./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:03:51,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:03:51,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:03:51,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:03:51,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:03:51,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:03:51,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:03:51,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:03:51,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:03:51,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:03:51,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:03:51,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:03:51,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:03:51,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:03:51,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:03:51,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:03:51,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:03:51,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:03:51,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:03:51,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:03:51,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:03:51,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:03:51,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:03:51,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:03:51,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:03:51,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:03:51,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:03:51,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:03:51,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:03:51,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:03:51,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:03:51,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:03:51,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:03:51,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:03:51,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:03:51,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:03:51,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:03:51,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:03:51,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:03:51,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:03:51,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:03:51,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:03:51,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:03:51,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:03:51,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:03:51,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:03:51,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:03:51,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:03:51,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:03:51,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:03:51,871 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:03:51,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:03:51,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:03:51,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:03:51,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:03:51,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:03:51,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:03:51,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:03:51,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:03:51,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:03:51,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:03:51,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:03:51,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:03:51,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:03:51,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:03:51,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:03:51,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:03:51,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:03:51,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:03:51,876 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:03:51,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:03:51,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:03:51,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:03:51,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2021-12-14 19:03:52,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:03:52,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:03:52,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:03:52,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:03:52,125 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:03:52,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-14 19:03:52,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89e287ab/471736e4187b458d921cbeb6c28908cc/FLAGce653a663 [2021-12-14 19:03:53,060 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:03:53,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-14 19:03:53,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89e287ab/471736e4187b458d921cbeb6c28908cc/FLAGce653a663 [2021-12-14 19:03:53,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89e287ab/471736e4187b458d921cbeb6c28908cc [2021-12-14 19:03:53,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:03:53,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:03:53,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:03:53,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:03:53,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:03:53,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:03:53" (1/1) ... [2021-12-14 19:03:53,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef9ba1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:53, skipping insertion in model container [2021-12-14 19:03:53,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:03:53" (1/1) ... [2021-12-14 19:03:53,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:03:53,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:03:55,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2021-12-14 19:03:55,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:03:55,653 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:03:56,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2021-12-14 19:03:56,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:03:56,228 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:03:56,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56 WrapperNode [2021-12-14 19:03:56,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:03:56,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:03:56,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:03:56,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:03:56,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,543 INFO L137 Inliner]: procedures = 414, calls = 2180, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5648 [2021-12-14 19:03:56,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:03:56,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:03:56,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:03:56,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:03:56,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:03:56,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:03:56,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:03:56,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:03:56,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (1/1) ... [2021-12-14 19:03:56,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:03:56,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:03:56,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 19:03:56,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 19:03:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:03:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:03:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 19:03:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 19:03:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 19:03:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 19:03:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:03:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:03:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2021-12-14 19:03:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2021-12-14 19:03:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 19:03:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 19:03:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:03:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:03:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 19:03:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 19:03:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2021-12-14 19:03:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2021-12-14 19:03:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2021-12-14 19:03:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2021-12-14 19:03:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 19:03:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 19:03:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2021-12-14 19:03:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2021-12-14 19:03:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:03:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:03:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:03:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:03:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 19:03:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 19:03:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:03:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:03:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-14 