09 03:01:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-09 03:01:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-09 03:01:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-09 03:01:43,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_CAST [2019-09-09 03:01:43,751 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-09 03:01:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-09 03:01:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-09 03:01:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-09 03:01:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-09 03:01:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-09-09 03:01:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-09-09 03:01:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-09 03:01:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-09 03:01:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_get_select [2019-09-09 03:01:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_get_select_default [2019-09-09 03:01:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2019-09-09 03:01:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2019-09-09 03:01:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-09 03:01:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2019-09-09 03:01:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-09 03:01:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-09 03:01:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data_offset [2019-09-09 03:01:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_reschedule [2019-09-09 03:01:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-09-09 03:01:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-09-09 03:01:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-09 03:01:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-09 03:01:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-09 03:01:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-09 03:01:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-09 03:01:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-09 03:01:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-09 03:01:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-09 03:01:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-09-09 03:01:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-09-09 03:01:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-09 03:01:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-09 03:01:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2019-09-09 03:01:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2019-09-09 03:01:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-09 03:01:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-09 03:01:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-09 03:01:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-09-09 03:01:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure of_mdiobus_register [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2019-09-09 03:01:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2019-09-09 03:01:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2019-09-09 03:01:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2019-09-09 03:01:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2019-09-09 03:01:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2019-09-09 03:01:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_desc [2019-09-09 03:01:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_buffer [2019-09-09 03:01:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdio_read [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdio_write [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdio_reset [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_tx_clk [2019-09-09 03:01:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2019-09-09 03:01:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_probe [2019-09-09 03:01:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2019-09-09 03:01:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_update_stats [2019-09-09 03:01:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_halt_tx [2019-09-09 03:01:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_error_task [2019-09-09 03:01:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_interrupt [2019-09-09 03:01:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2019-09-09 03:01:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_partial_frame [2019-09-09 03:01:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx [2019-09-09 03:01:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_frame [2019-09-09 03:01:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx [2019-09-09 03:01:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_poll [2019-09-09 03:01:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2019-09-09 03:01:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_poll_controller [2019-09-09 03:01:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_start_xmit [2019-09-09 03:01:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_init_rx_buffer_size [2019-09-09 03:01:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_free_rx_buffers [2019-09-09 03:01:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_rx_buffers [2019-09-09 03:01:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2019-09-09 03:01:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_alloc_rx_buffers [2019-09-09 03:01:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_rx_buffers [2019-09-09 03:01:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2019-09-09 03:01:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_init_rings [2019-09-09 03:01:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_init_rings [2019-09-09 03:01:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_mdc_clk_div [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_configure_dma [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_configure_caps [2019-09-09 03:01:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_init_hw [2019-09-09 03:01:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_bit_value [2019-09-09 03:01:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_get_index [2019-09-09 03:01:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_sethashtable [2019-09-09 03:01:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2019-09-09 03:01:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2019-09-09 03:01:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2019-09-09 03:01:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_update_stats [2019-09-09 03:01:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_stats [2019-09-09 03:01:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2019-09-09 03:01:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_settings [2019-09-09 03:01:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_settings [2019-09-09 03:01:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2019-09-09 03:01:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_driver_init [2019-09-09 03:01:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_driver_exit [2019-09-09 03:01:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_macb_driver_exit_11_2 [2019-09-09 03:01:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_macb_driver_init_11_7 [2019-09-09 03:01:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-09 03:01:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2019-09-09 03:01:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2019-09-09 03:01:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_deregister_3_5 [2019-09-09 03:01:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_register_3_6 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_10 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_11 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-09-09 03:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_20 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_21 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-09-09 03:01:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_8 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-09-09 03:01:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_iio_triggered_buffer_instance_0 [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_instance_handler_0_5 [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_instance_thread_0_3 [2019-09-09 03:01:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2019-09-09 03:01:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2019-09-09 03:01:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2019-09-09 03:01:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_2 [2019-09-09 03:01:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_probe [2019-09-09 03:01:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister [2019-09-09 03:01:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_probe_3_14 [2019-09-09 03:01:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_release_3_3 [2019-09-09 03:01:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_platform_instance_3 [2019-09-09 03:01:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_pm_ops_instance_4 [2019-09-09 03:01:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_complete_4_3 [2019-09-09 03:01:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_4_15 [2019-09-09 03:01:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_late_4_14 [2019-09-09 03:01:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_noirq_4_12 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_4_9 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_late_4_8 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_noirq_4_6 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_prepare_4_22 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_4_4 [2019-09-09 03:01:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_early_4_7 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_noirq_4_5 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_4_16 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_early_4_17 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_noirq_4_19 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_idle_4_27 [2019-09-09 03:01:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_resume_4_24 [2019-09-09 03:01:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_suspend_4_25 [2019-09-09 03:01:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_4_21 [2019-09-09 03:01:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_late_4_18 [2019-09-09 03:01:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_noirq_4_20 [2019-09-09 03:01:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_4_10 [2019-09-09 03:01:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_early_4_13 [2019-09-09 03:01:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_noirq_4_11 [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_10_2 [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-09 03:01:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_8 [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_9 [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_12 [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_13 [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2019-09-09 03:01:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_18 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2019-09-09 03:01:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_22 [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_23 [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_27 [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_probe_34 [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_35 [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-09 03:01:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-09 03:01:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-09 03:01:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-09 03:01:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-09 03:01:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-09 03:01:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-09 03:01:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-09 03:01:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-09 03:01:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-09 03:01:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-09 03:01:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-09 03:01:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-09 03:01:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-09 03:01:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-09 03:01:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_clk [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_clk [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_hclk_of_macb [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_hclk_of_macb [2019-09-09 03:01:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_pclk_of_macb [2019-09-09 03:01:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_pclk_of_macb [2019-09-09 03:01:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_tx_clk_of_macb [2019-09-09 03:01:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_tx_clk_of_macb [2019-09-09 03:01:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-09 03:01:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2019-09-09 03:01:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-09 03:01:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-09 03:01:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-09 03:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-09 03:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_round_rate [2019-09-09 03:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_set_rate [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-09 03:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_get [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-09 03:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-09 03:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-09 03:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-09 03:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-09-09 03:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-09 03:01:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-09 03:01:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc_size [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2019-09-09 03:01:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_register [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_scan [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-09 03:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect_direct [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2019-09-09 03:01:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_gset [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_sset [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_mii_ioctl [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pinctrl_lookup_state [2019-09-09 03:01:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pinctrl_select_state [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-09-09 03:01:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-09 03:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-09 03:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-09 03:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-09 03:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-09 03:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-09 03:01:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-09 03:01:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-09 03:01:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_hclk_of_macb [2019-09-09 03:01:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_hclk_of_macb [2019-09-09 03:01:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_pclk_of_macb [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_pclk_of_macb [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_tx_clk_of_macb [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_tx_clk_of_macb [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-09 03:01:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-09 03:01:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-09 03:01:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_CAST [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-09 03:01:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-09-09 03:01:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-09 03:01:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure pinctrl_lookup_state [2019-09-09 03:01:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure pinctrl_select_state [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_get [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_get_select [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_get_select_default [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-09 03:01:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_8 [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_9 [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_12 [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-09 03:01:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-09 03:01:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-09 03:01:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-09 03:01:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-09 03:01:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data_offset [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-09-09 03:01:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-09 03:01:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-09-09 03:01:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-09-09 03:01:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-09-09 03:01:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-09-09 03:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure napi_reschedule [2019-09-09 03:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-09-09 03:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-09-09 03:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-09-09 03:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_22 [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_27 [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-09 03:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-09-09 03:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-09 03:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_18 [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_23 [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-09 03:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_35 [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_probe_34 [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-09 03:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure clk_round_rate [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure clk_set_rate [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2019-09-09 03:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2019-09-09 03:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_13 [2019-09-09 03:01:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc_size [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_register [2019-09-09 03:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_scan [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect_direct [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2019-09-09 03:01:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_sset [2019-09-09 03:01:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_gset [2019-09-09 03:01:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure phy_mii_ioctl [2019-09-09 03:01:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure of_mdiobus_register [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2019-09-09 03:01:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_desc [2019-09-09 03:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_buffer [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdio_read [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdio_write [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdio_reset [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_tx_clk [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_probe [2019-09-09 03:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure macb_update_stats [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_halt_tx [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_error_task [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_interrupt [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure discard_partial_frame [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_frame [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx [2019-09-09 03:01:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure macb_poll [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_poll_controller [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_start_xmit [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_init_rx_buffer_size [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure gem_free_rx_buffers [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_rx_buffers [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2019-09-09 03:01:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure gem_alloc_rx_buffers [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_rx_buffers [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure gem_init_rings [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_init_rings [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure gem_mdc_clk_div [2019-09-09 03:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_configure_dma [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_configure_caps [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_init_hw [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure hash_bit_value [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure hash_get_index [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_sethashtable [2019-09-09 03:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure gem_update_stats [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_stats [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_settings [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_settings [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2019-09-09 03:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure macb_driver_init [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure macb_driver_exit [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_macb_driver_exit_11_2 [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_macb_driver_init_11_7 [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2019-09-09 03:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_deregister_3_5 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_register_3_6 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_10 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_11 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-09-09 03:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_20 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_21 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-09-09 03:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_8 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_iio_triggered_buffer_instance_0 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_instance_handler_0_5 [2019-09-09 03:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_instance_thread_0_3 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_2 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_probe [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_probe_3_14 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_release_3_3 [2019-09-09 03:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_platform_instance_3 [2019-09-09 03:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_pm_ops_instance_4 [2019-09-09 03:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_complete_4_3 [2019-09-09 03:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_4_15 [2019-09-09 03:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_late_4_14 [2019-09-09 03:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_noirq_4_12 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_4_9 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_late_4_8 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_noirq_4_6 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_prepare_4_22 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_4_4 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_early_4_7 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_noirq_4_5 [2019-09-09 03:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_4_16 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_early_4_17 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_noirq_4_19 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_idle_4_27 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_resume_4_24 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_suspend_4_25 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_4_21 [2019-09-09 03:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_late_4_18 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_noirq_4_20 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_4_10 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_early_4_13 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_noirq_4_11 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-09 03:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_10_2 [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-09 03:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-09 03:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-09 03:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-09 03:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_clk [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_clk [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-09 03:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-09 03:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-09 03:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-09 03:01:53,066 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-09 03:02:05,140 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 03:02:05,141 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-09 03:02:05,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 03:02:05 BoogieIcfgContainer [2019-09-09 03:02:05,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 03:02:05,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 03:02:05,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 03:02:05,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 03:02:05,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 03:01:38" (1/3) ... [2019-09-09 03:02:05,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e44ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 03:02:05, skipping insertion in model container [2019-09-09 03:02:05,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 03:01:43" (2/3) ... [2019-09-09 03:02:05,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e44ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 03:02:05, skipping insertion in model container [2019-09-09 03:02:05,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 03:02:05" (3/3) ... [2019-09-09 03:02:05,153 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2019-09-09 03:02:05,164 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 03:02:05,183 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 03:02:05,200 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 03:02:05,252 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-09 03:02:05,252 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 03:02:05,253 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-09 03:02:05,253 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 03:02:05,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 03:02:05,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 03:02:05,253 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 03:02:05,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 03:02:05,253 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 03:02:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states. [2019-09-09 03:02:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-09 03:02:05,348 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:02:05,349 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-09-09 03:02:05,352 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:02:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:02:05,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1836435512, now seen corresponding path program 1 times [2019-09-09 03:02:05,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:02:05,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:02:05,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:02:05,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:02:05,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:02:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:02:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-09 03:02:06,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:02:06,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:02:06,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:02:06,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:02:06,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:02:06,427 INFO L87 Difference]: Start difference. First operand 3010 states. Second operand 5 states. [2019-09-09 03:02:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:02:06,819 INFO L93 Difference]: Finished difference Result 5346 states and 6807 transitions. [2019-09-09 03:02:06,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 03:02:06,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2019-09-09 03:02:06,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:02:06,872 INFO L225 Difference]: With dead ends: 5346 [2019-09-09 03:02:06,873 INFO L226 Difference]: Without dead ends: 2685 [2019-09-09 03:02:06,891 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:02:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2019-09-09 03:02:07,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2685. [2019-09-09 03:02:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2685 states. [2019-09-09 03:02:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3358 transitions. [2019-09-09 03:02:07,190 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3358 