./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:57:51,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:57:51,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:57:51,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:57:51,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:57:51,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:57:51,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:57:51,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:57:51,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:57:51,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:57:51,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:57:51,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:57:51,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:57:51,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:57:51,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:57:51,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:57:51,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:57:51,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:57:51,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:57:51,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:57:51,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:57:51,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:57:51,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:57:51,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:57:51,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:57:51,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:57:51,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:57:51,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:57:51,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:57:51,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:57:51,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:57:51,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:57:51,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:57:51,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:57:51,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:57:51,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:57:51,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:57:51,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:57:51,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:57:51,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:57:51,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:57:51,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:57:51,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:57:51,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:57:51,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:57:51,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:57:51,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:57:51,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:57:51,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:57:51,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:57:51,864 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:57:51,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:57:51,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:57:51,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:57:51,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:57:51,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:57:51,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:57:51,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:57:51,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:57:51,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:57:51,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:57:51,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:57:51,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:57:51,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:51,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:57:51,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:57:51,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:57:51,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:57:51,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:57:51,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:57:51,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:57:51,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:57:51,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:57:51,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2021-12-22 15:57:52,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:57:52,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:57:52,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:57:52,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:57:52,122 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:57:52,123 INFO L432 ainManager$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 [2021-12-22 15:57:52,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8c1a0c7/ec226b375fac4a839f36dae120f53305/FLAGe219c3bf3 [2021-12-22 15:57:52,856 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:57:52,857 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 [2021-12-22 15:57:52,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8c1a0c7/ec226b375fac4a839f36dae120f53305/FLAGe219c3bf3 [2021-12-22 15:57:53,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8c1a0c7/ec226b375fac4a839f36dae120f53305 [2021-12-22 15:57:53,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:57:53,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:57:53,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:53,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:57:53,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:57:53,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:53" (1/1) ... [2021-12-22 15:57:53,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16694adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:53, skipping insertion in model container [2021-12-22 15:57:53,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:53" (1/1) ... [2021-12-22 15:57:53,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:57:53,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:57:55,805 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] [2021-12-22 15:57:55,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:55,916 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:57:56,357 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] [2021-12-22 15:57:56,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:56,545 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:57:56,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56 WrapperNode [2021-12-22 15:57:56,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:56,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:56,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:57:56,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:57:56,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:56,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:56,900 INFO L137 Inliner]: procedures = 414, calls = 2180, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5648 [2021-12-22 15:57:56,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:56,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:57:56,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:57:56,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:57:56,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:56,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:56,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:56,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:57,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:57,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:57,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:57,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:57:57,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:57:57,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:57:57,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:57:57,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (1/1) ... [2021-12-22 15:57:57,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:57,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:57:57,261 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) [2021-12-22 15:57:57,282 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 [2021-12-22 15:57:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:57:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:57:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:57:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:57:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:57:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:57:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:57:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:57:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2021-12-22 15:57:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2021-12-22 15:57:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:57:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:57:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:57:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:57:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:57:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:57:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2021-12-22 15:57:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2021-12-22 15:57:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2021-12-22 15:57:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2021-12-22 15:57:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:57:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:57:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2021-12-22 15:57:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2021-12-22 15:57:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:57:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:57:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:57:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:57:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:57:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:57:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:57:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:57:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 15:57:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 15:57:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:57:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:57:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:57:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2021-12-22 15:57:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2021-12-22 15:57:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:57:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:57:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:57:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:57:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:57:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:57:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:57:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-22 15:57:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-22 