19:03:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-14 19:03:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 19:03:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 19:03:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:03:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2021-12-14 19:03:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2021-12-14 19:03:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 19:03:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 19:03:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-14 19:03:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-14 19:03:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:03:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:03:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:03:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-14 19:03:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-14 19:03:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:03:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:03:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 19:03:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 19:03:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:03:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:03:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:03:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:03:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:03:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:03:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2021-12-14 19:03:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2021-12-14 19:03:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:03:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:03:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-14 19:03:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-14 19:03:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2021-12-14 19:03:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2021-12-14 19:03:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:03:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:03:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2021-12-14 19:03:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2021-12-14 19:03:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2021-12-14 19:03:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2021-12-14 19:03:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:03:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-14 19:03:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-14 19:03:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2021-12-14 19:03:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2021-12-14 19:03:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:03:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:03:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:03:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:03:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:03:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2021-12-14 19:03:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2021-12-14 19:03:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:03:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-14 19:03:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-14 19:03:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:03:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:03:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:03:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:03:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:03:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:03:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-14 19:03:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-14 19:03:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-14 19:03:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-14 19:03:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:03:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:03:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 19:03:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 19:03:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-14 19:03:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-14 19:03:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:03:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:03:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:03:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:03:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-14 19:03:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-14 19:03:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2021-12-14 19:03:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2021-12-14 19:03:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 19:03:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 19:03:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2021-12-14 19:03:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2021-12-14 19:03:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2021-12-14 19:03:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2021-12-14 19:03:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2021-12-14 19:03:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2021-12-14 19:03:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:03:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:03:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2021-12-14 19:03:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2021-12-14 19:03:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2021-12-14 19:03:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2021-12-14 19:03:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2021-12-14 19:03:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2021-12-14 19:03:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2021-12-14 19:03:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2021-12-14 19:03:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2021-12-14 19:03:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2021-12-14 19:03:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2021-12-14 19:03:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2021-12-14 19:03:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2021-12-14 19:03:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2021-12-14 19:03:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:03:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:03:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 19:03:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 19:03:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2021-12-14 19:03:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2021-12-14 19:03:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:03:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-14 19:03:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-14 19:03:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 19:03:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 19:03:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:03:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:03:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-12-14 19:03:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-12-14 19:03:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:03:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2021-12-14 19:03:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2021-12-14 19:03:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-12-14 19:03:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-12-14 19:03:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:03:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2021-12-14 19:03:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2021-12-14 19:03:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2021-12-14 19:03:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2021-12-14 19:03:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:03:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:03:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 19:03:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 19:03:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2021-12-14 19:03:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2021-12-14 19:03:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:03:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:03:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2021-12-14 19:03:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2021-12-14 19:03:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-12-14 19:03:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-12-14 19:03:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:03:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:03:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2021-12-14 19:03:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2021-12-14 19:03:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:03:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:03:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 19:03:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 19:03:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:03:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:03:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:03:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:03:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2021-12-14 19:03:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2021-12-14 19:03:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:03:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:03:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:03:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:03:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:03:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:03:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:03:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2021-12-14 