transitions. Word has length 79 [2019-09-09 03:02:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:02:07,191 INFO L475 AbstractCegarLoop]: Abstraction has 2685 states and 3358 transitions. [2019-09-09 03:02:07,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:02:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3358 transitions. [2019-09-09 03:02:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-09 03:02:07,211 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:02:07,211 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-09-09 03:02:07,215 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:02:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:02:07,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1932291548, now seen corresponding path program 1 times [2019-09-09 03:02:07,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:02:07,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:02:07,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:02:07,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:02:07,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:02:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:02:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-09 03:02:07,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:02:07,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 03:02:07,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 03:02:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 03:02:07,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 03:02:07,559 INFO L87 Difference]: Start difference. First operand 2685 states and 3358 transitions. Second operand 6 states. [2019-09-09 03:03:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:03:12,212 INFO L93 Difference]: Finished difference Result 5770 states and 7387 transitions. [2019-09-09 03:03:12,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 03:03:12,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-09 03:03:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:03:12,247 INFO L225 Difference]: With dead ends: 5770 [2019-09-09 03:03:12,247 INFO L226 Difference]: Without dead ends: 5768 [2019-09-09 03:03:12,250 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:03:12,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2019-09-09 03:03:12,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5715. [2019-09-09 03:03:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5715 states. [2019-09-09 03:03:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 7300 transitions. [2019-09-09 03:03:12,517 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 7300 transitions. Word has length 84 [2019-09-09 03:03:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:03:12,518 INFO L475 AbstractCegarLoop]: Abstraction has 5715 states and 7300 transitions. [2019-09-09 03:03:12,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 03:03:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 7300 transitions. [2019-09-09 03:03:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-09 03:03:12,522 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:03:12,522 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-09 03:03:12,522 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:03:12,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:03:12,523 INFO L82 PathProgramCache]: Analyzing trace with hash 276837240, now seen corresponding path program 1 times [2019-09-09 03:03:12,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:03:12,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:03:12,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:03:12,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:03:12,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:03:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:03:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-09-09 03:03:12,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:03:12,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 03:03:12,862 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 03:03:12,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 03:03:12,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 03:03:12,863 INFO L87 Difference]: Start difference. First operand 5715 states and 7300 transitions. Second operand 6 states. [2019-09-09 03:04:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:04:05,039 INFO L93 Difference]: Finished difference Result 12682 states and 17053 transitions. [2019-09-09 03:04:05,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 03:04:05,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-09 03:04:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:04:05,129 INFO L225 Difference]: With dead ends: 12682 [2019-09-09 03:04:05,129 INFO L226 Difference]: Without dead ends: 12678 [2019-09-09 03:04:05,145 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:04:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12678 states. [2019-09-09 03:04:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12678 to 12564. [2019-09-09 03:04:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12564 states. [2019-09-09 03:04:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12564 states to 12564 states and 16846 transitions. [2019-09-09 03:04:05,853 INFO L78 Accepts]: Start accepts. Automaton has 12564 states and 16846 transitions. Word has length 89 [2019-09-09 03:04:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:04:05,854 INFO L475 AbstractCegarLoop]: Abstraction has 12564 states and 16846 transitions. [2019-09-09 03:04:05,854 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 03:04:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand 12564 states and 16846 transitions. [2019-09-09 03:04:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-09 03:04:05,861 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:04:05,861 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2019-09-09 03:04:05,861 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:04:05,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:04:05,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1141136996, now seen corresponding path program 1 times [2019-09-09 03:04:05,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:04:05,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:04:05,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:04:05,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:04:05,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:04:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:04:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-09 03:04:06,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:04:06,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 03:04:06,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 03:04:06,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 03:04:06,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 03:04:06,147 INFO L87 Difference]: Start difference. First operand 12564 states and 16846 transitions. Second operand 6 states. [2019-09-09 03:05:05,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:05,892 INFO L93 Difference]: Finished difference Result 29667 states and 45580 transitions. [2019-09-09 03:05:05,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 03:05:05,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-09-09 03:05:05,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:06,085 INFO L225 Difference]: With dead ends: 29667 [2019-09-09 03:05:06,085 INFO L226 Difference]: Without dead ends: 29563 [2019-09-09 03:05:06,114 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:05:06,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29563 states. [2019-09-09 03:05:07,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29563 to 29444. [2019-09-09 03:05:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29444 states. [2019-09-09 03:05:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29444 states to 29444 states and 45188 transitions. [2019-09-09 03:05:07,825 INFO L78 Accepts]: Start accepts. Automaton has 29444 states and 45188 transitions. Word has length 94 [2019-09-09 03:05:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:07,825 INFO L475 AbstractCegarLoop]: Abstraction has 29444 states and 45188 transitions. [2019-09-09 03:05:07,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 03:05:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29444 states and 45188 transitions. [2019-09-09 03:05:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2019-09-09 03:05:07,962 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:07,964 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:07,964 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:07,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1488458846, now seen corresponding path program 1 times [2019-09-09 03:05:07,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:07,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:07,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:07,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:07,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-09-09 03:05:09,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:05:09,495 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:05:09,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:10,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-09 03:05:10,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:05:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-09 03:05:10,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:05:10,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [11] total 23 [2019-09-09 03:05:10,906 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-09 03:05:10,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-09 03:05:10,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2019-09-09 03:05:10,907 INFO L87 Difference]: Start difference. First operand 29444 states and 45188 transitions. Second operand 23 states. [2019-09-09 03:05:16,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:16,082 INFO L93 Difference]: Finished difference Result 59695 states and 92086 transitions. [2019-09-09 03:05:16,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-09-09 03:05:16,083 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 393 [2019-09-09 03:05:16,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:16,314 INFO L225 Difference]: With dead ends: 59695 [2019-09-09 03:05:16,315 INFO L226 Difference]: Without dead ends: 29917 [2019-09-09 03:05:16,460 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2019-09-09 03:05:16,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29917 states. [2019-09-09 03:05:18,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29917 to 29800. [2019-09-09 03:05:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29800 states. [2019-09-09 03:05:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29800 states to 29800 states and 45741 transitions. [2019-09-09 03:05:18,427 INFO L78 Accepts]: Start accepts. Automaton has 29800 states and 45741 transitions. Word has length 393 [2019-09-09 03:05:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:18,428 INFO L475 AbstractCegarLoop]: Abstraction has 29800 states and 45741 transitions. [2019-09-09 03:05:18,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-09 03:05:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29800 states and 45741 transitions. [2019-09-09 03:05:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-09-09 03:05:18,457 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:18,458 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:18,458 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash -328888808, now seen corresponding path program 1 times [2019-09-09 03:05:18,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:18,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:18,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:18,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:18,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-09 03:05:19,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:19,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:05:19,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:05:19,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:05:19,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:05:19,266 INFO L87 Difference]: Start difference. First operand 29800 states and 45741 transitions. Second operand 8 states. [2019-09-09 03:05:20,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:20,440 INFO L93 Difference]: Finished difference Result 59610 states and 96507 transitions. [2019-09-09 03:05:20,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:05:20,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 398 [2019-09-09 03:05:20,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:20,631 INFO L225 Difference]: With dead ends: 59610 [2019-09-09 03:05:20,631 INFO L226 Difference]: Without dead ends: 29848 [2019-09-09 03:05:20,758 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:05:20,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29848 states. [2019-09-09 03:05:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29848 to 29792. [2019-09-09 03:05:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29792 states. [2019-09-09 03:05:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29792 states to 29792 states and 45725 transitions. [2019-09-09 03:05:24,395 INFO L78 Accepts]: Start accepts. Automaton has 29792 states and 45725 transitions. Word has length 398 [2019-09-09 03:05:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:24,399 INFO L475 AbstractCegarLoop]: Abstraction has 29792 states and 45725 transitions. [2019-09-09 03:05:24,399 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:05:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29792 states and 45725 transitions. [2019-09-09 03:05:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2019-09-09 03:05:24,452 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:24,452 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:24,452 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:24,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:24,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1905411062, now seen corresponding path program 1 times [2019-09-09 03:05:24,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:24,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:24,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:24,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:24,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2019-09-09 03:05:24,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:24,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:05:24,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:05:24,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:05:24,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:05:24,872 INFO L87 Difference]: Start difference. First operand 29792 states and 45725 transitions. Second operand 8 states. [2019-09-09 03:05:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:25,876 INFO L93 Difference]: Finished difference Result 59574 states and 95013 transitions. [2019-09-09 03:05:25,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:05:25,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 421 [2019-09-09 03:05:25,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:26,056 INFO L225 Difference]: With dead ends: 59574 [2019-09-09 03:05:26,056 INFO L226 Difference]: Without dead ends: 29820 [2019-09-09 03:05:26,181 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:05:26,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29820 states. [2019-09-09 03:05:27,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29820 to 29772. [2019-09-09 03:05:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29772 states. [2019-09-09 03:05:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29772 states to 29772 states and 45691 transitions. [2019-09-09 03:05:27,848 INFO L78 Accepts]: Start accepts. Automaton has 29772 states and 45691 transitions. Word has length 421 [2019-09-09 03:05:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:27,849 INFO L475 AbstractCegarLoop]: Abstraction has 29772 states and 45691 transitions. [2019-09-09 03:05:27,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:05:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 29772 states and 45691 transitions. [2019-09-09 03:05:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-09-09 03:05:27,928 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:27,928 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:27,929 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:27,929 INFO L82 PathProgramCache]: Analyzing trace with hash 517763196, now seen corresponding path program 1 times [2019-09-09 03:05:27,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:27,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:27,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:27,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-09-09 03:05:28,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:28,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:05:28,372 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:05:28,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:05:28,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:05:28,373 INFO L87 Difference]: Start difference. First operand 29772 states and 45691 transitions. Second operand 8 states. [2019-09-09 03:05:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:29,220 INFO L93 Difference]: Finished difference Result 57582 states and 96066 transitions. [2019-09-09 03:05:29,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:05:29,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 470 [2019-09-09 03:05:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:29,778 INFO L225 Difference]: With dead ends: 57582 [2019-09-09 03:05:29,778 INFO L226 Difference]: Without dead ends: 27848 [2019-09-09 03:05:29,842 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:05:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27848 states. [2019-09-09 03:05:30,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27848 to 27396. [2019-09-09 03:05:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27396 states. [2019-09-09 03:05:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27396 states to 27396 states and 41766 transitions. [2019-09-09 03:05:30,700 INFO L78 Accepts]: Start accepts. Automaton has 27396 states and 41766 transitions. Word has length 470 [2019-09-09 03:05:30,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:30,700 INFO L475 AbstractCegarLoop]: Abstraction has 27396 states and 41766 transitions. [2019-09-09 03:05:30,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:05:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 27396 states and 41766 transitions. [2019-09-09 03:05:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-09-09 03:05:30,752 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:30,752 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:30,752 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:30,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:30,753 INFO L82 PathProgramCache]: Analyzing trace with hash 304146110, now seen corresponding path program 1 times [2019-09-09 03:05:30,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:30,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:30,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:30,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:30,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-09-09 03:05:31,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:31,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:05:31,301 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:05:31,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:05:31,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:05:31,302 INFO L87 Difference]: Start difference. First operand 27396 states and 41766 transitions. Second operand 8 states. [2019-09-09 03:05:32,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:32,666 INFO L93 Difference]: Finished difference Result 53184 states and 87660 transitions. [2019-09-09 03:05:32,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:05:32,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 470 [2019-09-09 03:05:32,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:32,751 INFO L225 Difference]: With dead ends: 53184 [2019-09-09 03:05:32,751 INFO L226 Difference]: Without dead ends: 25826 [2019-09-09 03:05:32,817 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:05:32,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25826 states. [2019-09-09 03:05:33,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25826 to 25613. [2019-09-09 03:05:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25613 states. [2019-09-09 03:05:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25613 states to 25613 states and 39073 transitions. [2019-09-09 03:05:33,552 INFO L78 Accepts]: Start accepts. Automaton has 25613 states and 39073 transitions. Word has length 470 [2019-09-09 03:05:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:33,553 INFO L475 AbstractCegarLoop]: Abstraction has 25613 states and 39073 transitions. [2019-09-09 03:05:33,553 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:05:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 25613 states and 39073 transitions. [2019-09-09 03:05:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-09-09 03:05:33,592 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:33,593 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:33,593 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:33,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:33,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1652279680, now seen corresponding path program 1 times [2019-09-09 03:05:33,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:33,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:33,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:33,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:33,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-09-09 03:05:33,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:33,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:05:33,993 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:05:33,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:05:33,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:05:33,993 INFO L87 Difference]: Start difference. First operand 25613 states and 39073 transitions. Second operand 8 states. [2019-09-09 03:05:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:34,736 INFO L93 Difference]: Finished difference Result 51196 states and 79670 transitions. [2019-09-09 03:05:34,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:05:34,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 470 [2019-09-09 03:05:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:34,849 INFO L225 Difference]: With dead ends: 51196 [2019-09-09 03:05:34,849 INFO L226 Difference]: Without dead ends: 25621 [2019-09-09 03:05:35,352 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:05:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25621 states. [2019-09-09 03:05:35,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25621 to 25613. [2019-09-09 03:05:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25613 states. [2019-09-09 03:05:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25613 states to 25613 states and 39072 transitions. [2019-09-09 03:05:36,014 INFO L78 Accepts]: Start accepts. Automaton has 25613 states and 39072 transitions. Word has length 470 [2019-09-09 03:05:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:36,015 INFO L475 AbstractCegarLoop]: Abstraction has 25613 states and 39072 transitions. [2019-09-09 03:05:36,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:05:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 25613 states and 39072 transitions. [2019-09-09 03:05:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2019-09-09 03:05:36,059 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:36,060 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:36,061 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:36,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1063392567, now seen corresponding path program 1 times [2019-09-09 03:05:36,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:36,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:36,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:36,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:36,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2019-09-09 03:05:36,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:36,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-09 03:05:36,637 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:05:36,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:05:36,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:36,639 INFO L87 Difference]: Start difference. First operand 25613 states and 39072 transitions. Second operand 7 states. [2019-09-09 03:05:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:37,929 INFO L93 Difference]: Finished difference Result 51268 states and 83333 transitions. [2019-09-09 03:05:37,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:05:37,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 539 [2019-09-09 03:05:37,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:38,085 INFO L225 Difference]: With dead ends: 51268 [2019-09-09 03:05:38,085 INFO L226 Difference]: Without dead ends: 25693 [2019-09-09 03:05:38,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:38,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25693 states. [2019-09-09 03:05:39,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25693 to 25669. [2019-09-09 03:05:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25669 states. [2019-09-09 03:05:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25669 states to 25669 states and 39128 transitions. [2019-09-09 03:05:39,505 INFO L78 Accepts]: Start accepts. Automaton has 25669 states and 39128 transitions. Word has length 539 [2019-09-09 03:05:39,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:39,506 INFO L475 AbstractCegarLoop]: Abstraction has 25669 states and 39128 transitions. [2019-09-09 03:05:39,506 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:05:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 25669 states and 39128 transitions. [2019-09-09 03:05:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-09-09 03:05:39,549 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:39,549 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:39,549 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1836614970, now seen corresponding path program 1 times [2019-09-09 03:05:39,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:39,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:39,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:39,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:39,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2019-09-09 03:05:41,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:05:41,701 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:05:41,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:42,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 5098 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-09 03:05:42,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:05:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2019-09-09 03:05:43,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:05:43,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-09-09 03:05:43,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:05:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:05:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:43,313 INFO L87 Difference]: Start difference. First operand 25669 states and 39128 transitions. Second operand 7 states. [2019-09-09 03:05:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:44,007 INFO L93 Difference]: Finished difference Result 51300 states and 83387 transitions. [2019-09-09 03:05:44,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:05:44,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 563 [2019-09-09 03:05:44,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:44,107 INFO L225 Difference]: With dead ends: 51300 [2019-09-09 03:05:44,108 INFO L226 Difference]: Without dead ends: 25669 [2019-09-09 03:05:44,180 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25669 states. [2019-09-09 03:05:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25669 to 25669. [2019-09-09 03:05:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25669 states. [2019-09-09 03:05:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25669 states to 25669 states and 39120 transitions. [2019-09-09 03:05:44,889 INFO L78 Accepts]: Start accepts. Automaton has 25669 states and 39120 transitions. Word has length 563 [2019-09-09 03:05:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:44,889 INFO L475 AbstractCegarLoop]: Abstraction has 25669 states and 39120 transitions. [2019-09-09 03:05:44,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:05:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 25669 states and 39120 transitions. [2019-09-09 03:05:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2019-09-09 03:05:44,932 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:44,932 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:44,933 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:44,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1885472299, now seen corresponding path program 1 times [2019-09-09 03:05:44,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:44,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:44,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:44,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:44,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2019-09-09 03:05:46,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:05:46,934 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:05:46,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:48,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 5205 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-09 03:05:48,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:05:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-09-09 03:05:48,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:05:48,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-09-09 