15:57:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:57:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:57:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:57:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:57:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:57:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:57:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:57:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:57:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:57:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:57:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2021-12-22 15:57:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2021-12-22 15:57:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:57:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:57:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-22 15:57:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-22 15:57:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2021-12-22 15:57:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2021-12-22 15:57:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:57:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:57:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2021-12-22 15:57:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2021-12-22 15:57:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2021-12-22 15:57:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2021-12-22 15:57:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:57:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-22 15:57:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-22 15:57:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2021-12-22 15:57:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2021-12-22 15:57:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:57:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:57:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:57:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:57:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:57:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2021-12-22 15:57:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2021-12-22 15:57:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:57:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-22 15:57:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-22 15:57:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:57:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:57:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:57:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:57:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:57:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:57:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-22 15:57:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-22 15:57:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-22 15:57:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-22 15:57:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:57:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:57:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:57:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:57:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-22 15:57:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-22 15:57:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:57:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:57:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:57:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:57:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-22 15:57:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-22 15:57:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2021-12-22 15:57:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2021-12-22 15:57:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:57:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:57:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2021-12-22 15:57:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2021-12-22 15:57:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2021-12-22 15:57:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2021-12-22 15:57:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2021-12-22 15:57:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2021-12-22 15:57:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:57:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:57:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2021-12-22 15:57:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2021-12-22 15:57:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2021-12-22 15:57:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2021-12-22 15:57:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2021-12-22 15:57:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2021-12-22 15:57:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2021-12-22 15:57:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2021-12-22 15:57:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2021-12-22 15:57:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2021-12-22 15:57:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2021-12-22 15:57:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2021-12-22 15:57:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2021-12-22 15:57:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2021-12-22 15:57:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:57:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:57:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:57:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:57:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2021-12-22 15:57:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2021-12-22 15:57:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:57:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-22 15:57:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-22 15:57:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:57:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:57:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:57:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:57:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-12-22 15:57:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-12-22 15:57:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:57:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2021-12-22 15:57:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2021-12-22 15:57:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-12-22 15:57:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-12-22 15:57:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:57:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2021-12-22 15:57:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2021-12-22 15:57:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2021-12-22 15:57:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2021-12-22 15:57:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:57:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:57:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 15:57:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 15:57:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2021-12-22 15:57:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2021-12-22 15:57:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:57:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:57:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2021-12-22 15:57:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2021-12-22 15:57:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-12-22 15:57:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-12-22 15:57:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:57:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:57:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2021-12-22 15:57:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2021-12-22 15:57:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:57:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:57:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:57:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:57:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:57:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:57:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:57:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:57:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2021-12-22 15:57:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2021-12-22 15:57:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:57:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:57:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:57:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:57:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:57:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:57:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:57:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2021-12-22 15:57:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2021-12-22 15:57:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:57:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:57:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2021-12-22 15:57:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2021-12-22 15:57:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2021-12-22 15:57:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2021-12-22 15:57:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2021-12-22 15:57:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2021-12-22 15:57:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:57:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:57:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-12-22 15:57:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-12-22 15:57:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:57:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:57:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-22 15:57:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-22 15:57:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 15:57:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 15:57:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:57:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:57:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:57:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:57:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:57:58,254 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:57:58,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:57:58,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:58:04,437 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:58:04,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:58:04,460 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:58:04,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:58:04 BoogieIcfgContainer [2021-12-22 