19:03:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2021-12-14 19:03:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 19:03:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 19:03:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2021-12-14 19:03:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2021-12-14 19:03:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2021-12-14 19:03:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2021-12-14 19:03:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2021-12-14 19:03:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2021-12-14 19:03:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 19:03:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 19:03:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-12-14 19:03:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-12-14 19:03:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:03:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:03:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-14 19:03:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-14 19:03:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-14 19:03:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-14 19:03:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:03:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:03:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:03:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 19:03:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 19:03:57,792 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:03:57,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:03:57,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:04:03,326 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:04:03,341 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:04:03,342 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 19:04:03,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:04:03 BoogieIcfgContainer [2021-12-14 19:04:03,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:04:03,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:04:03,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:04:03,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:04:03,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:03:53" (1/3) ... [2021-12-14 19:04:03,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c50e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:04:03, skipping insertion in model container [2021-12-14 19:04:03,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:56" (2/3) ... [2021-12-14 19:04:03,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c50e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:04:03, skipping insertion in model container [2021-12-14 19:04:03,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:04:03" (3/3) ... [2021-12-14 19:04:03,356 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-14 19:04:03,360 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:04:03,360 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 19:04:03,412 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:04:03,419 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 19:04:03,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 19:04:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1307 states have (on average 1.2448355011476664) internal successors, (1627), 1334 states have internal predecessors, (1627), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) [2021-12-14 19:04:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-14 19:04:03,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:03,486 INFO L514 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] [2021-12-14 19:04:03,486 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:03,491 INFO L85 PathProgramCache]: Analyzing trace with hash 102414684, now seen corresponding path program 1 times [2021-12-14 19:04:03,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:03,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044211733] [2021-12-14 19:04:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:03,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 19:04:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 19:04:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-14 19:04:04,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:04,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044211733] [2021-12-14 19:04:04,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044211733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:04,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:04,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:04:04,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311153644] [2021-12-14 19:04:04,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:04,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:04:04,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:04,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:04:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:04:04,131 INFO L87 Difference]: Start difference. First operand has 1891 states, 1307 states have (on average 1.2448355011476664) internal successors, (1627), 1334 states have internal predecessors, (1627), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-14 19:04:04,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:04,473 INFO L93 Difference]: Finished difference Result 3761 states and 5191 transitions. [2021-12-14 19:04:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 19:04:04,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-14 19:04:04,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:04,510 INFO L225 Difference]: With dead ends: 3761 [2021-12-14 19:04:04,510 INFO L226 Difference]: Without dead ends: 1881 [2021-12-14 19:04:04,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:04:04,538 INFO L933 BasicCegarLoop]: 2568 mSDtfsCounter, 2555 mSDsluCounter, 5131 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 7699 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:04,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 7699 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 19:04:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2021-12-14 19:04:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1881. [2021-12-14 19:04:04,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1304 states have (on average 1.2361963190184049) internal successors, (1612), 1327 states have internal predecessors, (1612), 474 states have call successors, (474), 103 states have call predecessors, (474), 102 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2021-12-14 19:04:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2557 transitions. [2021-12-14 19:04:04,703 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2557 transitions. Word has length 48 [2021-12-14 19:04:04,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:04,704 INFO L470 AbstractCegarLoop]: Abstraction has 1881 states and 2557 transitions. [2021-12-14 19:04:04,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-14 19:04:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2557 transitions. [2021-12-14 19:04:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-14 19:04:04,706 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:04,707 INFO L514 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] [2021-12-14 19:04:04,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:04:04,707 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:04,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash -597900728, now seen corresponding path program 1 times [2021-12-14 19:04:04,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:04,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947813749] [2021-12-14 19:04:04,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:04,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 19:04:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 19:04:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:04:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-14 19:04:04,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:04,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947813749] [2021-12-14 19:04:04,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947813749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:04,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:04,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:04:04,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275286652] [2021-12-14 19:04:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:04,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:04:04,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:04,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:04:04,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:04:04,944 INFO L87 Difference]: Start difference. First operand 1881 states and 2557 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-14 19:04:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:05,190 INFO L93 Difference]: Finished difference Result 3708 states and 5083 transitions. [2021-12-14 19:04:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:04:05,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-14 19:04:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:05,219 INFO L225 Difference]: With dead ends: 3708 [2021-12-14 19:04:05,219 INFO L226 Difference]: Without dead ends: 3706 [2021-12-14 19:04:05,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:04:05,222 INFO L933 BasicCegarLoop]: 3489 mSDtfsCounter, 2561 mSDsluCounter, 9455 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 12944 