./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_complex_emg_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 dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:28:03,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:28:03,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:28:03,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:28:03,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:28:03,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:28:03,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:28:03,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:28:03,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:28:03,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:28:03,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:28:03,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:28:03,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:28:03,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:28:03,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:28:03,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:28:03,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:28:03,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:28:03,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:28:03,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:28:03,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:28:03,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:28:03,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:28:03,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:28:03,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:28:03,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:28:03,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:28:03,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:28:03,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:28:03,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:28:03,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:28:03,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:28:03,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:28:03,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:28:03,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:28:03,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:28:03,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:28:03,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:28:03,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:28:03,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:28:03,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:28:03,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:28:03,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:28:03,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:28:03,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:28:03,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:28:03,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:28:03,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:28:03,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:28:03,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:28:03,713 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:28:03,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:28:03,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:28:03,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:28:03,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:28:03,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:28:03,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:28:03,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:28:03,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:28:03,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:28:03,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:28:03,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:28:03,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:28:03,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:28:03,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:28:03,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:28:03,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:28:03,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:28:03,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2021-12-18 13:28:03,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:28:03,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:28:03,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:28:03,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:28:03,935 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:28:03,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-18 13:28:03,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6dd6090/566b420394c944f2aa3bf5dd15405b12/FLAG5a6af5e2f [2021-12-18 13:28:04,682 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:28:04,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-18 13:28:04,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6dd6090/566b420394c944f2aa3bf5dd15405b12/FLAG5a6af5e2f [2021-12-18 13:28:05,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6dd6090/566b420394c944f2aa3bf5dd15405b12 [2021-12-18 13:28:05,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:28:05,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:28:05,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:28:05,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:28:05,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:28:05,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:28:05" (1/1) ... [2021-12-18 13:28:05,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a3f457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:05, skipping insertion in model container [2021-12-18 13:28:05,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:28:05" (1/1) ... [2021-12-18 13:28:05,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:28:05,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:28:06,771 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_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2021-12-18 13:28:06,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:28:06,821 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:28:07,100 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_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2021-12-18 13:28:07,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:28:07,259 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:28:07,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07 WrapperNode [2021-12-18 13:28:07,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:28:07,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:28:07,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:28:07,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:28:07,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,508 INFO L137 Inliner]: procedures = 426, calls = 2215, calls flagged for inlining = 256, calls inlined = 245, statements flattened = 5984 [2021-12-18 13:28:07,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:28:07,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:28:07,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:28:07,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:28:07,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:28:07,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:28:07,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:28:07,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:28:07,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (1/1) ... [2021-12-18 13:28:07,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:28:07,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:28:07,873 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) [2021-12-18 13:28:07,891 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 [2021-12-18 13:28:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:28:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:28:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 13:28:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 13:28:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 13:28:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 13:28:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:28:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:28:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2021-12-18 13:28:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2021-12-18 13:28:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 13:28:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 13:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 13:28:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 13:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 13:28:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 13:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2021-12-18 13:28:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2021-12-18 13:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2021-12-18 13:28:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2021-12-18 13:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:28:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2021-12-18 13:28:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2021-12-18 13:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:28:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:28:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 13:28:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 13:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:28:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 13:28:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 13:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:28:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2021-12-18 13:28:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2021-12-18 13:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 13:28:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 13:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-18 13:28:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-18 13:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:28:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 13:28:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 13:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:28:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 13:28:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 13:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:28:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:28:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2021-12-18 13:28:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2021-12-18 13:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:28:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-18 13:28:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-18 13:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:28:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2021-12-18 13:28:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2021-12-18 13:28:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:28:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:28:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2021-12-18 13:28:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2021-12-18 13:28:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2021-12-18 13:28:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2021-12-18 13:28:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:28:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:28:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:28:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:28:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-18 13:28:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-18 13:28:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:28:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:28:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2021-12-18 13:28:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:28:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 13:28:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 13:28:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2021-12-18 13:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2021-12-18 13:28:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-12-18 13:28:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:28:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-18 13:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-18 13:28:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 13:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 13:28:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:28:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:28:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 13:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 13:28:08,681 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:28:08,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:28:08,787 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:28:11,655 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:28:11,713 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:28:11,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:28:11,734 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 13:28:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:28:11 BoogieIcfgContainer [2021-12-18 13:28:11,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:28:11,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:28:11,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:28:11,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:28:11,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:28:05" (1/3) ... [2021-12-18 13:28:11,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b45d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:28:11, skipping insertion in model container [2021-12-18 13:28:11,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:28:07" (2/3) ... [2021-12-18 13:28:11,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b45d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:28:11, skipping insertion in model container [2021-12-18 13:28:11,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:28:11" (3/3) ... [2021-12-18 13:28:11,748 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2021-12-18 13:28:11,754 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:28:11,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:28:11,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:28:11,833 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 [2021-12-18 13:28:11,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:28:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 2137 states, 1507 states have (on average 1.2647644326476444) internal successors, (1906), 1525 states have internal predecessors, (1906), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) [2021-12-18 13:28:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-18 13:28:11,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:11,919 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:11,919 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] === [2021-12-18 13:28:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash 950140754, now seen corresponding path program 1 times [2021-12-18 13:28:11,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:11,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398662045] [2021-12-18 13:28:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:11,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:28:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-18 13:28:12,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:12,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398662045] [2021-12-18 13:28:12,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398662045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:12,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:12,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:28:12,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070706925] [2021-12-18 13:28:12,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:12,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:28:12,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:12,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:28:12,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:28:12,851 INFO L87 Difference]: Start difference. First operand has 2137 states, 1507 states have (on average 1.2647644326476444) internal successors, (1906), 1525 states have internal predecessors, (1906), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 13:28:16,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:16,697 INFO L93 Difference]: Finished difference Result 6503 states and 9156 transitions. [2021-12-18 13:28:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:28:16,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2021-12-18 13:28:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:16,749 INFO L225 Difference]: With dead ends: 6503 [2021-12-18 13:28:16,750 INFO L226 Difference]: Without dead ends: 4381 [2021-12-18 13:28:16,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:16,779 INFO L933 BasicCegarLoop]: 3081 mSDtfsCounter, 4096 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 1708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4550 SdHoareTripleChecker+Valid, 6273 SdHoareTripleChecker+Invalid, 3683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1708 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:16,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4550 Valid, 6273 Invalid, 3683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1708 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 13:28:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2021-12-18 