03:05:48,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:05:48,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:05:48,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:48,261 INFO L87 Difference]: Start difference. First operand 25669 states and 39120 transitions. Second operand 7 states. [2019-09-09 03:05:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:48,944 INFO L93 Difference]: Finished difference Result 51284 states and 81810 transitions. [2019-09-09 03:05:48,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:05:48,944 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 587 [2019-09-09 03:05:48,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:49,050 INFO L225 Difference]: With dead ends: 51284 [2019-09-09 03:05:49,050 INFO L226 Difference]: Without dead ends: 25653 [2019-09-09 03:05:49,120 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25653 states. [2019-09-09 03:05:51,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25653 to 25653. [2019-09-09 03:05:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25653 states. [2019-09-09 03:05:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25653 states to 25653 states and 39088 transitions. [2019-09-09 03:05:51,546 INFO L78 Accepts]: Start accepts. Automaton has 25653 states and 39088 transitions. Word has length 587 [2019-09-09 03:05:51,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:51,547 INFO L475 AbstractCegarLoop]: Abstraction has 25653 states and 39088 transitions. [2019-09-09 03:05:51,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:05:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 25653 states and 39088 transitions. [2019-09-09 03:05:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2019-09-09 03:05:51,591 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:51,591 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:51,592 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:51,592 INFO L82 PathProgramCache]: Analyzing trace with hash 237509971, now seen corresponding path program 1 times [2019-09-09 03:05:51,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:51,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:51,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:51,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:51,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2019-09-09 03:05:53,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:05:53,347 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:05:53,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:54,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 5291 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-09 03:05:54,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:05:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2019-09-09 03:05:54,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:05:54,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-09-09 03:05:54,907 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:05:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:05:54,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:54,908 INFO L87 Difference]: Start difference. First operand 25653 states and 39088 transitions. Second operand 7 states. [2019-09-09 03:05:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:55,811 INFO L93 Difference]: Finished difference Result 51252 states and 81746 transitions. [2019-09-09 03:05:55,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:05:55,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 608 [2019-09-09 03:05:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:55,915 INFO L225 Difference]: With dead ends: 51252 [2019-09-09 03:05:55,916 INFO L226 Difference]: Without dead ends: 25637 [2019-09-09 03:05:55,985 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25637 states. [2019-09-09 03:05:56,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25637 to 25637. [2019-09-09 03:05:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25637 states. [2019-09-09 03:05:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25637 states to 25637 states and 39056 transitions. [2019-09-09 03:05:56,690 INFO L78 Accepts]: Start accepts. Automaton has 25637 states and 39056 transitions. Word has length 608 [2019-09-09 03:05:56,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:56,690 INFO L475 AbstractCegarLoop]: Abstraction has 25637 states and 39056 transitions. [2019-09-09 03:05:56,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:05:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 25637 states and 39056 transitions. [2019-09-09 03:05:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2019-09-09 03:05:56,718 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:56,719 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:56,719 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:56,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:56,719 INFO L82 PathProgramCache]: Analyzing trace with hash -534319146, now seen corresponding path program 1 times [2019-09-09 03:05:56,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:56,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:56,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:56,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:56,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:05:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2019-09-09 03:05:58,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:05:58,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-09 03:05:58,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:05:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:05:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:58,042 INFO L87 Difference]: Start difference. First operand 25637 states and 39056 transitions. Second operand 7 states. [2019-09-09 03:05:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:05:58,621 INFO L93 Difference]: Finished difference Result 51185 states and 79945 transitions. [2019-09-09 03:05:58,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:05:58,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 546 [2019-09-09 03:05:58,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:05:58,718 INFO L225 Difference]: With dead ends: 51185 [2019-09-09 03:05:58,718 INFO L226 Difference]: Without dead ends: 25586 [2019-09-09 03:05:58,785 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:05:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25586 states. [2019-09-09 03:05:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25586 to 25555. [2019-09-09 03:05:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25555 states. [2019-09-09 03:05:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25555 states to 25555 states and 38913 transitions. [2019-09-09 03:05:59,495 INFO L78 Accepts]: Start accepts. Automaton has 25555 states and 38913 transitions. Word has length 546 [2019-09-09 03:05:59,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:05:59,497 INFO L475 AbstractCegarLoop]: Abstraction has 25555 states and 38913 transitions. [2019-09-09 03:05:59,497 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:05:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 25555 states and 38913 transitions. [2019-09-09 03:05:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2019-09-09 03:05:59,559 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:05:59,560 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 10, 10, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:05:59,560 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:05:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:05:59,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1684900745, now seen corresponding path program 1 times [2019-09-09 03:05:59,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:05:59,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:05:59,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:05:59,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:05:59,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2019-09-09 03:06:02,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:02,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-09 03:06:02,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:06:02,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:06:02,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:06:02,441 INFO L87 Difference]: Start difference. First operand 25555 states and 38913 transitions. Second operand 7 states. [2019-09-09 03:06:03,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:03,039 INFO L93 Difference]: Finished difference Result 51072 states and 82363 transitions. [2019-09-09 03:06:03,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:06:03,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 629 [2019-09-09 03:06:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:03,188 INFO L225 Difference]: With dead ends: 51072 [2019-09-09 03:06:03,188 INFO L226 Difference]: Without dead ends: 25555 [2019-09-09 03:06:03,272 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:06:03,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25555 states. [2019-09-09 03:06:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25555 to 25555. [2019-09-09 03:06:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25555 states. [2019-09-09 03:06:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25555 states to 25555 states and 38895 transitions. [2019-09-09 03:06:03,974 INFO L78 Accepts]: Start accepts. Automaton has 25555 states and 38895 transitions. Word has length 629 [2019-09-09 03:06:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:03,975 INFO L475 AbstractCegarLoop]: Abstraction has 25555 states and 38895 transitions. [2019-09-09 03:06:03,975 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:06:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 25555 states and 38895 transitions. [2019-09-09 03:06:04,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-09-09 03:06:04,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:04,043 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 10, 10, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:04,043 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:04,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:04,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1647827448, now seen corresponding path program 1 times [2019-09-09 03:06:04,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:04,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:04,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:04,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:04,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 29 proven. 22 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2019-09-09 03:06:05,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:06:05,645 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:06:05,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:06,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 5411 conjuncts, 50 conjunts are in the unsatisfiable core [2019-09-09 03:06:06,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:06:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-09-09 03:06:06,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:06:06,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [21] total 21 [2019-09-09 03:06:06,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-09 03:06:06,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-09 03:06:06,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2019-09-09 03:06:06,881 INFO L87 Difference]: Start difference. First operand 25555 states and 38895 transitions. Second operand 21 states. [2019-09-09 03:06:08,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:08,602 INFO L93 Difference]: Finished difference Result 51271 states and 78067 transitions. [2019-09-09 03:06:08,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-09 03:06:08,603 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 643 [2019-09-09 03:06:08,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:08,744 INFO L225 Difference]: With dead ends: 51271 [2019-09-09 03:06:08,744 INFO L226 Difference]: Without dead ends: 25746 [2019-09-09 03:06:08,804 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 645 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2019-09-09 03:06:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25746 states. [2019-09-09 03:06:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25746 to 25482. [2019-09-09 03:06:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25482 states. [2019-09-09 03:06:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25482 states to 25482 states and 38803 transitions. [2019-09-09 03:06:09,751 INFO L78 Accepts]: Start accepts. Automaton has 25482 states and 38803 transitions. Word has length 643 [2019-09-09 03:06:09,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:09,751 INFO L475 AbstractCegarLoop]: Abstraction has 25482 states and 38803 transitions. [2019-09-09 03:06:09,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-09 03:06:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 25482 states and 38803 transitions. [2019-09-09 03:06:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2019-09-09 03:06:09,763 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:09,764 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:09,764 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:09,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:09,765 INFO L82 PathProgramCache]: Analyzing trace with hash 721043145, now seen corresponding path program 1 times [2019-09-09 03:06:09,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:09,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:09,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:09,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:09,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2019-09-09 03:06:10,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:10,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 03:06:10,290 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 03:06:10,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 03:06:10,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:10,290 INFO L87 Difference]: Start difference. First operand 25482 states and 38803 transitions. Second operand 3 states. [2019-09-09 03:06:10,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:10,933 INFO L93 Difference]: Finished difference Result 50950 states and 84724 transitions. [2019-09-09 03:06:10,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 03:06:10,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 707 [2019-09-09 03:06:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:11,033 INFO L225 Difference]: With dead ends: 50950 [2019-09-09 03:06:11,034 INFO L226 Difference]: Without dead ends: 25506 [2019-09-09 03:06:11,110 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25506 states. [2019-09-09 03:06:12,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25506 to 25490. [2019-09-09 03:06:12,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25490 states. [2019-09-09 03:06:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25490 states to 25490 states and 38811 transitions. [2019-09-09 03:06:12,164 INFO L78 Accepts]: Start accepts. Automaton has 25490 states and 38811 transitions. Word has length 707 [2019-09-09 03:06:12,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:12,165 INFO L475 AbstractCegarLoop]: Abstraction has 25490 states and 38811 transitions. [2019-09-09 03:06:12,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 03:06:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 25490 states and 38811 transitions. [2019-09-09 03:06:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2019-09-09 03:06:12,176 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:12,176 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:12,177 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash -896939641, now seen corresponding path program 1 times [2019-09-09 03:06:12,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:12,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:12,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:12,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:12,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2019-09-09 03:06:12,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:12,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:06:12,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:06:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:06:12,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:12,627 INFO L87 Difference]: Start difference. First operand 25490 states and 38811 transitions. Second operand 5 states. [2019-09-09 03:06:13,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:13,249 INFO L93 Difference]: Finished difference Result 50968 states and 82197 transitions. [2019-09-09 03:06:13,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 03:06:13,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 707 [2019-09-09 03:06:13,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:13,349 INFO L225 Difference]: With dead ends: 50968 [2019-09-09 03:06:13,349 INFO L226 Difference]: Without dead ends: 25516 [2019-09-09 03:06:13,418 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25516 states. [2019-09-09 03:06:14,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25516 to 25484. [2019-09-09 03:06:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25484 states. [2019-09-09 03:06:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25484 states to 25484 states and 38799 transitions. [2019-09-09 03:06:14,117 INFO L78 Accepts]: Start accepts. Automaton has 25484 states and 38799 transitions. Word has length 707 [2019-09-09 03:06:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:14,117 INFO L475 AbstractCegarLoop]: Abstraction has 25484 states and 38799 transitions. [2019-09-09 03:06:14,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:06:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 25484 states and 38799 transitions. [2019-09-09 03:06:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2019-09-09 03:06:14,128 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:14,129 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:14,129 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:14,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:14,129 INFO L82 PathProgramCache]: Analyzing trace with hash 150636830, now seen corresponding path program 1 times [2019-09-09 03:06:14,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:14,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:14,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:14,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:14,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2019-09-09 03:06:14,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:14,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 03:06:14,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 03:06:14,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 03:06:14,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:14,812 INFO L87 Difference]: Start difference. First operand 25484 states and 38799 transitions. Second operand 3 states. [2019-09-09 03:06:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:15,476 INFO L93 Difference]: Finished difference Result 51138 states and 85198 transitions. [2019-09-09 03:06:15,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 03:06:15,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 725 [2019-09-09 03:06:15,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:15,591 INFO L225 Difference]: With dead ends: 51138 [2019-09-09 03:06:15,591 INFO L226 Difference]: Without dead ends: 25692 [2019-09-09 03:06:15,664 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:15,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25692 states. [2019-09-09 03:06:16,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25692 to 25492. [2019-09-09 03:06:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25492 states. [2019-09-09 03:06:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25492 states to 25492 states and 38807 transitions. [2019-09-09 03:06:16,370 INFO L78 Accepts]: Start accepts. Automaton has 25492 states and 38807 transitions. Word has length 725 [2019-09-09 03:06:16,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:16,370 INFO L475 AbstractCegarLoop]: Abstraction has 25492 states and 38807 transitions. [2019-09-09 03:06:16,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 03:06:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 25492 states and 38807 transitions. [2019-09-09 03:06:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2019-09-09 03:06:16,382 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:16,383 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:16,383 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:16,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:16,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1201978977, now seen corresponding path program 1 times [2019-09-09 03:06:16,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:16,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:16,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:16,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:16,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2019-09-09 03:06:18,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:18,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 03:06:18,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 03:06:18,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 03:06:18,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:18,560 INFO L87 Difference]: Start difference. First operand 25492 states and 38807 transitions. Second operand 3 states. [2019-09-09 03:06:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:19,206 INFO L93 Difference]: Finished difference Result 50954 states and 84907 transitions. [2019-09-09 03:06:19,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 03:06:19,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 767 [2019-09-09 03:06:19,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:19,324 INFO L225 Difference]: With dead ends: 50954 [2019-09-09 03:06:19,324 INFO L226 Difference]: Without dead ends: 25500 [2019-09-09 03:06:19,398 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:19,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25500 states. [2019-09-09 03:06:20,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25500 to 25500. [2019-09-09 03:06:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25500 states. [2019-09-09 03:06:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25500 states to 25500 states and 38815 transitions. [2019-09-09 03:06:20,103 INFO L78 Accepts]: Start accepts. Automaton has 25500 states and 38815 transitions. Word has length 767 [2019-09-09 03:06:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:20,104 INFO L475 AbstractCegarLoop]: Abstraction has 25500 states and 38815 transitions. [2019-09-09 03:06:20,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 03:06:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 25500 states and 38815 transitions. [2019-09-09 03:06:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2019-09-09 03:06:20,115 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:20,116 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:20,116 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:20,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:20,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1710847133, now seen corresponding path program 1 times [2019-09-09 03:06:20,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:20,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:20,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:20,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:20,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2019-09-09 03:06:20,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:20,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:06:20,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:06:20,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:06:20,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:20,817 INFO L87 Difference]: Start difference. First operand 25500 states and 38815 transitions. Second operand 5 states. [2019-09-09 03:06:21,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:21,422 INFO L93 Difference]: Finished difference Result 50986 states and 82182 transitions. [2019-09-09 03:06:21,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 03:06:21,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 767 [2019-09-09 03:06:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:21,522 INFO L225 Difference]: With dead ends: 50986 [2019-09-09 03:06:21,523 INFO L226 Difference]: Without dead ends: 25524 [2019-09-09 03:06:21,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:21,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25524 states. [2019-09-09 03:06:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25524 to 25500. [2019-09-09 03:06:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25500 states. [2019-09-09 03:06:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25500 states to 25500 states and 38812 transitions. [2019-09-09 03:06:22,296 INFO L78 Accepts]: Start accepts. Automaton has 25500 states and 38812 transitions. Word has length 767 [2019-09-09 03:06:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:22,296 INFO L475 AbstractCegarLoop]: Abstraction has 25500 states and 38812 transitions. [2019-09-09 03:06:22,296 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:06:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 25500 states and 38812 transitions. [2019-09-09 03:06:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-09 03:06:22,308 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:22,309 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:22,309 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:22,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1673056331, now seen corresponding path program 1 times [2019-09-09 03:06:22,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:22,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:22,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:22,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:22,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2019-09-09 03:06:23,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:23,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 03:06:23,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 03:06:23,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 03:06:23,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-09 03:06:23,190 INFO L87 Difference]: Start difference. First operand 25500 states and 38812 transitions. Second operand 4 states. [2019-09-09 03:06:34,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:34,510 INFO L93 Difference]: Finished difference Result 51016 states and 82268 transitions. [2019-09-09 03:06:34,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 03:06:34,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 774 [2019-09-09 03:06:34,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:34,611 INFO L225 Difference]: With dead ends: 51016 [2019-09-09 03:06:34,612 INFO L226 Difference]: Without dead ends: 25554 [2019-09-09 03:06:34,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:34,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25554 states. [2019-09-09 03:06:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25554 to 25506. [2019-09-09 03:06:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25506 states. [2019-09-09 03:06:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25506 states to 25506 states and 38818 transitions. [2019-09-09 03:06:35,394 INFO L78 Accepts]: Start accepts. Automaton has 25506 states and 38818 transitions. Word has length 774 [2019-09-09 03:06:35,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:35,395 INFO L475 AbstractCegarLoop]: Abstraction has 25506 states and 38818 transitions. [2019-09-09 03:06:35,395 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 03:06:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 25506 states and 38818 transitions. [2019-09-09 03:06:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-09 03:06:35,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:35,407 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:35,407 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:35,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:35,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1320399817, now seen corresponding path program 1 times [2019-09-09 03:06:35,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:35,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:35,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:35,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:35,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2019-09-09 03:06:37,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:37,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 03:06:37,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 03:06:37,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 03:06:37,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-09 03:06:37,856 INFO L87 Difference]: Start difference. First operand 25506 states and 38818 transitions. Second operand 4 states. [2019-09-09 03:06:49,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:49,497 INFO L93 Difference]: Finished difference Result 51001 states and 82238 transitions. [2019-09-09 03:06:49,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 03:06:49,497 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 774 [2019-09-09 03:06:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:49,600 INFO L225 Difference]: With dead ends: 51001 [2019-09-09 03:06:49,600 INFO L226 Difference]: Without dead ends: 25533 [2019-09-09 03:06:49,671 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:06:49,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25533 states. [2019-09-09 03:06:50,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25533 to 25479. [2019-09-09 03:06:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25479 states. [2019-09-09 03:06:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25479 states to 25479 states and 38776 transitions. [2019-09-09 03:06:50,372 INFO L78 Accepts]: Start accepts. Automaton has 25479 states and 38776 transitions. Word has length 774 [2019-09-09 03:06:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:50,373 INFO L475 AbstractCegarLoop]: Abstraction has 25479 