15:58:04,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:58:04,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:58:04,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:58:04,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:58:04,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:57:53" (1/3) ... [2021-12-22 15:58:04,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1963d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:58:04, skipping insertion in model container [2021-12-22 15:58:04,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:56" (2/3) ... [2021-12-22 15:58:04,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1963d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:58:04, skipping insertion in model container [2021-12-22 15:58:04,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:58:04" (3/3) ... [2021-12-22 15:58:04,472 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-22 15:58:04,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:58:04,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:58:04,526 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:58:04,532 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 [2021-12-22 15:58:04,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:58:04,591 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) [2021-12-22 15:58:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-22 15:58:04,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:04,604 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] [2021-12-22 15:58:04,605 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] === [2021-12-22 15:58:04,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash 102414684, now seen corresponding path program 1 times [2021-12-22 15:58:04,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:04,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574908717] [2021-12-22 15:58:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:04,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 15:58:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 15:58:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 15:58:05,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:05,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574908717] [2021-12-22 15:58:05,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574908717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:05,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:05,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:58:05,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121276905] [2021-12-22 15:58:05,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:05,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:58:05,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:05,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:58:05,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:58:05,417 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) [2021-12-22 15:58:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:05,739 INFO L93 Difference]: Finished difference Result 3761 states and 5191 transitions. [2021-12-22 15:58:05,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 15:58:05,742 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 [2021-12-22 15:58:05,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:05,780 INFO L225 Difference]: With dead ends: 3761 [2021-12-22 15:58:05,780 INFO L226 Difference]: Without dead ends: 1881 [2021-12-22 15:58:05,800 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 [2021-12-22 15:58:05,804 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 [2021-12-22 15:58:05,805 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] [2021-12-22 15:58:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2021-12-22 15:58:06,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1881. [2021-12-22 15:58:06,015 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) [2021-12-22 15:58:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2557 transitions. [2021-12-22 15:58:06,047 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2557 transitions. Word has length 48 [2021-12-22 15:58:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:06,050 INFO L470 AbstractCegarLoop]: Abstraction has 1881 states and 2557 transitions. [2021-12-22 15:58:06,050 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) [2021-12-22 15:58:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2557 transitions. [2021-12-22 15:58:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-22 15:58:06,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:06,055 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] [2021-12-22 15:58:06,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:58:06,055 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] === [2021-12-22 15:58:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash -597900728, now seen corresponding path program 1 times [2021-12-22 15:58:06,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:06,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442430225] [2021-12-22 15:58:06,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:06,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 15:58:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 15:58:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 15:58:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 15:58:06,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:06,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442430225] [2021-12-22 15:58:06,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442430225] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:06,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:06,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:58:06,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002823031] [2021-12-22 15:58:06,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:06,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:58:06,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:58:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:58:06,509 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) [2021-12-22 15:58:06,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:06,738 INFO L93 Difference]: Finished difference Result 3708 states and 5083 transitions. [2021-12-22 15:58:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:58:06,739 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 [2021-12-22 15:58:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:06,772 INFO L225 Difference]: With dead ends: 3708 [2021-12-22 15:58:06,773 INFO L226 Difference]: Without dead ends: 3706 [2021-12-22 15:58:06,782 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 [2021-12-22 15:58:06,785 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 [2021-12-22 15:58:06,786 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] [2021-12-22 15:58:06,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2021-12-22 15:58:07,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3681. [2021-12-22 15:58:07,039 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) [2021-12-22 15:58:07,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 5049 transitions. [2021-12-22 15:58:07,071 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 5049 transitions. Word has length 53 [2021-12-22 15:58:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:07,073 INFO L470 AbstractCegarLoop]: Abstraction has 3681 states and 5049 transitions. [2021-12-22 15:58:07,073 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) [2021-12-22 15:58:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5049 transitions. [2021-12-22 15:58:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-22 15:58:07,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:07,082 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] [2021-12-22 15:58:07,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:58:07,082 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] === [2021-12-22 15:58:07,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:07,083 INFO L85 PathProgramCache]: Analyzing trace with hash -655063908, now seen corresponding path program 1 times [2021-12-22 15:58:07,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:07,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231088167] [2021-12-22 15:58:07,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:07,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 15:58:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 15:58:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 15:58:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 15:58:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-22 15:58:07,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:07,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231088167] [2021-12-22 15:58:07,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231088167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:07,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:07,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:58:07,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413434127] [2021-12-22 15:58:07,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:07,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:58:07,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:07,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:58:07,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:58:07,365 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) [2021-12-22 15:58:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:07,680 INFO L93 Difference]: Finished difference Result 7312 states and 10160 transitions. [2021-12-22 15:58:07,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:58:07,681 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 [2021-12-22 15:58:07,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:07,747 INFO L225 Difference]: With dead ends: 7312 [2021-12-22 15:58:07,748 INFO L226 Difference]: Without dead ends: 7308 [2021-12-22 15:58:07,758 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 [2021-12-22 15:58:07,759 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 [2021-12-22 15:58:07,759 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] [2021-12-22 15:58:07,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2021-12-22 15:58:08,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 7269. [2021-12-22 15:58:08,123 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) [2021-12-22 15:58:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 10106 transitions. [2021-12-22 15:58:08,178 INFO L78 Accepts]: Start accepts. Automaton has 7269 states and 10106 transitions. Word has length 58 [2021-12-22 15:58:08,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:08,178 INFO L470 AbstractCegarLoop]: Abstraction has 7269 states and 10106 transitions. [2021-12-22 15:58:08,178 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) [2021-12-22 15:58:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states and 10106 transitions. [2021-12-22 15:58:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-22 15:58:08,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:08,180 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] [2021-12-22 15:58:08,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:58:08,181 