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:05,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2563 Valid, 12944 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 19:04:05,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2021-12-14 19:04:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3681. [2021-12-14 19:04:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 2555 states have (on average 1.2356164383561643) internal successors, (3157), 2600 states have internal predecessors, (3157), 923 states have call successors, (923), 205 states have call predecessors, (923), 202 states have return successors, (969), 906 states have call predecessors, (969), 917 states have call successors, (969) [2021-12-14 19:04:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 5049 transitions. [2021-12-14 19:04:05,409 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 5049 transitions. Word has length 53 [2021-12-14 19:04:05,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:05,410 INFO L470 AbstractCegarLoop]: Abstraction has 3681 states and 5049 transitions. [2021-12-14 19:04:05,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-14 19:04:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5049 transitions. [2021-12-14 19:04:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-14 19:04:05,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:05,412 INFO L514 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] [2021-12-14 19:04:05,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:04:05,413 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:05,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:05,413 INFO L85 PathProgramCache]: Analyzing trace with hash -655063908, now seen corresponding path program 1 times [2021-12-14 19:04:05,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:05,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899276194] [2021-12-14 19:04:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:05,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 19:04:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 19:04:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:04:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-14 19:04:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-14 19:04:05,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:05,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899276194] [2021-12-14 19:04:05,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899276194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:05,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:05,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:04:05,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191092365] [2021-12-14 19:04:05,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:05,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:04:05,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:04:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:04:05,685 INFO L87 Difference]: Start difference. First operand 3681 states and 5049 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 19:04:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:05,988 INFO L93 Difference]: Finished difference Result 7312 states and 10160 transitions. [2021-12-14 19:04:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:04:05,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-12-14 19:04:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:06,050 INFO L225 Difference]: With dead ends: 7312 [2021-12-14 19:04:06,050 INFO L226 Difference]: Without dead ends: 7308 [2021-12-14 19:04:06,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:04:06,062 INFO L933 BasicCegarLoop]: 3069 mSDtfsCounter, 2561 mSDsluCounter, 8621 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 11690 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:06,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2562 Valid, 11690 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 19:04:06,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2021-12-14 19:04:06,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 7269. [2021-12-14 19:04:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7269 states, 5049 states have (on average 1.2354921766686473) internal successors, (6238), 5137 states have internal predecessors, (6238), 1819 states have call successors, (1819), 408 states have call predecessors, (1819), 400 states have return successors, (2049), 1784 states have call predecessors, (2049), 1807 states have call successors, (2049) [2021-12-14 19:04:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 10106 transitions. [2021-12-14 19:04:06,446 INFO L78 Accepts]: Start accepts. Automaton has 7269 states and 10106 transitions. Word has length 58 [2021-12-14 19:04:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:06,446 INFO L470 AbstractCegarLoop]: Abstraction has 7269 states and 10106 transitions. [2021-12-14 19:04:06,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 19:04:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states and 10106 transitions. [2021-12-14 19:04:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-14 19:04:06,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:06,449 INFO L514 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] [2021-12-14 19:04:06,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:04:06,449 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:06,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:06,450 INFO L85 PathProgramCache]: Analyzing trace with hash 217022622, now seen corresponding path program 1 times [2021-12-14 19:04:06,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:06,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122206312] [2021-12-14 19:04:06,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:06,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 19:04:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 19:04:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 19:04:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:04:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:04:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-14 19:04:06,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:06,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122206312] [2021-12-14 19:04:06,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122206312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:06,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:06,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:04:06,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649857995] [2021-12-14 19:04:06,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:06,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:04:06,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:06,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:04:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:04:06,711 INFO L87 Difference]: Start difference. First operand 7269 states and 10106 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 19:04:07,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:07,105 INFO L93 Difference]: Finished difference Result 14529 states and 20635 transitions. [2021-12-14 19:04:07,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:04:07,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2021-12-14 19:04:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:07,226 INFO L225 Difference]: With dead ends: 14529 [2021-12-14 19:04:07,227 INFO L226 Difference]: Without dead ends: 14459 [2021-12-14 19:04:07,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:04:07,251 INFO L933 BasicCegarLoop]: 3079 mSDtfsCounter, 2560 mSDsluCounter, 8696 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 11775 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:07,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2560 Valid, 11775 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 19:04:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14459 states. [2021-12-14 19:04:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14459 to 14449. [2021-12-14 19:04:07,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14449 states, 10042 states have (on average 1.236108344951205) internal successors, (12413), 10216 states have internal predecessors, (12413), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2021-12-14 19:04:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14449 states to 14449 states and 20542 transitions. [2021-12-14 19:04:07,967 INFO L78 Accepts]: Start accepts. Automaton has 14449 states and 20542 transitions. Word has length 70 [2021-12-14 19:04:07,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:07,967 INFO L470 AbstractCegarLoop]: Abstraction has 14449 states and 20542 transitions. [2021-12-14 19:04:07,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 19:04:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 14449 states and 20542 transitions. [2021-12-14 19:04:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-14 19:04:08,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:08,034 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:04:08,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:04:08,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:08,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2092992095, now seen corresponding path program 1 times [2021-12-14 19:04:08,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:08,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124934868] [2021-12-14 19:04:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:08,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:04:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:04:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:04:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 19:04:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 