states and 38776 transitions. [2019-09-09 03:06:50,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 03:06:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 25479 states and 38776 transitions. [2019-09-09 03:06:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2019-09-09 03:06:50,384 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:50,385 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:50,385 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:50,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:50,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1814745490, now seen corresponding path program 1 times [2019-09-09 03:06:50,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:50,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:50,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:50,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:50,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2019-09-09 03:06:51,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:51,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 03:06:51,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 03:06:51,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 03:06:51,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 03:06:51,006 INFO L87 Difference]: Start difference. First operand 25479 states and 38776 transitions. Second operand 6 states. [2019-09-09 03:06:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:51,839 INFO L93 Difference]: Finished difference Result 51094 states and 82337 transitions. [2019-09-09 03:06:51,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 03:06:51,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 775 [2019-09-09 03:06:51,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:51,946 INFO L225 Difference]: With dead ends: 51094 [2019-09-09 03:06:51,946 INFO L226 Difference]: Without dead ends: 25653 [2019-09-09 03:06:52,016 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:06:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25653 states. [2019-09-09 03:06:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25653 to 25529. [2019-09-09 03:06:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25529 states. [2019-09-09 03:06:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25529 states to 25529 states and 38842 transitions. [2019-09-09 03:06:52,711 INFO L78 Accepts]: Start accepts. Automaton has 25529 states and 38842 transitions. Word has length 775 [2019-09-09 03:06:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:52,712 INFO L475 AbstractCegarLoop]: Abstraction has 25529 states and 38842 transitions. [2019-09-09 03:06:52,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 03:06:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 25529 states and 38842 transitions. [2019-09-09 03:06:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2019-09-09 03:06:52,728 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:52,728 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:52,729 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:52,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:52,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1969773306, now seen corresponding path program 1 times [2019-09-09 03:06:52,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:52,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:52,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:52,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:52,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2019-09-09 03:06:53,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:53,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 03:06:53,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:06:53,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:06:53,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:06:53,661 INFO L87 Difference]: Start difference. First operand 25529 states and 38842 transitions. Second operand 8 states. [2019-09-09 03:06:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:54,472 INFO L93 Difference]: Finished difference Result 51082 states and 82729 transitions. [2019-09-09 03:06:54,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:06:54,473 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 858 [2019-09-09 03:06:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:54,575 INFO L225 Difference]: With dead ends: 51082 [2019-09-09 03:06:54,575 INFO L226 Difference]: Without dead ends: 25591 [2019-09-09 03:06:54,645 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:06:54,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2019-09-09 03:06:55,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25411. [2019-09-09 03:06:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25411 states. [2019-09-09 03:06:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25411 states to 25411 states and 38658 transitions. [2019-09-09 03:06:55,361 INFO L78 Accepts]: Start accepts. Automaton has 25411 states and 38658 transitions. Word has length 858 [2019-09-09 03:06:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:55,362 INFO L475 AbstractCegarLoop]: Abstraction has 25411 states and 38658 transitions. [2019-09-09 03:06:55,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:06:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 25411 states and 38658 transitions. [2019-09-09 03:06:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2019-09-09 03:06:55,381 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:55,381 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:55,381 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:55,382 INFO L82 PathProgramCache]: Analyzing trace with hash -884801028, now seen corresponding path program 1 times [2019-09-09 03:06:55,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:55,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:55,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:55,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:55,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2019-09-09 03:06:55,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:06:55,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 03:06:55,924 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 03:06:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 03:06:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:55,924 INFO L87 Difference]: Start difference. First operand 25411 states and 38658 transitions. Second operand 3 states. [2019-09-09 03:06:56,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:06:56,745 INFO L93 Difference]: Finished difference Result 50800 states and 82280 transitions. [2019-09-09 03:06:56,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 03:06:56,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 860 [2019-09-09 03:06:56,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:06:56,858 INFO L225 Difference]: With dead ends: 50800 [2019-09-09 03:06:56,859 INFO L226 Difference]: Without dead ends: 25427 [2019-09-09 03:06:56,932 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:06:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25427 states. [2019-09-09 03:06:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25427 to 25419. [2019-09-09 03:06:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25419 states. [2019-09-09 03:06:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25419 states to 25419 states and 38666 transitions. [2019-09-09 03:06:57,652 INFO L78 Accepts]: Start accepts. Automaton has 25419 states and 38666 transitions. Word has length 860 [2019-09-09 03:06:57,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:06:57,653 INFO L475 AbstractCegarLoop]: Abstraction has 25419 states and 38666 transitions. [2019-09-09 03:06:57,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 03:06:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 25419 states and 38666 transitions. [2019-09-09 03:06:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2019-09-09 03:06:57,671 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:06:57,672 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:06:57,672 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:06:57,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:06:57,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1467148992, now seen corresponding path program 1 times [2019-09-09 03:06:57,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:06:57,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:06:57,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:57,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:57,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:06:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2019-09-09 03:06:58,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:06:58,324 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:06:58,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:06:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:06:59,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 6421 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 03:06:59,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2019-09-09 03:07:00,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:07:00,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-09-09 03:07:00,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 03:07:00,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 03:07:00,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-09 03:07:00,084 INFO L87 Difference]: Start difference. First operand 25419 states and 38666 transitions. Second operand 6 states. [2019-09-09 03:07:01,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:01,047 INFO L93 Difference]: Finished difference Result 50856 states and 84707 transitions. [2019-09-09 03:07:01,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 03:07:01,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 862 [2019-09-09 03:07:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:01,159 INFO L225 Difference]: With dead ends: 50856 [2019-09-09 03:07:01,160 INFO L226 Difference]: Without dead ends: 25451 [2019-09-09 03:07:01,236 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:07:01,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25451 states. [2019-09-09 03:07:02,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25451 to 25443. [2019-09-09 03:07:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25443 states. [2019-09-09 03:07:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25443 states to 25443 states and 38690 transitions. [2019-09-09 03:07:02,361 INFO L78 Accepts]: Start accepts. Automaton has 25443 states and 38690 transitions. Word has length 862 [2019-09-09 03:07:02,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:02,362 INFO L475 AbstractCegarLoop]: Abstraction has 25443 states and 38690 transitions. [2019-09-09 03:07:02,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 03:07:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 25443 states and 38690 transitions. [2019-09-09 03:07:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2019-09-09 03:07:02,380 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:02,380 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:02,380 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:02,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:02,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1446318689, now seen corresponding path program 1 times [2019-09-09 03:07:02,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:02,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:02,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:02,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:02,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2019-09-09 03:07:02,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:02,998 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:03,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:04,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 6467 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-09 03:07:04,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 515 proven. 1 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2019-09-09 03:07:04,689 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:04,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-09 03:07:04,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:07:04,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:07:04,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:07:04,692 INFO L87 Difference]: Start difference. First operand 25443 states and 38690 transitions. Second operand 8 states. [2019-09-09 03:07:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:05,648 INFO L93 Difference]: Finished difference Result 50904 states and 84755 transitions. [2019-09-09 03:07:05,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:07:05,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 865 [2019-09-09 03:07:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:05,758 INFO L225 Difference]: With dead ends: 50904 [2019-09-09 03:07:05,759 INFO L226 Difference]: Without dead ends: 25475 [2019-09-09 03:07:05,836 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:07:05,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25475 states. [2019-09-09 03:07:06,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25475 to 25467. [2019-09-09 03:07:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25467 states. [2019-09-09 03:07:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25467 states to 25467 states and 38714 transitions. [2019-09-09 03:07:06,569 INFO L78 Accepts]: Start accepts. Automaton has 25467 states and 38714 transitions. Word has length 865 [2019-09-09 03:07:06,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:06,569 INFO L475 AbstractCegarLoop]: Abstraction has 25467 states and 38714 transitions. [2019-09-09 03:07:06,569 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:07:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 25467 states and 38714 transitions. [2019-09-09 03:07:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2019-09-09 03:07:06,588 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:06,588 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:06,589 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:06,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:06,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1078746072, now seen corresponding path program 2 times [2019-09-09 03:07:06,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:06,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:06,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:06,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:06,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2019-09-09 03:07:09,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:09,691 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:09,714 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:07:12,632 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:07:12,632 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:07:12,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 6513 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-09 03:07:12,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 515 proven. 3 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-09-09 03:07:12,977 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:12,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-09-09 03:07:12,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-09 03:07:12,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-09 03:07:12,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:07:12,980 INFO L87 Difference]: Start difference. First operand 25467 states and 38714 transitions. Second operand 10 states. [2019-09-09 03:07:13,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:13,962 INFO L93 Difference]: Finished difference Result 50952 states and 84803 transitions. [2019-09-09 03:07:13,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-09 03:07:13,962 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 868 [2019-09-09 03:07:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:14,077 INFO L225 Difference]: With dead ends: 50952 [2019-09-09 03:07:14,077 INFO L226 Difference]: Without dead ends: 25499 [2019-09-09 03:07:14,154 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:07:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25499 states. [2019-09-09 03:07:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25499 to 25491. [2019-09-09 03:07:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25491 states. [2019-09-09 03:07:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25491 states to 25491 states and 38738 transitions. [2019-09-09 03:07:15,075 INFO L78 Accepts]: Start accepts. Automaton has 25491 states and 38738 transitions. Word has length 868 [2019-09-09 03:07:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:15,075 INFO L475 AbstractCegarLoop]: Abstraction has 25491 states and 38738 transitions. [2019-09-09 03:07:15,076 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-09 03:07:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 25491 states and 38738 transitions. [2019-09-09 03:07:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2019-09-09 03:07:15,094 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:15,094 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:15,094 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:15,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash 479535687, now seen corresponding path program 3 times [2019-09-09 03:07:15,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:15,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:15,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:15,099 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:07:15,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2019-09-09 03:07:16,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:16,081 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:16,119 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:07:23,912 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-09-09 03:07:23,912 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:07:23,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 3274 conjuncts, 37 conjunts are in the unsatisfiable core [2019-09-09 03:07:23,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2019-09-09 03:07:24,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:07:24,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 20 [2019-09-09 03:07:24,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-09 03:07:24,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-09 03:07:24,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-09 03:07:24,680 INFO L87 Difference]: Start difference. First operand 25491 states and 38738 transitions. Second operand 20 states. [2019-09-09 03:07:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:26,266 INFO L93 Difference]: Finished difference Result 50986 states and 82472 transitions. [2019-09-09 03:07:26,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-09 03:07:26,267 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 871 [2019-09-09 03:07:26,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:26,380 INFO L225 Difference]: With dead ends: 50986 [2019-09-09 03:07:26,381 INFO L226 Difference]: Without dead ends: 25527 [2019-09-09 03:07:26,455 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2019-09-09 03:07:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25527 states. [2019-09-09 03:07:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25527 to 25507. [2019-09-09 03:07:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25507 states. [2019-09-09 03:07:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25507 states to 25507 states and 38748 transitions. [2019-09-09 03:07:27,171 INFO L78 Accepts]: Start accepts. Automaton has 25507 states and 38748 transitions. Word has length 871 [2019-09-09 03:07:27,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:27,171 INFO L475 AbstractCegarLoop]: Abstraction has 25507 states and 38748 transitions. [2019-09-09 03:07:27,171 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-09 03:07:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 25507 states and 38748 transitions. [2019-09-09 03:07:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2019-09-09 03:07:27,194 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:27,195 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:27,195 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:27,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:27,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1230796205, now seen corresponding path program 1 times [2019-09-09 03:07:27,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:27,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:27,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:27,198 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:07:27,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 1295 trivial. 0 not checked. [2019-09-09 03:07:28,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:28,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:28,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:29,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 6750 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-09 03:07:29,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 530 proven. 6 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2019-09-09 03:07:30,105 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:30,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-09-09 03:07:30,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-09 03:07:30,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-09 03:07:30,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-09-09 03:07:30,108 INFO L87 Difference]: Start difference. First operand 25507 states and 38748 transitions. Second operand 13 states. [2019-09-09 03:07:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:31,512 INFO L93 Difference]: Finished difference Result 51032 states and 84871 transitions. [2019-09-09 03:07:31,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-09 03:07:31,513 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 911 [2019-09-09 03:07:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:31,611 INFO L225 Difference]: With dead ends: 51032 [2019-09-09 03:07:31,612 INFO L226 Difference]: Without dead ends: 25539 [2019-09-09 03:07:31,671 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 920 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2019-09-09 03:07:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25539 states. [2019-09-09 03:07:32,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25539 to 25531. [2019-09-09 03:07:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25531 states. [2019-09-09 03:07:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25531 states to 25531 states and 38772 transitions. [2019-09-09 03:07:32,369 INFO L78 Accepts]: Start accepts. Automaton has 25531 states and 38772 transitions. Word has length 911 [2019-09-09 03:07:32,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:32,369 INFO L475 AbstractCegarLoop]: Abstraction has 25531 states and 38772 transitions. [2019-09-09 03:07:32,369 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-09 03:07:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 25531 states and 38772 transitions. [2019-09-09 03:07:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2019-09-09 03:07:32,394 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:32,394 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:32,395 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash 145198454, now seen corresponding path program 2 times [2019-09-09 03:07:32,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:32,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:32,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:32,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:32,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2019-09-09 03:07:33,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:33,061 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:33,088 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:07:36,062 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:07:36,062 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:07:36,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 6796 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-09 03:07:36,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 530 proven. 10 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2019-09-09 03:07:36,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:36,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-09-09 03:07:36,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-09 03:07:36,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-09 03:07:36,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-09-09 03:07:36,917 INFO L87 Difference]: Start difference. First operand 25531 states and 38772 transitions. Second operand 15 states. [2019-09-09 03:07:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:38,435 INFO L93 Difference]: Finished difference Result 51080 states and 84919 transitions. [2019-09-09 03:07:38,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 03:07:38,435 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 914 [2019-09-09 03:07:38,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:38,550 INFO L225 Difference]: With dead ends: 51080 [2019-09-09 03:07:38,550 INFO L226 Difference]: Without dead ends: 25563 [2019-09-09 03:07:38,634 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2019-09-09 03:07:38,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25563 states. [2019-09-09 03:07:39,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25563 to 25555. [2019-09-09 03:07:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25555 states. [2019-09-09 03:07:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25555 states to 25555 states and 38796 transitions. [2019-09-09 03:07:39,367 INFO L78 Accepts]: Start accepts. Automaton has 25555 states and 38796 transitions. Word has length 914 [2019-09-09 03:07:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:39,368 INFO L475 AbstractCegarLoop]: Abstraction has 25555 states and 38796 transitions. [2019-09-09 03:07:39,368 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-09 03:07:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 25555 states and 38796 transitions. [2019-09-09 03:07:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2019-09-09 03:07:39,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:39,390 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:39,391 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:39,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:39,391 INFO L82 PathProgramCache]: Analyzing trace with hash 994268757, now seen corresponding path program 3 times [2019-09-09 03:07:39,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:39,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:39,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:39,395 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:07:39,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 5 proven. 49 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-09-09 03:07:42,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:42,180 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:42,205 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:07:50,077 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-09-09 03:07:50,077 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:07:50,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 3459 conjuncts, 54 conjunts are in the unsatisfiable core [2019-09-09 03:07:50,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2019-09-09 03:07:50,916 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:50,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20] total 28 [2019-09-09 03:07:50,918 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-09-09 03:07:50,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-09-09 03:07:50,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2019-09-09 03:07:50,918 INFO L87 Difference]: Start difference. First operand 25555 states and 38796 transitions. Second operand 28 states. [2019-09-09 03:07:52,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:52,603 INFO L93 Difference]: Finished difference Result 51103 states and 82571 transitions. [2019-09-09 03:07:52,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-09-09 03:07:52,604 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 917 [2019-09-09 03:07:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:52,737 INFO L225 Difference]: With dead ends: 51103 [2019-09-09 03:07:52,737 INFO L226 Difference]: Without dead ends: 25579 [2019-09-09 03:07:52,812 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=1017, Unknown=0, NotChecked=0, Total=1122 [2019-09-09 03:07:52,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25579 states. [2019-09-09 03:07:53,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25579 to 25557. [2019-09-09 03:07:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25557 states. [2019-09-09 03:07:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25557 states to 25557 states and 38784 transitions. [2019-09-09 03:07:53,554 INFO L78 Accepts]: Start accepts. Automaton has 25557 states and 38784 transitions. Word has length 917 [2019-09-09 03:07:53,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:53,554 INFO L475 AbstractCegarLoop]: Abstraction has 25557 states and 38784 transitions. [2019-09-09 03:07:53,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-09-09 03:07:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25557 states and 38784 transitions. [2019-09-09 03:07:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2019-09-09 03:07:53,580 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:53,580 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:53,581 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash 998936014, now seen corresponding path program 1 times [2019-09-09 03:07:53,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:53,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:53,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:53,585 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:07:53,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-09-09 03:07:54,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:54,506 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:54,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:55,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 6926 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-09 03:07:55,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:07:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 530 proven. 