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] === [2021-12-22 15:58:08,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:08,181 INFO L85 PathProgramCache]: Analyzing trace with hash 217022622, now seen corresponding path program 1 times [2021-12-22 15:58:08,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:08,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179106510] [2021-12-22 15:58:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 15:58:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 15:58:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:58:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:58:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:58:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 15:58:08,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:08,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179106510] [2021-12-22 15:58:08,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179106510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:08,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:08,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:58:08,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804871096] [2021-12-22 15:58:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:08,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:58:08,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:08,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:58:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:58:08,475 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) [2021-12-22 15:58:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:08,986 INFO L93 Difference]: Finished difference Result 14529 states and 20635 transitions. [2021-12-22 15:58:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:58:08,987 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 [2021-12-22 15:58:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:09,100 INFO L225 Difference]: With dead ends: 14529 [2021-12-22 15:58:09,100 INFO L226 Difference]: Without dead ends: 14459 [2021-12-22 15:58:09,113 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 [2021-12-22 15:58:09,114 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 [2021-12-22 15:58:09,115 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] [2021-12-22 15:58:09,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14459 states. [2021-12-22 15:58:09,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14459 to 14449. [2021-12-22 15:58:09,875 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) [2021-12-22 15:58:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14449 states to 14449 states and 20542 transitions. [2021-12-22 15:58:10,000 INFO L78 Accepts]: Start accepts. Automaton has 14449 states and 20542 transitions. Word has length 70 [2021-12-22 15:58:10,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:10,000 INFO L470 AbstractCegarLoop]: Abstraction has 14449 states and 20542 transitions. [2021-12-22 15:58:10,001 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) [2021-12-22 15:58:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 14449 states and 20542 transitions. [2021-12-22 15:58:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-22 15:58:10,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:10,075 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] [2021-12-22 15:58:10,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:58:10,076 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] === [2021-12-22 15:58:10,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2092992095, now seen corresponding path program 1 times [2021-12-22 15:58:10,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:10,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870813413] [2021-12-22 15:58:10,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:10,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:58:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:58:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:58:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 15:58:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:58:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:58:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 15:58:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:58:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:58:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:58:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 15:58:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 15:58:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 15:58:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:58:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:58:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:58:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:58:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:58:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:58:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-22 15:58:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-22 15:58:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:58:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-12-22 15:58:11,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:11,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870813413] [2021-12-22 15:58:11,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870813413] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 15:58:11,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800849814] [2021-12-22 15:58:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:11,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:58:11,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:58:11,316 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) [2021-12-22 15:58:11,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 15:58:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:12,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-22 15:58:12,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 15:58:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-22 15:58:12,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 15:58:12,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800849814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:12,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 15:58:12,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 22 [2021-12-22 15:58:12,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350226014] [2021-12-22 15:58:12,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:12,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-22 15:58:12,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 15:58:12,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-12-22 15:58:12,943 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) [2021-12-22 15:58:14,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:14,216 INFO L93 Difference]: Finished difference Result 29293 states and 41693 transitions. [2021-12-22 15:58:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-22 15:58:14,217 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 [2021-12-22 15:58:14,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:14,328 INFO L225 Difference]: With dead ends: 29293 [2021-12-22 15:58:14,329 INFO L226 Difference]: Without dead ends: 14851 [2021-12-22 15:58:14,428 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 [2021-12-22 15:58:14,430 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, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:58:14,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 33210 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 15:58:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14851 states. [2021-12-22 15:58:15,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14851 to 14579. [2021-12-22 15:58:15,133 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) [2021-12-22 15:58:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14579 states to 14579 states and 20743 transitions. [2021-12-22 15:58:15,239 INFO L78 Accepts]: Start accepts. Automaton has 14579 states and 20743 transitions. Word has length 301 [2021-12-22 15:58:15,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:15,241 INFO L470 AbstractCegarLoop]: Abstraction has 14579 states and 20743 transitions. [2021-12-22 15:58:15,242 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) [2021-12-22 15:58:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 14579 states and 20743 transitions. [2021-12-22 15:58:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-12-22 15:58:15,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:15,255 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] [2021-12-22 15:58:15,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 15:58:15,483 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 [2021-12-22 15:58:15,484 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] === [2021-12-22 15:58:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:15,484 INFO L85 PathProgramCache]: Analyzing trace with hash 836219768, now seen corresponding path program 1 times [2021-12-22 15:58:15,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:15,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300083527] [2021-12-22 15:58:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:15,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:58:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:58:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:58:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:58:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 15:58:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:58:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:58:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:58:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 15:58:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:58:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 15:58:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:58:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:58:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 15:58:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:58:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:58:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 15:58:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 15:58:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:58:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:58:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 15:58:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:58:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-22 15:58:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:58:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-22 15:58:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:58:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-22 15:58:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-22 15:58:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-12-22 15:58:16,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:16,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300083527] [2021-12-22 