19:04:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:04:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:04:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:04:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 19:04:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:04:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-14 19:04:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 19:04:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-14 19:04:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 19:04:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 19:04:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 19:04:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-14 19:04:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 19:04:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 19:04:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 19:04:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 19:04:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 19:04:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-12-14 19:04:09,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:09,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124934868] [2021-12-14 19:04:09,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124934868] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 19:04:09,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704122601] [2021-12-14 19:04:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:09,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 19:04:09,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:04:09,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 19:04:09,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 19:04:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:10,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 19:04:10,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 19:04:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-14 19:04:10,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 19:04:10,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704122601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:10,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 19:04:10,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 22 [2021-12-14 19:04:10,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468178267] [2021-12-14 19:04:10,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:10,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-14 19:04:10,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:10,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-14 19:04:10,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-12-14 19:04:10,884 INFO L87 Difference]: Start difference. First operand 14449 states and 20542 transitions. Second operand has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2021-12-14 19:04:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:12,064 INFO L93 Difference]: Finished difference Result 29293 states and 41693 transitions. [2021-12-14 19:04:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-14 19:04:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 301 [2021-12-14 19:04:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:12,259 INFO L225 Difference]: With dead ends: 29293 [2021-12-14 19:04:12,260 INFO L226 Difference]: Without dead ends: 14851 [2021-12-14 19:04:12,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2021-12-14 19:04:12,348 INFO L933 BasicCegarLoop]: 2576 mSDtfsCounter, 168 mSDsluCounter, 30634 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 33210 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:12,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 33210 Invalid, 566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 19:04:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14851 states. [2021-12-14 19:04:12,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14851 to 14579. [2021-12-14 19:04:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14579 states, 10131 states have (on average 1.2342315664791235) internal successors, (12504), 10311 states have internal predecessors, (12504), 3646 states have call successors, (3646), 807 states have call predecessors, (3646), 801 states have return successors, (4593), 3581 states have call predecessors, (4593), 3625 states have call successors, (4593) [2021-12-14 19:04:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14579 states to 14579 states and 20743 transitions. [2021-12-14 19:04:12,993 INFO L78 Accepts]: Start accepts. Automaton has 14579 states and 20743 transitions. Word has length 301 [2021-12-14 19:04:12,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:12,995 INFO L470 AbstractCegarLoop]: Abstraction has 14579 states and 20743 transitions. [2021-12-14 19:04:12,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2021-12-14 19:04:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14579 states and 20743 transitions. [2021-12-14 19:04:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-12-14 19:04:13,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:13,006 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:04:13,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 19:04:13,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 19:04:13,228 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:13,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:13,228 INFO L85 PathProgramCache]: Analyzing trace with hash 836219768, now seen corresponding path program 1 times [2021-12-14 19:04:13,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:13,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282083902] [2021-12-14 19:04:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:13,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:04:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:04:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:04:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:04:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 19:04:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:04:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 19:04:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:04:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 19:04:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:04:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 19:04:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:04:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:04:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:04:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 19:04:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 19:04:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 19:04:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 19:04:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 19:04:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 19:04:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 19:04:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 19:04:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-14 19:04:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 19:04:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 19:04:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-14 19:04:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-14 19:04:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-14 19:04:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-12-14 19:04:14,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:14,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282083902] [2021-12-14 19:04:14,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282083902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:14,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:14,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-14 19:04:14,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317256203] [2021-12-14 19:04:14,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:14,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 19:04:14,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:14,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 19:04:14,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-14 19:04:14,102 INFO L87 Difference]: Start difference. First operand 14579 states and 20743 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-14 19:04:23,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:23,090 INFO L93 Difference]: Finished difference Result 34125 states and 50747 transitions. [2021-12-14 19:04:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 19:04:23,091 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 333 [2021-12-14 19:04:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:23,230 INFO L225 Difference]: With dead ends: 34125 [2021-12-14 19:04:23,230 INFO L226 Difference]: Without dead ends: 19561 [2021-12-14 19:04:23,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-12-14 19:04:23,332 INFO L933 BasicCegarLoop]: 2247 mSDtfsCounter, 2886 mSDsluCounter, 8404 mSDsCounter, 0 mSdLazyCounter, 9220 mSolverCounterSat, 1760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 10651 SdHoareTripleChecker+Invalid, 10980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1760 IncrementalHoareTripleChecker+Valid, 9220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:23,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3290 Valid, 10651 Invalid, 10980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1760 Valid, 9220 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-14 19:04:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19561 states. [2021-12-14 19:04:24,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19561 to 18032. [2021-12-14 19:04:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18032 states, 12558 states have (on