15 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2019-09-09 03:07:56,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:07:56,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2019-09-09 03:07:56,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-09 03:07:56,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-09 03:07:56,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:07:56,248 INFO L87 Difference]: Start difference. First operand 25557 states and 38784 transitions. Second operand 18 states. [2019-09-09 03:07:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:07:57,843 INFO L93 Difference]: Finished difference Result 51132 states and 84943 transitions. [2019-09-09 03:07:57,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-09 03:07:57,844 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 942 [2019-09-09 03:07:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:07:57,946 INFO L225 Difference]: With dead ends: 51132 [2019-09-09 03:07:57,946 INFO L226 Difference]: Without dead ends: 25589 [2019-09-09 03:07:58,012 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 937 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2019-09-09 03:07:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25589 states. [2019-09-09 03:07:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25589 to 25581. [2019-09-09 03:07:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25581 states. [2019-09-09 03:07:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25581 states to 25581 states and 38808 transitions. [2019-09-09 03:07:58,740 INFO L78 Accepts]: Start accepts. Automaton has 25581 states and 38808 transitions. Word has length 942 [2019-09-09 03:07:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:07:58,741 INFO L475 AbstractCegarLoop]: Abstraction has 25581 states and 38808 transitions. [2019-09-09 03:07:58,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-09 03:07:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 25581 states and 38808 transitions. [2019-09-09 03:07:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2019-09-09 03:07:58,767 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:07:58,767 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:07:58,768 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:07:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:07:58,768 INFO L82 PathProgramCache]: Analyzing trace with hash -934218779, now seen corresponding path program 2 times [2019-09-09 03:07:58,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:07:58,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:07:58,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:58,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:07:58,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:07:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:07:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 5 proven. 81 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2019-09-09 03:07:59,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:07:59,463 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:07:59,488 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:08:03,032 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:08:03,032 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:08:03,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 6972 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 03:08:03,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2019-09-09 03:08:03,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:08:03,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2019-09-09 03:08:03,405 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-09 03:08:03,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-09 03:08:03,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2019-09-09 03:08:03,406 INFO L87 Difference]: Start difference. First operand 25581 states and 38808 transitions. Second operand 14 states. [2019-09-09 03:08:04,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:04,232 INFO L93 Difference]: Finished difference Result 51172 states and 84975 transitions. [2019-09-09 03:08:04,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-09 03:08:04,233 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 945 [2019-09-09 03:08:04,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:04,347 INFO L225 Difference]: With dead ends: 51172 [2019-09-09 03:08:04,347 INFO L226 Difference]: Without dead ends: 25613 [2019-09-09 03:08:04,422 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-09 03:08:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25613 states. [2019-09-09 03:08:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25613 to 25605. [2019-09-09 03:08:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25605 states. [2019-09-09 03:08:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25605 states to 25605 states and 38832 transitions. [2019-09-09 03:08:05,502 INFO L78 Accepts]: Start accepts. Automaton has 25605 states and 38832 transitions. Word has length 945 [2019-09-09 03:08:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:05,503 INFO L475 AbstractCegarLoop]: Abstraction has 25605 states and 38832 transitions. [2019-09-09 03:08:05,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-09 03:08:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25605 states and 38832 transitions. [2019-09-09 03:08:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2019-09-09 03:08:05,528 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:05,528 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:05,529 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash -169923568, now seen corresponding path program 1 times [2019-09-09 03:08:05,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:05,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:05,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:05,533 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:08:05,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2019-09-09 03:08:06,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:06,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:06,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:07,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 6769 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 03:08:07,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 530 proven. 1 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2019-09-09 03:08:08,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:08:08,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4] total 15 [2019-09-09 03:08:08,086 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-09 03:08:08,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-09 03:08:08,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2019-09-09 03:08:08,087 INFO L87 Difference]: Start difference. First operand 25605 states and 38832 transitions. Second operand 15 states. [2019-09-09 03:08:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:08,911 INFO L93 Difference]: Finished difference Result 51620 states and 85637 transitions. [2019-09-09 03:08:08,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 03:08:08,911 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 950 [2019-09-09 03:08:08,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:09,048 INFO L225 Difference]: With dead ends: 51620 [2019-09-09 03:08:09,049 INFO L226 Difference]: Without dead ends: 26053 [2019-09-09 03:08:09,130 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2019-09-09 03:08:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26053 states. [2019-09-09 03:08:09,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26053 to 25805. [2019-09-09 03:08:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25805 states. [2019-09-09 03:08:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25805 states to 25805 states and 39128 transitions. [2019-09-09 03:08:09,915 INFO L78 Accepts]: Start accepts. Automaton has 25805 states and 39128 transitions. Word has length 950 [2019-09-09 03:08:09,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:09,916 INFO L475 AbstractCegarLoop]: Abstraction has 25805 states and 39128 transitions. [2019-09-09 03:08:09,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-09 03:08:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 25805 states and 39128 transitions. [2019-09-09 03:08:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2019-09-09 03:08:09,944 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:09,945 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:09,945 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:09,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:09,946 INFO L82 PathProgramCache]: Analyzing trace with hash -693901152, now seen corresponding path program 1 times [2019-09-09 03:08:09,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:09,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:09,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:09,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 5 proven. 121 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2019-09-09 03:08:12,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:12,952 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:12,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:14,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 6994 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-09 03:08:14,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 530 proven. 1 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2019-09-09 03:08:14,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:08:14,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2019-09-09 03:08:14,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-09 03:08:14,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-09 03:08:14,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2019-09-09 03:08:14,566 INFO L87 Difference]: Start difference. First operand 25805 states and 39128 transitions. Second operand 17 states. [2019-09-09 03:08:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:15,413 INFO L93 Difference]: Finished difference Result 51620 states and 85615 transitions. [2019-09-09 03:08:15,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-09 03:08:15,413 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 950 [2019-09-09 03:08:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:15,550 INFO L225 Difference]: With dead ends: 51620 [2019-09-09 03:08:15,550 INFO L226 Difference]: Without dead ends: 25837 [2019-09-09 03:08:15,633 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 964 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:08:15,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25837 states. [2019-09-09 03:08:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25837 to 25829. [2019-09-09 03:08:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25829 states. [2019-09-09 03:08:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25829 states to 25829 states and 39152 transitions. [2019-09-09 03:08:16,412 INFO L78 Accepts]: Start accepts. Automaton has 25829 states and 39152 transitions. Word has length 950 [2019-09-09 03:08:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:16,412 INFO L475 AbstractCegarLoop]: Abstraction has 25829 states and 39152 transitions. [2019-09-09 03:08:16,412 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-09 03:08:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 25829 states and 39152 transitions. [2019-09-09 03:08:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2019-09-09 03:08:16,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:16,441 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 12, 12, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:16,441 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:16,442 INFO L82 PathProgramCache]: Analyzing trace with hash 49419257, now seen corresponding path program 2 times [2019-09-09 03:08:16,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:16,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:16,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:16,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:16,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 5 proven. 144 refuted. 0 times theorem prover too weak. 1313 trivial. 0 not checked. [2019-09-09 03:08:17,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:17,446 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:17,469 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:08:20,633 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:08:20,633 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:08:20,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 7010 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-09 03:08:20,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 432 proven. 144 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2019-09-09 03:08:21,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:08:21,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2019-09-09 03:08:21,024 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-09 03:08:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-09 03:08:21,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-09-09 03:08:21,025 INFO L87 Difference]: Start difference. First operand 25829 states and 39152 transitions. Second operand 16 states. [2019-09-09 03:08:21,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:21,937 INFO L93 Difference]: Finished difference Result 51644 states and 83276 transitions. [2019-09-09 03:08:21,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 03:08:21,938 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 953 [2019-09-09 03:08:21,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:22,059 INFO L225 Difference]: With dead ends: 51644 [2019-09-09 03:08:22,059 INFO L226 Difference]: Without dead ends: 25853 [2019-09-09 03:08:22,132 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-09-09 03:08:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25853 states. [2019-09-09 03:08:22,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25853 to 25845. [2019-09-09 03:08:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25845 states. [2019-09-09 03:08:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25845 states to 25845 states and 39168 transitions. [2019-09-09 03:08:22,880 INFO L78 Accepts]: Start accepts. Automaton has 25845 states and 39168 transitions. Word has length 953 [2019-09-09 03:08:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:22,881 INFO L475 AbstractCegarLoop]: Abstraction has 25845 states and 39168 transitions. [2019-09-09 03:08:22,881 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-09 03:08:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25845 states and 39168 transitions. [2019-09-09 03:08:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2019-09-09 03:08:22,907 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:22,908 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 13, 13, 11, 11, 11, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:22,908 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:22,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:22,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1676935989, now seen corresponding path program 3 times [2019-09-09 03:08:22,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:22,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:22,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:22,913 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:08:22,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 5 proven. 169 refuted. 0 times theorem prover too weak. 1313 trivial. 0 not checked. [2019-09-09 03:08:23,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:23,888 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:23,911 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:08:34,764 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-09-09 03:08:34,765 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:08:34,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 3956 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-09 03:08:34,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2019-09-09 03:08:35,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:08:35,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2019-09-09 03:08:35,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-09 03:08:35,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-09 03:08:35,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2019-09-09 03:08:35,237 INFO L87 Difference]: Start difference. First operand 25845 states and 39168 transitions. Second operand 20 states. [2019-09-09 03:08:36,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:36,324 INFO L93 Difference]: Finished difference Result 51720 states and 83372 transitions. [2019-09-09 03:08:36,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-09 03:08:36,324 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 955 [2019-09-09 03:08:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:36,439 INFO L225 Difference]: With dead ends: 51720 [2019-09-09 03:08:36,439 INFO L226 Difference]: Without dead ends: 25913 [2019-09-09 03:08:36,509 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 985 GetRequests, 952 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=820, Unknown=0, NotChecked=0, Total=1190 [2019-09-09 03:08:36,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25913 states. [2019-09-09 03:08:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25913 to 25819. [2019-09-09 03:08:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25819 states. [2019-09-09 03:08:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25819 states to 25819 states and 39130 transitions. [2019-09-09 03:08:37,504 INFO L78 Accepts]: Start accepts. Automaton has 25819 states and 39130 transitions. Word has length 955 [2019-09-09 03:08:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:37,504 INFO L475 AbstractCegarLoop]: Abstraction has 25819 states and 39130 transitions. [2019-09-09 03:08:37,505 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-09 03:08:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 25819 states and 39130 transitions. [2019-09-09 03:08:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2019-09-09 03:08:37,530 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:37,530 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 14, 14, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:37,531 INFO L418 AbstractCegarLoop]: === Iteration 41 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:37,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:37,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1066280797, now seen corresponding path program 1 times [2019-09-09 03:08:37,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:37,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:37,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:37,535 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:08:37,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-09-09 03:08:38,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:08:38,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:08:38,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:08:38,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:08:38,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:08:38,157 INFO L87 Difference]: Start difference. First operand 25819 states and 39130 transitions. Second operand 5 states. [2019-09-09 03:08:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:38,802 INFO L93 Difference]: Finished difference Result 51728 states and 83370 transitions. [2019-09-09 03:08:39,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 03:08:39,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 966 [2019-09-09 03:08:39,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:39,218 INFO L225 Difference]: With dead ends: 51728 [2019-09-09 03:08:39,218 INFO L226 Difference]: Without dead ends: 25947 [2019-09-09 03:08:39,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:08:39,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25947 states. [2019-09-09 03:08:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25947 to 25851. [2019-09-09 03:08:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25851 states. [2019-09-09 03:08:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25851 states to 25851 states and 39162 transitions. [2019-09-09 03:08:39,959 INFO L78 Accepts]: Start accepts. Automaton has 25851 states and 39162 transitions. Word has length 966 [2019-09-09 03:08:39,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:39,960 INFO L475 AbstractCegarLoop]: Abstraction has 25851 states and 39162 transitions. [2019-09-09 03:08:39,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:08:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25851 states and 39162 transitions. [2019-09-09 03:08:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2019-09-09 03:08:39,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:39,988 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 14, 14, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:39,988 INFO L418 AbstractCegarLoop]: === Iteration 42 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:39,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:39,989 INFO L82 PathProgramCache]: Analyzing trace with hash -258183741, now seen corresponding path program 1 times [2019-09-09 03:08:39,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:39,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:39,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:39,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:39,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1553 backedges. 5 proven. 196 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2019-09-09 03:08:40,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:40,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:40,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:44,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 7157 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-09 03:08:44,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1553 backedges. 471 proven. 196 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2019-09-09 03:08:44,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:08:44,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2019-09-09 03:08:44,866 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-09 03:08:44,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-09 03:08:44,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:08:44,867 INFO L87 Difference]: Start difference. First operand 25851 states and 39162 transitions. Second operand 18 states. [2019-09-09 03:08:45,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:45,575 INFO L93 Difference]: Finished difference Result 51688 states and 83312 transitions. [2019-09-09 03:08:45,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-09 03:08:45,576 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 979 [2019-09-09 03:08:45,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:45,690 INFO L225 Difference]: With dead ends: 51688 [2019-09-09 03:08:45,690 INFO L226 Difference]: Without dead ends: 25875 [2019-09-09 03:08:45,758 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 979 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:08:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25875 states. [2019-09-09 03:08:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25875 to 25867. [2019-09-09 03:08:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25867 states. [2019-09-09 03:08:46,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25867 states to 25867 states and 39178 transitions. [2019-09-09 03:08:46,704 INFO L78 Accepts]: Start accepts. Automaton has 25867 states and 39178 transitions. Word has length 979 [2019-09-09 03:08:46,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:46,705 INFO L475 AbstractCegarLoop]: Abstraction has 25867 states and 39178 transitions. [2019-09-09 03:08:46,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-09 03:08:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 25867 states and 39178 transitions. [2019-09-09 03:08:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2019-09-09 03:08:46,733 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:46,734 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:46,734 INFO L418 AbstractCegarLoop]: === Iteration 43 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:46,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1073842687, now seen corresponding path program 2 times [2019-09-09 03:08:46,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:46,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:46,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:46,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:08:46,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 5 proven. 225 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2019-09-09 03:08:47,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:47,557 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:47,583 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:08:50,670 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:08:50,670 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:08:50,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 7163 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-09 03:08:50,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:08:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 471 proven. 225 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2019-09-09 03:08:51,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:08:51,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2019-09-09 03:08:51,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-09 03:08:51,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-09 03:08:51,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-09-09 03:08:51,376 INFO L87 Difference]: Start difference. First operand 25867 states and 39178 transitions. Second operand 19 states. [2019-09-09 03:08:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:08:52,132 INFO L93 Difference]: Finished difference Result 51720 states and 83344 transitions. [2019-09-09 03:08:52,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-09 03:08:52,132 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 981 [2019-09-09 03:08:52,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:08:52,249 INFO L225 Difference]: With dead ends: 51720 [2019-09-09 03:08:52,249 INFO L226 Difference]: Without dead ends: 25891 [2019-09-09 03:08:52,318 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-09-09 03:08:52,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25891 states. [2019-09-09 03:08:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25891 to 25883. [2019-09-09 03:08:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25883 states. [2019-09-09 03:08:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25883 states to 25883 states and 39194 transitions. [2019-09-09 03:08:53,047 INFO L78 Accepts]: Start accepts. Automaton has 25883 states and 39194 transitions. Word has length 981 [2019-09-09 03:08:53,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:08:53,048 INFO L475 AbstractCegarLoop]: Abstraction has 25883 states and 39194 transitions. [2019-09-09 03:08:53,048 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-09 03:08:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25883 states and 39194 transitions. [2019-09-09 03:08:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2019-09-09 03:08:53,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:08:53,074 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:08:53,075 INFO L418 AbstractCegarLoop]: === Iteration 44 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:08:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:08:53,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1250985787, now seen corresponding path program 3 times [2019-09-09 03:08:53,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:08:53,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:08:53,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:53,079 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:08:53,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:08:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:08:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 5 proven. 256 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2019-09-09 03:08:54,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:08:54,205 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:08:54,230 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:09:04,704 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-09-09 03:09:04,704 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:09:04,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 4091 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-09 03:09:04,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:09:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2019-09-09 03:09:05,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:09:05,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2019-09-09 03:09:05,297 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-09 03:09:05,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-09 03:09:05,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2019-09-09 03:09:05,298 INFO L87 Difference]: Start difference. First operand 25883 states and 39194 transitions. Second operand 22 states. [2019-09-09 03:09:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:09:06,483 INFO L93 Difference]: Finished difference Result 51788 states and 83420 transitions. [2019-09-09 03:09:06,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-09 03:09:06,483 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 983 [2019-09-09 03:09:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:09:06,601 INFO L225 Difference]: With dead ends: 51788 [2019-09-09 03:09:06,601 INFO L226 Difference]: Without dead ends: 25943 [2019-09-09 03:09:06,672 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=517, Invalid=965, Unknown=0, NotChecked=0, Total=1482 [2019-09-09 03:09:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25943 states. [2019-09-09 03:09:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25943 to 25899. [2019-09-09 03:09:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25899 states. [2019-09-09 03:09:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25899 states to 25899 states and 39210 transitions. [2019-09-09 03:09:07,395 INFO L78 Accepts]: Start accepts. Automaton has 25899 states and 39210 transitions. Word has length 983 [2019-09-09 03:09:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:09:07,396 INFO L475 AbstractCegarLoop]: Abstraction has 25899 states and 39210 transitions. [2019-09-09 03:09:07,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-09 03:09:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 25899 states and 39210 transitions. [2019-09-09 03:09:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2019-09-09 03:09:07,423 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:09:07,423 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:09:07,423 INFO L418 AbstractCegarLoop]: === Iteration 45 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:09:07,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:09:07,424 INFO L82 PathProgramCache]: Analyzing trace with hash -45114537, now seen corresponding path program 1 times [2019-09-09 03:09:07,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:09:07,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:09:07,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:07,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:09:07,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:09:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 5 proven. 