13:28:17,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 4163. [2021-12-18 13:28:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4163 states, 2949 states have (on average 1.2597490674805019) internal successors, (3715), 2985 states have internal predecessors, (3715), 1002 states have call successors, (1002), 212 states have call predecessors, (1002), 211 states have return successors, (999), 989 states have call predecessors, (999), 999 states have call successors, (999) [2021-12-18 13:28:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5716 transitions. [2021-12-18 13:28:17,099 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5716 transitions. Word has length 145 [2021-12-18 13:28:17,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:17,100 INFO L470 AbstractCegarLoop]: Abstraction has 4163 states and 5716 transitions. [2021-12-18 13:28:17,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 13:28:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5716 transitions. [2021-12-18 13:28:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-18 13:28:17,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:17,111 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2021-12-18 13:28:17,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:28:17,112 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] === [2021-12-18 13:28:17,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:17,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1392757034, now seen corresponding path program 1 times [2021-12-18 13:28:17,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:17,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173627618] [2021-12-18 13:28:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:17,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 13:28:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2021-12-18 13:28:17,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:17,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173627618] [2021-12-18 13:28:17,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173627618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:17,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:17,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:28:17,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269082272] [2021-12-18 13:28:17,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:17,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:28:17,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:28:17,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:28:17,605 INFO L87 Difference]: Start difference. First operand 4163 states and 5716 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 13:28:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:20,903 INFO L93 Difference]: Finished difference Result 8647 states and 11967 transitions. [2021-12-18 13:28:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:28:20,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 197 [2021-12-18 13:28:20,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:20,949 INFO L225 Difference]: With dead ends: 8647 [2021-12-18 13:28:20,950 INFO L226 Difference]: Without dead ends: 6542 [2021-12-18 13:28:20,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:20,969 INFO L933 BasicCegarLoop]: 5341 mSDtfsCounter, 3177 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 1215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 9503 SdHoareTripleChecker+Invalid, 3223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:20,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3625 Valid, 9503 Invalid, 3223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 13:28:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2021-12-18 13:28:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 6205. [2021-12-18 13:28:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 4399 states have (on average 1.2605137531257105) internal successors, (5545), 4452 states have internal predecessors, (5545), 1489 states have call successors, (1489), 317 states have call predecessors, (1489), 316 states have return successors, (1486), 1471 states have call predecessors, (1486), 1486 states have call successors, (1486) [2021-12-18 13:28:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 8520 transitions. [2021-12-18 13:28:21,184 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 8520 transitions. Word has length 197 [2021-12-18 13:28:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:21,186 INFO L470 AbstractCegarLoop]: Abstraction has 6205 states and 8520 transitions. [2021-12-18 13:28:21,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 13:28:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 8520 transitions. [2021-12-18 13:28:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-18 13:28:21,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:21,200 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2021-12-18 13:28:21,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:28:21,200 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] === [2021-12-18 13:28:21,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:21,201 INFO L85 PathProgramCache]: Analyzing trace with hash -970055208, now seen corresponding path program 1 times [2021-12-18 13:28:21,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:21,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684603933] [2021-12-18 13:28:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:21,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 13:28:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2021-12-18 13:28:21,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:21,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684603933] [2021-12-18 13:28:21,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684603933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:21,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:21,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:28:21,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352751653] [2021-12-18 13:28:21,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:21,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:28:21,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:28:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:28:21,880 INFO L87 Difference]: Start difference. First operand 6205 states and 8520 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 13:28:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:24,463 INFO L93 Difference]: Finished difference Result 6538 states and 9076 transitions. [2021-12-18 13:28:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 13:28:24,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 197 [2021-12-18 13:28:24,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:24,500 INFO L225 Difference]: With dead ends: 6538 [2021-12-18 13:28:24,500 INFO L226 Difference]: Without dead ends: 6536 [2021-12-18 13:28:24,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 13:28:24,507 INFO L933 BasicCegarLoop]: 2709 mSDtfsCounter, 3214 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 1194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1194 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:24,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3466 Valid, 7961 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1194 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-18 13:28:24,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2021-12-18 13:28:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 6209. [2021-12-18 13:28:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6209 states, 4402 states have (on average 1.2603362108132667) internal successors, (5548), 4455 states have internal predecessors, (5548), 1489 states have call successors, (1489), 318 states have call predecessors, (1489), 317 states have return successors, (1486), 1471 states have call predecessors, (1486), 1486 states have call successors, (1486) [2021-12-18 13:28:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6209 states to 6209 states and 8523 transitions. [2021-12-18 13:28:24,751 INFO L78 Accepts]: Start accepts. Automaton has 6209 states and 8523 transitions. Word has length 197 [2021-12-18 13:28:24,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:24,753 INFO L470 AbstractCegarLoop]: Abstraction has 6209 states and 8523 transitions. [2021-12-18 13:28:24,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 13:28:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6209 states and 8523 transitions. [2021-12-18 13:28:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-18 13:28:24,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:24,761 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2021-12-18 13:28:24,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:28:24,761 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] === [2021-12-18 