average 1.2356266921484313) internal successors, (15517), 12814 states have internal predecessors, (15517), 4528 states have call successors, (4528), 807 states have call predecessors, (4528), 945 states have return successors, (6264), 4579 states have call predecessors, (6264), 4507 states have call successors, (6264) [2021-12-14 19:04:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18032 states to 18032 states and 26309 transitions. [2021-12-14 19:04:24,419 INFO L78 Accepts]: Start accepts. Automaton has 18032 states and 26309 transitions. Word has length 333 [2021-12-14 19:04:24,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:24,421 INFO L470 AbstractCegarLoop]: Abstraction has 18032 states and 26309 transitions. [2021-12-14 19:04:24,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-14 19:04:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand 18032 states and 26309 transitions. [2021-12-14 19:04:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-14 19:04:24,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:24,439 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:04:24,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 19:04:24,440 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1784808941, now seen corresponding path program 1 times [2021-12-14 19:04:24,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:24,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917428056] [2021-12-14 19:04:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:24,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:04:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:04:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:04:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:04:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 19:04:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:04:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 19:04:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:04:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 19:04:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:04:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 19:04:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:04:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:04:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:04:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 19:04:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 19:04:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:04:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 19:04:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 19:04:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 19:04:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-14 19:04:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 19:04:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 19:04:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 19:04:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 19:04:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 19:04:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 19:04:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-14 19:04:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-14 19:04:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-12-14 19:04:25,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:25,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917428056] [2021-12-14 19:04:25,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917428056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:25,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:25,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 19:04:25,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641963690] [2021-12-14 19:04:25,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:25,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 19:04:25,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:25,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 19:04:25,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-14 19:04:25,333 INFO L87 Difference]: Start difference. First operand 18032 states and 26309 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-14 19:04:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:35,007 INFO L93 Difference]: Finished difference Result 38806 states and 59092 transitions. [2021-12-14 19:04:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 19:04:35,007 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 349 [2021-12-14 19:04:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:35,142 INFO L225 Difference]: With dead ends: 38806 [2021-12-14 19:04:35,142 INFO L226 Difference]: Without dead ends: 20789 [2021-12-14 19:04:35,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2021-12-14 19:04:35,261 INFO L933 BasicCegarLoop]: 2320 mSDtfsCounter, 4944 mSDsluCounter, 9469 mSDsCounter, 0 mSdLazyCounter, 10847 mSolverCounterSat, 3488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5334 SdHoareTripleChecker+Valid, 11789 SdHoareTripleChecker+Invalid, 14335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3488 IncrementalHoareTripleChecker+Valid, 10847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:35,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5334 Valid, 11789 Invalid, 14335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3488 Valid, 10847 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2021-12-14 19:04:35,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2021-12-14 19:04:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 17598. [2021-12-14 19:04:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17598 states, 12206 states have (on average 1.2294773062428315) internal successors, (15007), 12414 states have internal predecessors, (15007), 4438 states have call successors, (4438), 795 states have call predecessors, (4438), 953 states have return successors, (6367), 4539 states have call predecessors, (6367), 4417 states have call successors, (6367) [2021-12-14 19:04:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 25812 transitions. [2021-12-14 19:04:36,397 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 25812 transitions. Word has length 349 [2021-12-14 19:04:36,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:36,398 INFO L470 AbstractCegarLoop]: Abstraction has 17598 states and 25812 transitions. [2021-12-14 19:04:36,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-14 19:04:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 25812 transitions. [2021-12-14 19:04:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-14 19:04:36,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:36,410 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:04:36,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 19:04:36,411 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:36,412 INFO L85 PathProgramCache]: Analyzing trace with hash -502636655, now seen corresponding path program 1 times [2021-12-14 19:04:36,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:36,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608338613] [2021-12-14 19:04:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:36,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:04:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:04:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:04:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:04:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 19:04:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:04:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 19:04:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:04:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 19:04:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:04:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 19:04:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:04:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:04:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:04:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 19:04:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 19:04:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:04:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 19:04:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 19:04:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 19:04:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-14 19:04:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 19:04:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 19:04:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 19:04:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 19:04:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 19:04:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 19:04:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-14 19:04:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-14 19:04:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-12-14 19:04:37,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:37,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608338613] [2021-12-14 19:04:37,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608338613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:37,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:37,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 19:04:37,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944792622] [2021-12-14 19:04:37,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:37,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 19:04:37,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:37,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 19:04:37,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-14 19:04:37,199 INFO L87 Difference]: Start difference. First operand 17598 states and 25812 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43)