289 refuted. 0 times theorem prover too weak. 1414 trivial. 0 not checked. [2019-09-09 03:09:08,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:09:08,504 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:09:08,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:09:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:09:09,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 7230 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-09 03:09:09,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:09:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 525 proven. 289 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2019-09-09 03:09:12,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:09:12,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 21 [2019-09-09 03:09:12,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-09 03:09:12,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-09 03:09:12,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-09-09 03:09:12,538 INFO L87 Difference]: Start difference. First operand 25899 states and 39210 transitions. Second operand 21 states. [2019-09-09 03:09:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:09:13,256 INFO L93 Difference]: Finished difference Result 51784 states and 83408 transitions. [2019-09-09 03:09:13,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-09 03:09:13,256 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 997 [2019-09-09 03:09:13,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:09:13,374 INFO L225 Difference]: With dead ends: 51784 [2019-09-09 03:09:13,374 INFO L226 Difference]: Without dead ends: 25923 [2019-09-09 03:09:13,444 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1016 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-09-09 03:09:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25923 states. [2019-09-09 03:09:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25923 to 25915. [2019-09-09 03:09:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25915 states. [2019-09-09 03:09:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25915 states to 25915 states and 39226 transitions. [2019-09-09 03:09:14,159 INFO L78 Accepts]: Start accepts. Automaton has 25915 states and 39226 transitions. Word has length 997 [2019-09-09 03:09:14,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:09:14,160 INFO L475 AbstractCegarLoop]: Abstraction has 25915 states and 39226 transitions. [2019-09-09 03:09:14,160 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-09 03:09:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 25915 states and 39226 transitions. [2019-09-09 03:09:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2019-09-09 03:09:14,187 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:09:14,188 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:09:14,188 INFO L418 AbstractCegarLoop]: === Iteration 46 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:09:14,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:09:14,188 INFO L82 PathProgramCache]: Analyzing trace with hash -199974765, now seen corresponding path program 2 times [2019-09-09 03:09:14,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:09:14,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:09:14,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:14,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:09:14,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:09:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 5 proven. 324 refuted. 0 times theorem prover too weak. 1414 trivial. 0 not checked. [2019-09-09 03:09:15,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:09:15,270 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:09:15,296 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:09:18,392 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:09:18,392 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:09:18,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 7236 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-09 03:09:18,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:09:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 525 proven. 324 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2019-09-09 03:09:18,785 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:09:18,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2019-09-09 03:09:18,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-09 03:09:18,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-09 03:09:18,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-09-09 03:09:18,788 INFO L87 Difference]: Start difference. First operand 25915 states and 39226 transitions. Second operand 22 states. [2019-09-09 03:09:19,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:09:19,795 INFO L93 Difference]: Finished difference Result 51816 states and 83440 transitions. [2019-09-09 03:09:19,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-09 03:09:19,796 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 999 [2019-09-09 03:09:19,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:09:19,901 INFO L225 Difference]: With dead ends: 51816 [2019-09-09 03:09:19,901 INFO L226 Difference]: Without dead ends: 25939 [2019-09-09 03:09:19,959 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-09-09 03:09:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25939 states. [2019-09-09 03:09:20,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25939 to 25931. [2019-09-09 03:09:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25931 states. [2019-09-09 03:09:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25931 states to 25931 states and 39242 transitions. [2019-09-09 03:09:20,655 INFO L78 Accepts]: Start accepts. Automaton has 25931 states and 39242 transitions. Word has length 999 [2019-09-09 03:09:20,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:09:20,655 INFO L475 AbstractCegarLoop]: Abstraction has 25931 states and 39242 transitions. [2019-09-09 03:09:20,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-09 03:09:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 25931 states and 39242 transitions. [2019-09-09 03:09:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2019-09-09 03:09:20,683 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:09:20,684 INFO L399 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 16, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:09:20,684 INFO L418 AbstractCegarLoop]: === Iteration 47 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:09:20,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:09:20,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1303201487, now seen corresponding path program 3 times [2019-09-09 03:09:20,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:09:20,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:09:20,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:20,687 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:09:20,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:09:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:09:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 5 proven. 361 refuted. 0 times theorem prover too weak. 1414 trivial. 0 not checked. [2019-09-09 03:09:21,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:09:21,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:09:21,950 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:10:11,818 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-09-09 03:10:11,820 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:10:11,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 5647 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-09 03:10:11,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:10:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2019-09-09 03:10:12,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 03:10:12,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [22] total 30 [2019-09-09 03:10:12,456 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-09-09 03:10:12,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-09-09 03:10:12,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2019-09-09 03:10:12,457 INFO L87 Difference]: Start difference. First operand 25931 states and 39242 transitions. Second operand 30 states. [2019-09-09 03:10:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:13,677 INFO L93 Difference]: Finished difference Result 51936 states and 83583 transitions. [2019-09-09 03:10:13,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-09-09 03:10:13,677 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 1001 [2019-09-09 03:10:13,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:13,794 INFO L225 Difference]: With dead ends: 51936 [2019-09-09 03:10:13,794 INFO L226 Difference]: Without dead ends: 26043 [2019-09-09 03:10:13,864 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 994 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2019-09-09 03:10:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26043 states. [2019-09-09 03:10:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26043 to 26021. [2019-09-09 03:10:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26021 states. [2019-09-09 03:10:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26021 states to 26021 states and 39345 transitions. [2019-09-09 03:10:14,890 INFO L78 Accepts]: Start accepts. Automaton has 26021 states and 39345 transitions. Word has length 1001 [2019-09-09 03:10:14,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:14,890 INFO L475 AbstractCegarLoop]: Abstraction has 26021 states and 39345 transitions. [2019-09-09 03:10:14,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-09-09 03:10:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 26021 states and 39345 transitions. [2019-09-09 03:10:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2019-09-09 03:10:14,925 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:14,926 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 13, 13, 12, 12, 10, 10, 10, 10, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:14,926 INFO L418 AbstractCegarLoop]: === Iteration 48 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:14,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:14,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1715224227, now seen corresponding path program 1 times [2019-09-09 03:10:14,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:14,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:14,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:14,930 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:10:14,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2158 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2153 trivial. 0 not checked. [2019-09-09 03:10:15,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:10:15,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-09 03:10:15,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-09 03:10:15,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-09 03:10:15,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-09 03:10:15,680 INFO L87 Difference]: Start difference. First operand 26021 states and 39345 transitions. Second operand 12 states. [2019-09-09 03:10:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:16,635 INFO L93 Difference]: Finished difference Result 52082 states and 80995 transitions. [2019-09-09 03:10:16,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-09 03:10:16,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1093 [2019-09-09 03:10:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:16,753 INFO L225 Difference]: With dead ends: 52082 [2019-09-09 03:10:16,753 INFO L226 Difference]: Without dead ends: 26099 [2019-09-09 03:10:16,817 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-09-09 03:10:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26099 states. [2019-09-09 03:10:17,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26099 to 26043. [2019-09-09 03:10:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26043 states. [2019-09-09 03:10:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26043 states to 26043 states and 39377 transitions. [2019-09-09 03:10:17,541 INFO L78 Accepts]: Start accepts. Automaton has 26043 states and 39377 transitions. Word has length 1093 [2019-09-09 03:10:17,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:17,542 INFO L475 AbstractCegarLoop]: Abstraction has 26043 states and 39377 transitions. [2019-09-09 03:10:17,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-09 03:10:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 26043 states and 39377 transitions. [2019-09-09 03:10:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2019-09-09 03:10:17,578 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:17,579 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:17,579 INFO L418 AbstractCegarLoop]: === Iteration 49 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:17,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1771879720, now seen corresponding path program 1 times [2019-09-09 03:10:17,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:17,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:17,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:17,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:17,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2286 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2019-09-09 03:10:18,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:10:18,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 03:10:18,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 03:10:18,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 03:10:18,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:10:18,551 INFO L87 Difference]: Start difference. First operand 26043 states and 39377 transitions. Second operand 3 states. [2019-09-09 03:10:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:19,184 INFO L93 Difference]: Finished difference Result 52080 states and 86109 transitions. [2019-09-09 03:10:19,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 03:10:19,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1167 [2019-09-09 03:10:19,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:19,307 INFO L225 Difference]: With dead ends: 52080 [2019-09-09 03:10:19,307 INFO L226 Difference]: Without dead ends: 26075 [2019-09-09 03:10:19,382 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 03:10:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26075 states. [2019-09-09 03:10:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26075 to 26059. [2019-09-09 03:10:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26059 states. [2019-09-09 03:10:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26059 states to 26059 states and 39393 transitions. [2019-09-09 03:10:20,511 INFO L78 Accepts]: Start accepts. Automaton has 26059 states and 39393 transitions. Word has length 1167 [2019-09-09 03:10:20,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:20,512 INFO L475 AbstractCegarLoop]: Abstraction has 26059 states and 39393 transitions. [2019-09-09 03:10:20,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 03:10:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 26059 states and 39393 transitions. [2019-09-09 03:10:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2019-09-09 03:10:20,548 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:20,549 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:20,549 INFO L418 AbstractCegarLoop]: === Iteration 50 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:20,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:20,549 INFO L82 PathProgramCache]: Analyzing trace with hash -21869186, now seen corresponding path program 1 times [2019-09-09 03:10:20,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:20,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:20,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:20,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:20,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2286 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2019-09-09 03:10:21,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:10:21,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-09 03:10:21,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-09 03:10:21,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-09 03:10:21,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-09-09 03:10:21,856 INFO L87 Difference]: Start difference. First operand 26059 states and 39393 transitions. Second operand 15 states. [2019-09-09 03:10:22,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:22,728 INFO L93 Difference]: Finished difference Result 52612 states and 86629 transitions. [2019-09-09 03:10:22,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 03:10:22,728 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1167 [2019-09-09 03:10:22,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:23,155 INFO L225 Difference]: With dead ends: 52612 [2019-09-09 03:10:23,155 INFO L226 Difference]: Without dead ends: 26591 [2019-09-09 03:10:23,210 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:10:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26591 states. [2019-09-09 03:10:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26591 to 26349. [2019-09-09 03:10:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26349 states. [2019-09-09 03:10:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26349 states to 26349 states and 39818 transitions. [2019-09-09 03:10:23,894 INFO L78 Accepts]: Start accepts. Automaton has 26349 states and 39818 transitions. Word has length 1167 [2019-09-09 03:10:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:23,895 INFO L475 AbstractCegarLoop]: Abstraction has 26349 states and 39818 transitions. [2019-09-09 03:10:23,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-09 03:10:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 26349 states and 39818 transitions. [2019-09-09 03:10:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1233 [2019-09-09 03:10:23,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:23,933 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:23,934 INFO L418 AbstractCegarLoop]: === Iteration 51 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:23,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:23,934 INFO L82 PathProgramCache]: Analyzing trace with hash 196265389, now seen corresponding path program 1 times [2019-09-09 03:10:23,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:23,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:23,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:23,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:23,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2344 trivial. 0 not checked. [2019-09-09 03:10:24,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:10:24,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:10:24,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:10:24,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:10:24,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:10:24,980 INFO L87 Difference]: Start difference. First operand 26349 states and 39818 transitions. Second operand 5 states. [2019-09-09 03:10:25,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:25,623 INFO L93 Difference]: Finished difference Result 52708 states and 86940 transitions. [2019-09-09 03:10:25,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 03:10:25,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1232 [2019-09-09 03:10:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:25,751 INFO L225 Difference]: With dead ends: 52708 [2019-09-09 03:10:25,751 INFO L226 Difference]: Without dead ends: 26397 [2019-09-09 03:10:25,825 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:10:25,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26397 states. [2019-09-09 03:10:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26397 to 26349. [2019-09-09 03:10:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26349 states. [2019-09-09 03:10:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26349 states to 26349 states and 39773 transitions. [2019-09-09 03:10:26,584 INFO L78 Accepts]: Start accepts. Automaton has 26349 states and 39773 transitions. Word has length 1232 [2019-09-09 03:10:26,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:26,585 INFO L475 AbstractCegarLoop]: Abstraction has 26349 states and 39773 transitions. [2019-09-09 03:10:26,585 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:10:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26349 states and 39773 transitions. [2019-09-09 03:10:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1653 [2019-09-09 03:10:26,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:26,630 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 20, 20, 19, 19, 19, 17, 17, 13, 13, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:26,630 INFO L418 AbstractCegarLoop]: === Iteration 52 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:26,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:26,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1189541863, now seen corresponding path program 1 times [2019-09-09 03:10:26,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:26,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:26,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:26,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:26,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4791 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 4778 trivial. 0 not checked. [2019-09-09 03:10:31,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:10:31,371 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:10:31,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:33,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 9938 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 03:10:33,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:10:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4791 backedges. 1813 proven. 1 refuted. 0 times theorem prover too weak. 2977 trivial. 0 not checked. [2019-09-09 03:10:34,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:10:34,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2019-09-09 03:10:34,007 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-09 03:10:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-09 03:10:34,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:10:34,008 INFO L87 Difference]: Start difference. First operand 26349 states and 39773 transitions. Second operand 11 states. [2019-09-09 03:10:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:34,808 INFO L93 Difference]: Finished difference Result 52788 states and 87194 transitions. [2019-09-09 03:10:34,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-09 03:10:34,809 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1652 [2019-09-09 03:10:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:34,935 INFO L225 Difference]: With dead ends: 52788 [2019-09-09 03:10:34,936 INFO L226 Difference]: Without dead ends: 26477 [2019-09-09 03:10:35,010 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1660 GetRequests, 1651 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:10:35,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26477 states. [2019-09-09 03:10:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26477 to 26461. [2019-09-09 03:10:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26461 states. [2019-09-09 03:10:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26461 states to 26461 states and 39893 transitions. [2019-09-09 03:10:35,753 INFO L78 Accepts]: Start accepts. Automaton has 26461 states and 39893 transitions. Word has length 1652 [2019-09-09 03:10:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:35,754 INFO L475 AbstractCegarLoop]: Abstraction has 26461 states and 39893 transitions. [2019-09-09 03:10:35,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-09 03:10:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 26461 states and 39893 transitions. [2019-09-09 03:10:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1689 [2019-09-09 03:10:35,805 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:35,806 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:35,806 INFO L418 AbstractCegarLoop]: === Iteration 53 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:35,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1316314775, now seen corresponding path program 1 times [2019-09-09 03:10:35,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:35,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:35,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:35,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:35,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5211 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 5204 trivial. 0 not checked. [2019-09-09 03:10:37,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:10:37,669 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:10:37,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:39,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 10057 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-09 03:10:39,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:10:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5211 backedges. 2028 proven. 4 refuted. 0 times theorem prover too weak. 3179 trivial. 0 not checked. [2019-09-09 03:10:40,416 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:10:40,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-09 03:10:40,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:10:40,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:10:40,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:10:40,420 INFO L87 Difference]: Start difference. First operand 26461 states and 39893 transitions. Second operand 8 states. [2019-09-09 03:10:41,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:41,165 INFO L93 Difference]: Finished difference Result 52964 states and 87394 transitions. [2019-09-09 03:10:41,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:10:41,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1688 [2019-09-09 03:10:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:41,305 INFO L225 Difference]: With dead ends: 52964 [2019-09-09 03:10:41,305 INFO L226 Difference]: Without dead ends: 26541 [2019-09-09 03:10:41,382 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1686 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:10:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26541 states. [2019-09-09 03:10:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26541 to 26525. [2019-09-09 03:10:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26525 states. [2019-09-09 03:10:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26525 states to 26525 states and 39973 transitions. [2019-09-09 03:10:42,118 INFO L78 Accepts]: Start accepts. Automaton has 26525 states and 39973 transitions. Word has length 1688 [2019-09-09 03:10:42,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:42,119 INFO L475 AbstractCegarLoop]: Abstraction has 26525 states and 39973 transitions. [2019-09-09 03:10:42,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:10:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 26525 states and 39973 transitions. [2019-09-09 03:10:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1703 [2019-09-09 03:10:42,170 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:42,171 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:42,171 INFO L418 AbstractCegarLoop]: === Iteration 54 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:42,172 INFO L82 PathProgramCache]: Analyzing trace with hash -679135886, now seen corresponding path program 1 times [2019-09-09 03:10:42,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:42,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:42,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:42,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:42,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4995 trivial. 