15:58:16,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300083527] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:16,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:16,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-22 15:58:16,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658751182] [2021-12-22 15:58:16,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:16,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 15:58:16,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:16,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 15:58:16,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-22 15:58:16,567 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) [2021-12-22 15:58:26,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:26,899 INFO L93 Difference]: Finished difference Result 34125 states and 50747 transitions. [2021-12-22 15:58:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:58:26,899 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 [2021-12-22 15:58:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:27,054 INFO L225 Difference]: With dead ends: 34125 [2021-12-22 15:58:27,055 INFO L226 Difference]: Without dead ends: 19561 [2021-12-22 15:58:27,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-12-22 15:58:27,279 INFO L933 BasicCegarLoop]: 2241 mSDtfsCounter, 2886 mSDsluCounter, 8371 mSDsCounter, 0 mSdLazyCounter, 9211 mSolverCounterSat, 1760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 10612 SdHoareTripleChecker+Invalid, 10971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1760 IncrementalHoareTripleChecker+Valid, 9211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:58:27,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3290 Valid, 10612 Invalid, 10971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1760 Valid, 9211 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-12-22 15:58:27,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19561 states. [2021-12-22 15:58:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19561 to 18032. [2021-12-22 15:58:28,327 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) [2021-12-22 15:58:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18032 states to 18032 states and 26309 transitions. [2021-12-22 15:58:28,459 INFO L78 Accepts]: Start accepts. Automaton has 18032 states and 26309 transitions. Word has length 333 [2021-12-22 15:58:28,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:28,461 INFO L470 AbstractCegarLoop]: Abstraction has 18032 states and 26309 transitions. [2021-12-22 15:58:28,462 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) [2021-12-22 15:58:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 18032 states and 26309 transitions. [2021-12-22 15:58:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-22 15:58:28,476 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:28,476 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] [2021-12-22 15:58:28,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:58:28,477 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] === [2021-12-22 15:58:28,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:28,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1784808941, now seen corresponding path program 1 times [2021-12-22 15:58:28,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:28,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476557789] [2021-12-22 15:58:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:58:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:58:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:58:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:58:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 15:58:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:58:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:58:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:58:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 15:58:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:58:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 15:58:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:58:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:58:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 15:58:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:58:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:58:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:58:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:58:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:58:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:58:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-22 15:58:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:58:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:58:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:58:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:58:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-22 15:58:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:58:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-22 15:58:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-22 15:58:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-12-22 15:58:29,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476557789] [2021-12-22 15:58:29,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476557789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:29,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:29,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 15:58:29,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114454342] [2021-12-22 15:58:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:29,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 15:58:29,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 15:58:29,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:58:29,310 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) [2021-12-22 15:58:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:58:41,566 INFO L93 Difference]: Finished difference Result 38806 states and 59092 transitions. [2021-12-22 15:58:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:58:41,568 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 [2021-12-22 15:58:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:58:41,746 INFO L225 Difference]: With dead ends: 38806 [2021-12-22 15:58:41,746 INFO L226 Difference]: Without dead ends: 20789 [2021-12-22 15:58:41,852 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 [2021-12-22 15:58:41,854 INFO L933 BasicCegarLoop]: 2316 mSDtfsCounter, 4944 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 10807 mSolverCounterSat, 3489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 11798 SdHoareTripleChecker+Invalid, 14296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3489 IncrementalHoareTripleChecker+Valid, 10807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:58:41,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5335 Valid, 11798 Invalid, 14296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3489 Valid, 10807 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-12-22 15:58:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2021-12-22 15:58:43,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 17598. [2021-12-22 15:58:43,076 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) [2021-12-22 15:58:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 25812 transitions. [2021-12-22 15:58:43,221 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 25812 transitions. Word has length 349 [2021-12-22 15:58:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:58:43,222 INFO L470 AbstractCegarLoop]: Abstraction has 17598 states and 25812 transitions. [2021-12-22 15:58:43,222 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) [2021-12-22 15:58:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 25812 transitions. [2021-12-22 15:58:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-22 15:58:43,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:58:43,234 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] [2021-12-22 15:58:43,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 15:58:43,235 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] === [2021-12-22 15:58:43,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:58:43,236 INFO L85 PathProgramCache]: Analyzing trace with hash -502636655, now seen corresponding path program 1 times [2021-12-22 15:58:43,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:58:43,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947556422] [2021-12-22 15:58:43,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:58:43,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:58:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:58:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:58:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:58:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:58:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 15:58:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:58:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:58:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:58:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 15:58:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:58:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 15:58:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:58:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:58:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 15:58:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:58:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:58:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:58:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:58:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:58:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:58:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-22 15:58:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:58:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:58:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:58:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:58:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-22 15:58:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:58:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-22 15:58:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-22 15:58:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-12-22 15:58:44,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:44,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947556422] [2021-12-22 15:58:44,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947556422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:44,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:44,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 15:58:44,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607345042] [2021-12-22 15:58:44,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:44,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 15:58:44,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:44,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 15:58:44,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:58:44,330 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)