13:28:24,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:24,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1697106320, now seen corresponding path program 1 times [2021-12-18 13:28:24,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:24,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056873334] [2021-12-18 13:28:24,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:24,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 13:28:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 13:28:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2021-12-18 13:28:25,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:25,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056873334] [2021-12-18 13:28:25,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056873334] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:25,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:25,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:28:25,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546481776] [2021-12-18 13:28:25,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:25,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:28:25,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:25,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:28:25,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:28:25,264 INFO L87 Difference]: Start difference. First operand 6209 states and 8523 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 13:28:30,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:30,337 INFO L93 Difference]: Finished difference Result 12946 states and 18248 transitions. [2021-12-18 13:28:30,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:28:30,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2021-12-18 13:28:30,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:30,426 INFO L225 Difference]: With dead ends: 12946 [2021-12-18 13:28:30,426 INFO L226 Difference]: Without dead ends: 12944 [2021-12-18 13:28:30,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 13:28:30,437 INFO L933 BasicCegarLoop]: 3303 mSDtfsCounter, 4053 mSDsluCounter, 8515 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 1718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 11818 SdHoareTripleChecker+Invalid, 5976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1718 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:30,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4493 Valid, 11818 Invalid, 5976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1718 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 13:28:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12944 states. [2021-12-18 13:28:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12944 to 12276. [2021-12-18 13:28:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12276 states, 8706 states have (on average 1.261199172984149) internal successors, (10980), 8833 states have internal predecessors, (10980), 2928 states have call successors, (2928), 631 states have call predecessors, (2928), 641 states have return successors, (3114), 2883 states have call predecessors, (3114), 2922 states have call successors, (3114) [2021-12-18 13:28:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12276 states to 12276 states and 17022 transitions. [2021-12-18 13:28:30,847 INFO L78 Accepts]: Start accepts. Automaton has 12276 states and 17022 transitions. Word has length 202 [2021-12-18 13:28:30,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:30,847 INFO L470 AbstractCegarLoop]: Abstraction has 12276 states and 17022 transitions. [2021-12-18 13:28:30,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 13:28:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12276 states and 17022 transitions. [2021-12-18 13:28:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 13:28:30,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:30,857 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:30,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:28:30,858 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] === [2021-12-18 13:28:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1155029144, now seen corresponding path program 1 times [2021-12-18 13:28:30,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:30,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537402956] [2021-12-18 13:28:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:30,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 13:28:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 13:28:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 13:28:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2021-12-18 13:28:31,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:31,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537402956] [2021-12-18 13:28:31,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537402956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:31,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:31,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:28:31,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046800198] [2021-12-18 13:28:31,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:31,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:28:31,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:28:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:28:31,425 INFO L87 Difference]: Start difference. First operand 12276 states and 17022 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 13:28:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:36,633 INFO L93 Difference]: Finished difference Result 25624 states and 36849 transitions. [2021-12-18 13:28:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:28:36,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2021-12-18 13:28:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:36,783 INFO L225 Difference]: With dead ends: 25624 [2021-12-18 13:28:36,784 INFO L226 Difference]: Without dead ends: 25620 [2021-12-18 13:28:36,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 13:28:36,805 INFO L933 BasicCegarLoop]: 3323 mSDtfsCounter, 4045 mSDsluCounter, 8548 mSDsCounter, 0 mSdLazyCounter, 4289 mSolverCounterSat, 1711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 11871 SdHoareTripleChecker+Invalid, 6000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 4289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:36,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4486 Valid, 11871 Invalid, 6000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1711 Valid, 4289 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 13:28:36,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25620 states. [2021-12-18 13:28:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25620 to 24559. [2021-12-18 13:28:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24559 states, 17421 states have (on average 1.2618678606279776) internal successors, (21983), 17701 states have internal predecessors, (21983), 5842 states have call successors, (5842), 1252 states have call predecessors, (5842), 1295 states have return successors, (6910), 5755 states have call predecessors, (6910), 5830 states have call successors, (6910) [2021-12-18 13:28:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24559 states to 24559 states and 34735 transitions. [2021-12-18 13:28:37,865 INFO L78 Accepts]: Start accepts. Automaton has 24559 states and 34735 transitions. Word has length 207 [2021-12-18 13:28:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:37,867 INFO L470 AbstractCegarLoop]: Abstraction has 24559 states and 34735 transitions. [2021-12-18 13:28:37,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 13:28:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 24559 states and 34735 transitions. [2021-12-18 13:28:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-18 13:28:37,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:37,881 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 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] [2021-12-18 13:28:37,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:28:37,881 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] === [2021-12-18 13:28:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash 603744048, now seen corresponding path program 1 times [2021-12-18 13:28:37,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:37,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147114360] [2021-12-18 13:28:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:37,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 13:28:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 13:28:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 13:28:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 13:28:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-12-18 