0 not checked. [2019-09-09 03:10:43,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 03:10:43,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 03:10:43,883 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 03:10:43,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 03:10:43,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:10:43,884 INFO L87 Difference]: Start difference. First operand 26525 states and 39973 transitions. Second operand 5 states. [2019-09-09 03:10:44,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:44,546 INFO L93 Difference]: Finished difference Result 53028 states and 87211 transitions. [2019-09-09 03:10:44,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 03:10:44,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1702 [2019-09-09 03:10:44,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:44,675 INFO L225 Difference]: With dead ends: 53028 [2019-09-09 03:10:44,675 INFO L226 Difference]: Without dead ends: 26541 [2019-09-09 03:10:44,749 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 03:10:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26541 states. [2019-09-09 03:10:45,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26541 to 26541. [2019-09-09 03:10:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26541 states. [2019-09-09 03:10:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26541 states to 26541 states and 39989 transitions. [2019-09-09 03:10:45,499 INFO L78 Accepts]: Start accepts. Automaton has 26541 states and 39989 transitions. Word has length 1702 [2019-09-09 03:10:45,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:45,500 INFO L475 AbstractCegarLoop]: Abstraction has 26541 states and 39989 transitions. [2019-09-09 03:10:45,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 03:10:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 26541 states and 39989 transitions. [2019-09-09 03:10:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1644 [2019-09-09 03:10:45,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:45,546 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 13, 13, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:45,547 INFO L418 AbstractCegarLoop]: === Iteration 55 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -307057382, now seen corresponding path program 1 times [2019-09-09 03:10:45,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:45,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:45,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:45,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:45,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4776 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 4762 trivial. 0 not checked. [2019-09-09 03:10:49,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:10:49,979 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:10:50,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:51,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 9945 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-09 03:10:51,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:10:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4776 backedges. 1820 proven. 9 refuted. 0 times theorem prover too weak. 2947 trivial. 0 not checked. [2019-09-09 03:10:52,618 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:10:52,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-09-09 03:10:52,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 03:10:52,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 03:10:52,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:10:52,621 INFO L87 Difference]: Start difference. First operand 26541 states and 39989 transitions. Second operand 7 states. [2019-09-09 03:10:53,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:53,327 INFO L93 Difference]: Finished difference Result 53092 states and 87530 transitions. [2019-09-09 03:10:53,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 03:10:53,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1643 [2019-09-09 03:10:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:53,462 INFO L225 Difference]: With dead ends: 53092 [2019-09-09 03:10:53,463 INFO L226 Difference]: Without dead ends: 26589 [2019-09-09 03:10:53,537 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1648 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-09-09 03:10:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26589 states. [2019-09-09 03:10:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26589 to 26573. [2019-09-09 03:10:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26573 states. [2019-09-09 03:10:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26573 states to 26573 states and 40021 transitions. [2019-09-09 03:10:54,299 INFO L78 Accepts]: Start accepts. Automaton has 26573 states and 40021 transitions. Word has length 1643 [2019-09-09 03:10:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:10:54,300 INFO L475 AbstractCegarLoop]: Abstraction has 26573 states and 40021 transitions. [2019-09-09 03:10:54,300 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 03:10:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26573 states and 40021 transitions. [2019-09-09 03:10:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2019-09-09 03:10:54,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:10:54,350 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:10:54,351 INFO L418 AbstractCegarLoop]: === Iteration 56 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:10:54,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:10:54,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1590422023, now seen corresponding path program 1 times [2019-09-09 03:10:54,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:10:54,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:10:54,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:54,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:54,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:10:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5042 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked. [2019-09-09 03:10:56,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:10:56,211 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:10:56,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:10:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:10:57,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 10316 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-09 03:10:58,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:10:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5042 backedges. 1910 proven. 16 refuted. 0 times theorem prover too weak. 3116 trivial. 0 not checked. [2019-09-09 03:10:58,950 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:10:58,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-09-09 03:10:58,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 03:10:58,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 03:10:58,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:10:58,953 INFO L87 Difference]: Start difference. First operand 26573 states and 40021 transitions. Second operand 8 states. [2019-09-09 03:10:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:10:59,663 INFO L93 Difference]: Finished difference Result 53156 states and 87594 transitions. [2019-09-09 03:10:59,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 03:10:59,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1732 [2019-09-09 03:10:59,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:10:59,799 INFO L225 Difference]: With dead ends: 53156 [2019-09-09 03:10:59,799 INFO L226 Difference]: Without dead ends: 26621 [2019-09-09 03:10:59,873 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1738 GetRequests, 1732 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-09-09 03:10:59,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26621 states. [2019-09-09 03:11:00,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26621 to 26605. [2019-09-09 03:11:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26605 states. [2019-09-09 03:11:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26605 states to 26605 states and 40053 transitions. [2019-09-09 03:11:00,621 INFO L78 Accepts]: Start accepts. Automaton has 26605 states and 40053 transitions. Word has length 1732 [2019-09-09 03:11:00,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:00,621 INFO L475 AbstractCegarLoop]: Abstraction has 26605 states and 40053 transitions. [2019-09-09 03:11:00,622 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 03:11:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 26605 states and 40053 transitions. [2019-09-09 03:11:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1668 [2019-09-09 03:11:00,665 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:00,666 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 14, 14, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:00,666 INFO L418 AbstractCegarLoop]: === Iteration 57 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:00,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:00,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1158164104, now seen corresponding path program 1 times [2019-09-09 03:11:00,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:00,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:00,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:00,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:00,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5024 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 4994 trivial. 0 not checked. [2019-09-09 03:11:02,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:02,489 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:02,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:04,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 10033 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-09 03:11:04,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5024 backedges. 1935 proven. 25 refuted. 0 times theorem prover too weak. 3064 trivial. 0 not checked. [2019-09-09 03:11:05,264 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:05,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-09-09 03:11:05,266 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 03:11:05,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 03:11:05,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:11:05,267 INFO L87 Difference]: Start difference. First operand 26605 states and 40053 transitions. Second operand 9 states. [2019-09-09 03:11:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:05,988 INFO L93 Difference]: Finished difference Result 53220 states and 87658 transitions. [2019-09-09 03:11:05,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 03:11:05,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1667 [2019-09-09 03:11:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:06,123 INFO L225 Difference]: With dead ends: 53220 [2019-09-09 03:11:06,124 INFO L226 Difference]: Without dead ends: 26653 [2019-09-09 03:11:06,199 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1674 GetRequests, 1667 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-09-09 03:11:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2019-09-09 03:11:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 26637. [2019-09-09 03:11:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26637 states. [2019-09-09 03:11:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26637 states to 26637 states and 40085 transitions. [2019-09-09 03:11:06,950 INFO L78 Accepts]: Start accepts. Automaton has 26637 states and 40085 transitions. Word has length 1667 [2019-09-09 03:11:06,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:06,951 INFO L475 AbstractCegarLoop]: Abstraction has 26637 states and 40085 transitions. [2019-09-09 03:11:06,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 03:11:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 26637 states and 40085 transitions. [2019-09-09 03:11:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1757 [2019-09-09 03:11:06,996 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:06,997 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:06,997 INFO L418 AbstractCegarLoop]: === Iteration 58 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:06,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:06,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1681450599, now seen corresponding path program 1 times [2019-09-09 03:11:06,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:06,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:07,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:07,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:07,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5301 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 5260 trivial. 0 not checked. [2019-09-09 03:11:11,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:11,817 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:11,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:13,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 10404 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-09 03:11:13,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5301 backedges. 2028 proven. 36 refuted. 0 times theorem prover too weak. 3237 trivial. 0 not checked. [2019-09-09 03:11:14,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:14,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-09-09 03:11:14,616 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-09 03:11:14,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-09 03:11:14,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:11:14,617 INFO L87 Difference]: Start difference. First operand 26637 states and 40085 transitions. Second operand 10 states. [2019-09-09 03:11:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:15,380 INFO L93 Difference]: Finished difference Result 53284 states and 87722 transitions. [2019-09-09 03:11:15,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 03:11:15,382 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1756 [2019-09-09 03:11:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:15,517 INFO L225 Difference]: With dead ends: 53284 [2019-09-09 03:11:15,517 INFO L226 Difference]: Without dead ends: 26685 [2019-09-09 03:11:15,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1764 GetRequests, 1756 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-09-09 03:11:15,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26685 states. [2019-09-09 03:11:16,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26685 to 26669. [2019-09-09 03:11:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26669 states. [2019-09-09 03:11:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26669 states to 26669 states and 40117 transitions. [2019-09-09 03:11:16,344 INFO L78 Accepts]: Start accepts. Automaton has 26669 states and 40117 transitions. Word has length 1756 [2019-09-09 03:11:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:16,345 INFO L475 AbstractCegarLoop]: Abstraction has 26669 states and 40117 transitions. [2019-09-09 03:11:16,345 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-09 03:11:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 26669 states and 40117 transitions. [2019-09-09 03:11:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1761 [2019-09-09 03:11:16,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:16,391 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:16,391 INFO L418 AbstractCegarLoop]: === Iteration 59 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:16,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:16,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1444901339, now seen corresponding path program 1 times [2019-09-09 03:11:16,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:16,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:16,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:16,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:16,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5327 backedges. 5 proven. 49 refuted. 0 times theorem prover too weak. 5273 trivial. 0 not checked. [2019-09-09 03:11:18,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:18,498 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:18,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:20,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 10419 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-09 03:11:20,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5327 backedges. 2028 proven. 49 refuted. 0 times theorem prover too weak. 3250 trivial. 0 not checked. [2019-09-09 03:11:21,429 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:21,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-09-09 03:11:21,432 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-09 03:11:21,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-09 03:11:21,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:11:21,432 INFO L87 Difference]: Start difference. First operand 26669 states and 40117 transitions. Second operand 11 states. [2019-09-09 03:11:22,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:22,216 INFO L93 Difference]: Finished difference Result 53348 states and 87786 transitions. [2019-09-09 03:11:22,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-09 03:11:22,217 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1760 [2019-09-09 03:11:22,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:22,354 INFO L225 Difference]: With dead ends: 53348 [2019-09-09 03:11:22,354 INFO L226 Difference]: Without dead ends: 26717 [2019-09-09 03:11:22,428 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1769 GetRequests, 1760 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-09-09 03:11:22,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26717 states. [2019-09-09 03:11:23,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26717 to 26701. [2019-09-09 03:11:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26701 states. [2019-09-09 03:11:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26701 states to 26701 states and 40149 transitions. [2019-09-09 03:11:23,178 INFO L78 Accepts]: Start accepts. Automaton has 26701 states and 40149 transitions. Word has length 1760 [2019-09-09 03:11:23,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:23,179 INFO L475 AbstractCegarLoop]: Abstraction has 26701 states and 40149 transitions. [2019-09-09 03:11:23,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-09 03:11:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 26701 states and 40149 transitions. [2019-09-09 03:11:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1664 [2019-09-09 03:11:23,223 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:23,224 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 13, 13, 10, 10, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:23,224 INFO L418 AbstractCegarLoop]: === Iteration 60 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1794368666, now seen corresponding path program 2 times [2019-09-09 03:11:23,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:23,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:23,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:23,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:23,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4886 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 4817 trivial. 0 not checked. [2019-09-09 03:11:25,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:25,229 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:25,255 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:11:28,825 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:11:28,825 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:11:28,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 10035 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-09 03:11:28,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4886 backedges. 1820 proven. 64 refuted. 0 times theorem prover too weak. 3002 trivial. 0 not checked. [2019-09-09 03:11:29,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:29,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-09-09 03:11:29,915 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-09 03:11:29,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-09 03:11:29,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-09-09 03:11:29,915 INFO L87 Difference]: Start difference. First operand 26701 states and 40149 transitions. Second operand 12 states. [2019-09-09 03:11:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:30,851 INFO L93 Difference]: Finished difference Result 53412 states and 87850 transitions. [2019-09-09 03:11:30,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-09 03:11:30,852 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1663 [2019-09-09 03:11:30,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:30,988 INFO L225 Difference]: With dead ends: 53412 [2019-09-09 03:11:30,989 INFO L226 Difference]: Without dead ends: 26749 [2019-09-09 03:11:31,062 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1673 GetRequests, 1663 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-09-09 03:11:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26749 states. [2019-09-09 03:11:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26749 to 26733. [2019-09-09 03:11:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26733 states. [2019-09-09 03:11:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26733 states to 26733 states and 40181 transitions. [2019-09-09 03:11:31,817 INFO L78 Accepts]: Start accepts. Automaton has 26733 states and 40181 transitions. Word has length 1663 [2019-09-09 03:11:31,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:31,818 INFO L475 AbstractCegarLoop]: Abstraction has 26733 states and 40181 transitions. [2019-09-09 03:11:31,818 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-09 03:11:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 26733 states and 40181 transitions. [2019-09-09 03:11:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1769 [2019-09-09 03:11:31,863 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:31,864 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:31,864 INFO L418 AbstractCegarLoop]: === Iteration 61 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:31,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:31,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1558172951, now seen corresponding path program 1 times [2019-09-09 03:11:31,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:31,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:31,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:31,868 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:11:31,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5391 backedges. 5 proven. 81 refuted. 0 times theorem prover too weak. 5305 trivial. 0 not checked. [2019-09-09 03:11:33,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:33,898 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:33,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:35,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 10455 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-09 03:11:35,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5391 backedges. 2028 proven. 81 refuted. 0 times theorem prover too weak. 3282 trivial. 0 not checked. [2019-09-09 03:11:36,743 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:36,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-09-09 03:11:36,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-09 03:11:36,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-09 03:11:36,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-09-09 03:11:36,746 INFO L87 Difference]: Start difference. First operand 26733 states and 40181 transitions. Second operand 13 states. [2019-09-09 03:11:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:37,544 INFO L93 Difference]: Finished difference Result 53476 states and 87914 transitions. [2019-09-09 03:11:37,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-09 03:11:37,546 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 1768 [2019-09-09 03:11:37,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:37,688 INFO L225 Difference]: With dead ends: 53476 [2019-09-09 03:11:37,688 INFO L226 Difference]: Without dead ends: 26781 [2019-09-09 03:11:37,762 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1779 GetRequests, 1768 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-09-09 03:11:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26781 states. [2019-09-09 03:11:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26781 to 26765. [2019-09-09 03:11:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26765 states. [2019-09-09 03:11:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26765 states to 26765 states and 40213 transitions. [2019-09-09 03:11:38,524 INFO L78 Accepts]: Start accepts. Automaton has 26765 states and 40213 transitions. Word has length 1768 [2019-09-09 03:11:38,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:38,525 INFO L475 AbstractCegarLoop]: Abstraction has 26765 states and 40213 transitions. [2019-09-09 03:11:38,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-09 03:11:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 26765 states and 40213 transitions. [2019-09-09 03:11:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1773 [2019-09-09 03:11:38,570 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:38,571 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:38,571 INFO L418 AbstractCegarLoop]: === Iteration 62 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:38,572 INFO L82 PathProgramCache]: Analyzing trace with hash 825027877, now seen corresponding path program 2 times [2019-09-09 03:11:38,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:38,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:38,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:38,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:11:38,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5429 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 5324 trivial. 0 not checked. [2019-09-09 03:11:43,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:43,759 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:43,784 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:11:47,431 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:11:47,431 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:11:47,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 10473 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-09 03:11:47,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:11:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5429 backedges. 2028 proven. 100 refuted. 0 times theorem prover too weak. 3301 trivial. 0 not checked. [2019-09-09 03:11:48,518 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:11:48,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2019-09-09 03:11:48,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-09 03:11:48,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-09 03:11:48,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2019-09-09 03:11:48,520 INFO L87 Difference]: Start difference. First operand 26765 states and 40213 transitions. Second operand 14 states. [2019-09-09 03:11:49,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:11:49,355 INFO L93 Difference]: Finished difference Result 53540 states and 87978 transitions. [2019-09-09 03:11:49,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-09 03:11:49,356 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1772 [2019-09-09 03:11:49,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:11:49,495 INFO L225 Difference]: With dead ends: 53540 [2019-09-09 03:11:49,495 INFO L226 Difference]: Without dead ends: 26813 [2019-09-09 03:11:49,584 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1784 GetRequests, 1772 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2019-09-09 03:11:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26813 states. [2019-09-09 03:11:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26813 to 26797. [2019-09-09 03:11:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26797 states. [2019-09-09 03:11:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26797 states to 26797 states and 40245 transitions. [2019-09-09 03:11:50,331 INFO L78 Accepts]: Start accepts. Automaton has 26797 states and 40245 transitions. Word has length 1772 [2019-09-09 03:11:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:11:50,332 INFO L475 AbstractCegarLoop]: Abstraction has 26797 states and 40245 transitions. [2019-09-09 03:11:50,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-09 03:11:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 26797 states and 40245 transitions. [2019-09-09 03:11:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2019-09-09 03:11:50,373 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:11:50,374 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 13, 13, 11, 11, 11, 11, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:11:50,374 INFO L418 AbstractCegarLoop]: === Iteration 63 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:11:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:11:50,375 INFO L82 PathProgramCache]: Analyzing trace with hash -814112486, now seen corresponding path program 3 times [2019-09-09 03:11:50,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:11:50,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:11:50,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:50,378 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:11:50,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:11:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:11:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 5 proven. 121 refuted. 0 times theorem prover too weak. 4874 trivial. 0 not checked. [2019-09-09 03:11:52,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:11:52,272 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:11:52,298 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-09 03:12:27,787 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-09-09 03:12:27,788 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:12:27,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 5293 conjuncts, 44 conjunts are in the unsatisfiable core [2019-09-09 03:12:27,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:12:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 1144 proven. 3 refuted. 0 times theorem prover too weak. 3853 trivial. 0 not checked. [2019-09-09 03:12:29,316 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:12:29,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2019-09-09 03:12:29,318 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-09 03:12:29,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-09 03:12:29,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2019-09-09 03:12:29,319 INFO L87 Difference]: Start difference. First operand 26797 states and 40245 transitions. Second operand 23 states. [2019-09-09 03:12:30,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:12:30,869 INFO L93 Difference]: Finished difference Result 53814 states and 88458 transitions. [2019-09-09 03:12:30,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-09 03:12:30,869 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1675 [2019-09-09 03:12:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:12:31,013 INFO L225 Difference]: With dead ends: 53814 [2019-09-09 03:12:31,013 INFO L226 Difference]: Without dead ends: 26845 [2019-09-09 03:12:31,090 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1668 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2019-09-09 03:12:31,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26845 states. [2019-09-09 03:12:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26845 to 26829. [2019-09-09 03:12:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26829 states. [2019-09-09 03:12:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26829 states to 26829 states and 40271 transitions. [2019-09-09 03:12:31,863 INFO L78 Accepts]: Start accepts. Automaton has 26829 states and 40271 transitions. Word has length 1675 [2019-09-09 03:12:31,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:12:31,863 INFO L475 AbstractCegarLoop]: Abstraction has 26829 states and 40271 transitions. [2019-09-09 03:12:31,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-09 03:12:31,864 INFO L276 IsEmpty]: Start isEmpty. Operand 26829 states and 40271 transitions. [2019-09-09 03:12:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1684 [2019-09-09 03:12:31,908 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:12:31,909 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 13, 13, 12, 12, 12, 12, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:12:31,909 INFO L418 AbstractCegarLoop]: === Iteration 64 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:12:31,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:12:31,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1515673431, now seen corresponding path program 1 times [2019-09-09 03:12:31,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:12:31,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:12:31,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:31,914 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:12:31,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 5 proven. 144 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2019-09-09 03:12:34,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:12:34,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:12:34,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:35,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 10123 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-09 03:12:35,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:12:37,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 1823 proven. 144 refuted. 0 times theorem prover too weak. 3085 trivial. 0 not checked. [2019-09-09 03:12:37,047 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:12:37,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2019-09-09 03:12:37,050 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-09 03:12:37,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-09 03:12:37,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-09-09 03:12:37,050 INFO L87 Difference]: Start difference. First operand 26829 states and 40271 transitions. Second operand 16 states. [2019-09-09 03:12:37,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:12:37,939 INFO L93 Difference]: Finished difference Result 53668 states and 88094 transitions. [2019-09-09 03:12:37,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 03:12:37,940 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1683 [2019-09-09 03:12:37,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:12:38,083 INFO L225 Difference]: With dead ends: 53668 [2019-09-09 03:12:38,083 INFO L226 Difference]: Without dead ends: 26877 [2019-09-09 03:12:38,160 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1697 GetRequests, 1683 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-09-09 03:12:38,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26877 states. [2019-09-09 03:12:38,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26877 to 26861. [2019-09-09 03:12:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26861 states. [2019-09-09 03:12:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26861 states to 26861 states and 40303 transitions. [2019-09-09 03:12:38,934 INFO L78 Accepts]: Start accepts. Automaton has 26861 states and 40303 transitions. Word has length 1683 [2019-09-09 03:12:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:12:38,935 INFO L475 AbstractCegarLoop]: Abstraction has 26861 states and 40303 transitions. [2019-09-09 03:12:38,935 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-09 03:12:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 26861 states and 40303 transitions. [2019-09-09 03:12:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1704 [2019-09-09 03:12:38,980 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:12:38,981 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 14, 14, 14, 14, 13, 13, 13, 13, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:12:38,981 INFO L418 AbstractCegarLoop]: === Iteration 65 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:12:38,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:12:38,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1672984901, now seen corresponding path program 1 times [2019-09-09 03:12:38,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:12:38,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:12:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:38,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5318 backedges. 5 proven. 169 refuted. 0 times theorem prover too weak. 5144 trivial. 0 not checked. [2019-09-09 03:12:41,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:12:41,026 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:12:41,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:42,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 10193 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-09 03:12:42,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:12:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5318 backedges. 1938 proven. 169 refuted. 0 times theorem prover too weak. 3211 trivial. 0 not checked. [2019-09-09 03:12:43,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:12:43,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2019-09-09 03:12:43,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-09 03:12:43,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-09 03:12:43,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2019-09-09 03:12:43,799 INFO L87 Difference]: Start difference. First operand 26861 states and 40303 transitions. Second operand 17 states. [2019-09-09 03:12:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:12:44,675 INFO L93 Difference]: Finished difference Result 53732 states and 88158 transitions. [2019-09-09 03:12:44,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-09 03:12:44,677 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1703 [2019-09-09 03:12:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:12:44,825 INFO L225 Difference]: With dead ends: 53732 [2019-09-09 03:12:44,826 INFO L226 Difference]: Without dead ends: 26909 [2019-09-09 03:12:44,901 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1718 GetRequests, 1703 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2019-09-09 03:12:44,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26909 states. [2019-09-09 03:12:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26909 to 26893. [2019-09-09 03:12:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26893 states. [2019-09-09 03:12:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26893 states to 26893 states and 40335 transitions. [2019-09-09 03:12:45,680 INFO L78 Accepts]: Start accepts. Automaton has 26893 states and 40335 transitions. Word has length 1703 [2019-09-09 03:12:45,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:12:45,681 INFO L475 AbstractCegarLoop]: Abstraction has 26893 states and 40335 transitions. [2019-09-09 03:12:45,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-09 03:12:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 26893 states and 40335 transitions. [2019-09-09 03:12:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1777 [2019-09-09 03:12:45,728 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:12:45,728 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 14, 14, 14, 14, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:12:45,729 INFO L418 AbstractCegarLoop]: === Iteration 66 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:12:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:12:45,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1667783990, now seen corresponding path program 1 times [2019-09-09 03:12:45,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:12:45,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:12:45,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:45,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:45,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 5 proven. 196 refuted. 0 times theorem prover too weak. 5207 trivial. 0 not checked. [2019-09-09 03:12:51,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:12:51,227 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:12:51,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:53,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 10512 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-09 03:12:53,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:12:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 1913 proven. 196 refuted. 0 times theorem prover too weak. 3299 trivial. 0 not checked. [2019-09-09 03:12:54,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:12:54,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2019-09-09 03:12:54,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-09 03:12:54,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-09 03:12:54,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:12:54,113 INFO L87 Difference]: Start difference. First operand 26893 states and 40335 transitions. Second operand 18 states. [2019-09-09 03:12:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:12:55,029 INFO L93 Difference]: Finished difference Result 53796 states and 88222 transitions. [2019-09-09 03:12:55,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-09 03:12:55,031 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1776 [2019-09-09 03:12:55,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:12:55,178 INFO L225 Difference]: With dead ends: 53796 [2019-09-09 03:12:55,178 INFO L226 Difference]: Without dead ends: 26941 [2019-09-09 03:12:55,253 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1792 GetRequests, 1776 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2019-09-09 03:12:55,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26941 states. [2019-09-09 03:12:56,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26941 to 26925. [2019-09-09 03:12:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26925 states. [2019-09-09 03:12:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26925 states to 26925 states and 40367 transitions. [2019-09-09 03:12:56,263 INFO L78 Accepts]: Start accepts. Automaton has 26925 states and 40367 transitions. Word has length 1776 [2019-09-09 03:12:56,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:12:56,264 INFO L475 AbstractCegarLoop]: Abstraction has 26925 states and 40367 transitions. [2019-09-09 03:12:56,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-09 03:12:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 26925 states and 40367 transitions. [2019-09-09 03:12:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1781 [2019-09-09 03:12:56,311 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:12:56,312 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 15, 15, 15, 15, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:12:56,312 INFO L418 AbstractCegarLoop]: === Iteration 67 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:12:56,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:12:56,313 INFO L82 PathProgramCache]: Analyzing trace with hash -903501324, now seen corresponding path program 1 times [2019-09-09 03:12:56,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:12:56,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:12:56,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:56,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:12:56,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:12:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:12:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5466 backedges. 5 proven. 225 refuted. 0 times theorem prover too weak. 5236 trivial. 0 not checked. [2019-09-09 03:12:58,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:12:58,397 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:12:58,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:00,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 10527 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-09 03:13:00,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:13:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5466 backedges. 1913 proven. 225 refuted. 0 times theorem prover too weak. 3328 trivial. 0 not checked. [2019-09-09 03:13:01,343 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:13:01,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2019-09-09 03:13:01,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-09 03:13:01,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-09 03:13:01,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-09-09 03:13:01,351 INFO L87 Difference]: Start difference. First operand 26925 states and 40367 transitions. Second operand 19 states. [2019-09-09 03:13:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:13:02,395 INFO L93 Difference]: Finished difference Result 53860 states and 88286 transitions. [2019-09-09 03:13:02,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-09 03:13:02,396 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1780 [2019-09-09 03:13:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:13:02,522 INFO L225 Difference]: With dead ends: 53860 [2019-09-09 03:13:02,523 INFO L226 Difference]: Without dead ends: 26973 [2019-09-09 03:13:02,581 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1797 GetRequests, 1780 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-09-09 03:13:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26973 states. [2019-09-09 03:13:03,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26973 to 26957. [2019-09-09 03:13:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26957 states. [2019-09-09 03:13:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26957 states to 26957 states and 40399 transitions. [2019-09-09 03:13:03,342 INFO L78 Accepts]: Start accepts. Automaton has 26957 states and 40399 transitions. Word has length 1780 [2019-09-09 03:13:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:13:03,343 INFO L475 AbstractCegarLoop]: Abstraction has 26957 states and 40399 transitions. [2019-09-09 03:13:03,343 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-09 03:13:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 26957 states and 40399 transitions. [2019-09-09 03:13:03,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2019-09-09 03:13:03,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:13:03,390 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 16, 16, 16, 16, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:13:03,390 INFO L418 AbstractCegarLoop]: === Iteration 68 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:13:03,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:13:03,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1001765304, now seen corresponding path program 1 times [2019-09-09 03:13:03,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:13:03,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:13:03,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:03,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:03,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5528 backedges. 5 proven. 256 refuted. 0 times theorem prover too weak. 5267 trivial. 0 not checked. [2019-09-09 03:13:05,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:13:05,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:13:05,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:07,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 10545 conjuncts, 18 conjunts are in the unsatisfiable core [2019-09-09 03:13:07,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:13:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5528 backedges. 1913 proven. 256 refuted. 0 times theorem prover too weak. 3359 trivial. 0 not checked. [2019-09-09 03:13:08,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:13:08,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2019-09-09 03:13:08,614 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-09 03:13:08,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-09 03:13:08,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2019-09-09 03:13:08,614 INFO L87 Difference]: Start difference. First operand 26957 states and 40399 transitions. Second operand 20 states. [2019-09-09 03:13:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:13:09,573 INFO L93 Difference]: Finished difference Result 53924 states and 88350 transitions. [2019-09-09 03:13:09,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-09 03:13:09,575 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1784 [2019-09-09 03:13:09,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:13:09,723 INFO L225 Difference]: With dead ends: 53924 [2019-09-09 03:13:09,723 INFO L226 Difference]: Without dead ends: 27005 [2019-09-09 03:13:09,807 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1802 GetRequests, 1784 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2019-09-09 03:13:09,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27005 states. [2019-09-09 03:13:10,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27005 to 26989. [2019-09-09 03:13:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26989 states. [2019-09-09 03:13:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26989 states to 26989 states and 40431 transitions. [2019-09-09 03:13:10,587 INFO L78 Accepts]: Start accepts. Automaton has 26989 states and 40431 transitions. Word has length 1784 [2019-09-09 03:13:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:13:10,588 INFO L475 AbstractCegarLoop]: Abstraction has 26989 states and 40431 transitions. [2019-09-09 03:13:10,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-09 03:13:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 26989 states and 40431 transitions. [2019-09-09 03:13:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1805 [2019-09-09 03:13:10,635 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:13:10,635 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 20, 20, 17, 17, 17, 17, 17, 17, 15, 15, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:13:10,635 INFO L418 AbstractCegarLoop]: === Iteration 69 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:13:10,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:13:10,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1495721374, now seen corresponding path program 1 times [2019-09-09 03:13:10,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:13:10,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:13:10,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:10,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:10,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5813 backedges. 5 proven. 289 refuted. 0 times theorem prover too weak. 5519 trivial. 0 not checked. [2019-09-09 03:13:12,928 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:13:12,928 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:13:12,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:14,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 10615 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-09 03:13:14,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:13:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5813 backedges. 2031 proven. 289 refuted. 0 times theorem prover too weak. 3493 trivial. 0 not checked. [2019-09-09 03:13:15,872 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:13:15,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 21 [2019-09-09 03:13:15,874 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-09 03:13:15,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-09 03:13:15,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-09-09 03:13:15,875 INFO L87 Difference]: Start difference. First operand 26989 states and 40431 transitions. Second operand 21 states. [2019-09-09 03:13:16,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:13:16,851 INFO L93 Difference]: Finished difference Result 53988 states and 88414 transitions. [2019-09-09 03:13:16,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-09 03:13:16,853 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1804 [2019-09-09 03:13:16,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:13:17,006 INFO L225 Difference]: With dead ends: 53988 [2019-09-09 03:13:17,006 INFO L226 Difference]: Without dead ends: 27037 [2019-09-09 03:13:17,081 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1823 GetRequests, 1804 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-09-09 03:13:17,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27037 states. [2019-09-09 03:13:17,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27037 to 27021. [2019-09-09 03:13:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27021 states. [2019-09-09 03:13:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27021 states to 27021 states and 40463 transitions. [2019-09-09 03:13:17,888 INFO L78 Accepts]: Start accepts. Automaton has 27021 states and 40463 transitions. Word has length 1804 [2019-09-09 03:13:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:13:17,889 INFO L475 AbstractCegarLoop]: Abstraction has 27021 states and 40463 transitions. [2019-09-09 03:13:17,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-09 03:13:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27021 states and 40463 transitions. [2019-09-09 03:13:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1793 [2019-09-09 03:13:18,159 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:13:18,160 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 18, 18, 18, 18, 17, 17, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:13:18,160 INFO L418 AbstractCegarLoop]: === Iteration 70 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:13:18,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:13:18,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1045270218, now seen corresponding path program 2 times [2019-09-09 03:13:18,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:13:18,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:13:18,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:18,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 03:13:18,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5664 backedges. 5 proven. 324 refuted. 0 times theorem prover too weak. 5335 trivial. 0 not checked. [2019-09-09 03:13:23,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:13:23,825 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:13:23,850 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:13:27,593 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:13:27,594 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:13:27,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 10584 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-09 03:13:27,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:13:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5664 backedges. 1913 proven. 324 refuted. 0 times theorem prover too weak. 3427 trivial. 0 not checked. [2019-09-09 03:13:28,645 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:13:28,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2019-09-09 03:13:28,647 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-09 03:13:28,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-09 03:13:28,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-09-09 03:13:28,648 INFO L87 Difference]: Start difference. First operand 27021 states and 40463 transitions. Second operand 22 states. [2019-09-09 03:13:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:13:29,622 INFO L93 Difference]: Finished difference Result 54052 states and 88478 transitions. [2019-09-09 03:13:29,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-09 03:13:29,623 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1792 [2019-09-09 03:13:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:13:29,776 INFO L225 Difference]: With dead ends: 54052 [2019-09-09 03:13:29,776 INFO L226 Difference]: Without dead ends: 27069 [2019-09-09 03:13:29,850 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1812 GetRequests, 1792 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-09-09 03:13:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27069 states. [2019-09-09 03:13:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27069 to 27053. [2019-09-09 03:13:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27053 states. [2019-09-09 03:13:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27053 states to 27053 states and 40495 transitions. [2019-09-09 03:13:30,823 INFO L78 Accepts]: Start accepts. Automaton has 27053 states and 40495 transitions. Word has length 1792 [2019-09-09 03:13:30,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:13:30,824 INFO L475 AbstractCegarLoop]: Abstraction has 27053 states and 40495 transitions. [2019-09-09 03:13:30,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-09 03:13:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27053 states and 40495 transitions. [2019-09-09 03:13:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2019-09-09 03:13:30,869 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:13:30,869 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 19, 19, 19, 19, 14, 14, 13, 13, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:13:30,870 INFO L418 AbstractCegarLoop]: === Iteration 71 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:13:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:13:30,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1521981993, now seen corresponding path program 2 times [2019-09-09 03:13:30,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:13:30,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:13:30,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:30,873 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:13:30,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5486 backedges. 5 proven. 361 refuted. 0 times theorem prover too weak. 5120 trivial. 0 not checked. [2019-09-09 03:13:32,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:13:32,893 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:13:32,917 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-09 03:13:36,726 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-09 03:13:36,727 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-09 03:13:36,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 10249 conjuncts, 21 conjunts are in the unsatisfiable core [2019-09-09 03:13:36,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 03:13:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5486 backedges. 1823 proven. 361 refuted. 0 times theorem prover too weak. 3302 trivial. 0 not checked. [2019-09-09 03:13:37,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-09 03:13:37,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2019-09-09 03:13:37,866 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-09 03:13:37,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-09 03:13:37,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2019-09-09 03:13:37,866 INFO L87 Difference]: Start difference. First operand 27053 states and 40495 transitions. Second operand 23 states. [2019-09-09 03:13:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 03:13:38,957 INFO L93 Difference]: Finished difference Result 54116 states and 88542 transitions. [2019-09-09 03:13:38,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-09 03:13:38,959 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1711 [2019-09-09 03:13:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 03:13:39,110 INFO L225 Difference]: With dead ends: 54116 [2019-09-09 03:13:39,110 INFO L226 Difference]: Without dead ends: 27101 [2019-09-09 03:13:39,187 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1732 GetRequests, 1711 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2019-09-09 03:13:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27101 states. [2019-09-09 03:13:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27101 to 27085. [2019-09-09 03:13:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27085 states. [2019-09-09 03:13:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27085 states to 27085 states and 40527 transitions. [2019-09-09 03:13:40,287 INFO L78 Accepts]: Start accepts. Automaton has 27085 states and 40527 transitions. Word has length 1711 [2019-09-09 03:13:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 03:13:40,288 INFO L475 AbstractCegarLoop]: Abstraction has 27085 states and 40527 transitions. [2019-09-09 03:13:40,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-09 03:13:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27085 states and 40527 transitions. [2019-09-09 03:13:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2019-09-09 03:13:40,334 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 03:13:40,335 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 17, 17, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 03:13:40,335 INFO L418 AbstractCegarLoop]: === Iteration 72 === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 03:13:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 03:13:40,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1564640840, now seen corresponding path program 2 times [2019-09-09 03:13:40,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-09 03:13:40,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-09 03:13:40,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:40,340 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-09 03:13:40,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 03:13:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 03:13:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5816 backedges. 5 proven. 400 refuted. 0 times theorem prover too weak. 5411 trivial. 0 not checked. [2019-09-09 03:13:42,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 03:13:42,799 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 03:13:42,822 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1