13:28:38,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:38,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147114360] [2021-12-18 13:28:38,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147114360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:38,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:38,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:28:38,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955371398] [2021-12-18 13:28:38,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:38,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:28:38,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:38,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:28:38,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:28:38,325 INFO L87 Difference]: Start difference. First operand 24559 states and 34735 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 13:28:44,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:44,821 INFO L93 Difference]: Finished difference Result 50983 states and 75564 transitions. [2021-12-18 13:28:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:28:44,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2021-12-18 13:28:44,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:45,258 INFO L225 Difference]: With dead ends: 50983 [2021-12-18 13:28:45,258 INFO L226 Difference]: Without dead ends: 50922 [2021-12-18 13:28:45,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 13:28:45,305 INFO L933 BasicCegarLoop]: 3090 mSDtfsCounter, 4118 mSDsluCounter, 8118 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 1762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4559 SdHoareTripleChecker+Valid, 11208 SdHoareTripleChecker+Invalid, 5919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1762 IncrementalHoareTripleChecker+Valid, 4157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:45,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4559 Valid, 11208 Invalid, 5919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1762 Valid, 4157 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 13:28:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50922 states. [2021-12-18 13:28:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50922 to 49254. [2021-12-18 13:28:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49254 states, 34950 states have (on average 1.261859799713877) internal successors, (44102), 35518 states have internal predecessors, (44102), 11692 states have call successors, (11692), 2493 states have call predecessors, (11692), 2611 states have return successors, (15838), 11548 states have call predecessors, (15838), 11671 states have call successors, (15838) [2021-12-18 13:28:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49254 states to 49254 states and 71632 transitions. [2021-12-18 13:28:47,906 INFO L78 Accepts]: Start accepts. Automaton has 49254 states and 71632 transitions. Word has length 212 [2021-12-18 13:28:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:47,906 INFO L470 AbstractCegarLoop]: Abstraction has 49254 states and 71632 transitions. [2021-12-18 13:28:47,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 13:28:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 49254 states and 71632 transitions. [2021-12-18 13:28:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 13:28:48,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:48,013 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:48,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:28:48,013 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] === [2021-12-18 13:28:48,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:48,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1468236600, now seen corresponding path program 1 times [2021-12-18 13:28:48,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:48,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966212115] [2021-12-18 13:28:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:48,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:28:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:28:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:28:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:28:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:28:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:28:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:28:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 13:28:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 13:28:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 13:28:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 13:28:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 13:28:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:28:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-18 13:28:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 13:28:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2021-12-18 13:28:48,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:48,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966212115] [2021-12-18 13:28:48,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966212115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:48,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:48,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 13:28:48,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114243213] [2021-12-18 13:28:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:48,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 13:28:48,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:48,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 13:28:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 13:28:48,673 INFO L87 Difference]: Start difference. First operand 49254 states and 71632 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:29:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:01,551 INFO L93 Difference]: Finished difference Result 169104 states and 251935 transitions. [2021-12-18 13:29:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-18 13:29:01,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 291 [2021-12-18 13:29:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:02,662 INFO L225 Difference]: With dead ends: 169104 [2021-12-18 13:29:02,662 INFO L226 Difference]: Without dead ends: 119877 [2021-12-18 13:29:03,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-12-18 13:29:03,060 INFO L933 BasicCegarLoop]: 4066 mSDtfsCounter, 7913 mSDsluCounter, 5260 mSDsCounter, 0 mSdLazyCounter, 6214 mSolverCounterSat, 6196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8356 SdHoareTripleChecker+Valid, 9326 SdHoareTripleChecker+Invalid, 12410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6196 IncrementalHoareTripleChecker+Valid, 6214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:03,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8356 Valid, 9326 Invalid, 12410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6196 Valid, 6214 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-18 13:29:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119877 states. [2021-12-18 13:29:07,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119877 to 113218. [2021-12-18 13:29:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113218 states, 79060 states have (on average 1.249683784467493) internal successors, (98800), 80191 states have internal predecessors, (98800), 28165 states have call successors, (28165), 4938 states have call predecessors, (28165), 5992 states have return successors, (39070), 28880 states have call predecessors, (39070), 28144 states have call successors, (39070) [2021-12-18 13:29:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113218 states to 113218 states and 166035 transitions. [2021-12-18 13:29:09,193 INFO L78 Accepts]: Start accepts. Automaton has 113218 states and 166035 transitions. Word has length 291 [2021-12-18 13:29:09,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:09,193 INFO L470 AbstractCegarLoop]: Abstraction has 113218 states and 166035 transitions. [2021-12-18 13:29:09,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:29:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 113218 states and 166035 transitions. [2021-12-18 13:29:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-18 13:29:09,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:09,283 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 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] [2021-12-18 13:29:09,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:29:09,284 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] === [2021-12-18 13:29:09,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:09,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1424462035, now seen corresponding path program 1 times [2021-12-18 13:29:09,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:09,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800191216] [2021-12-18 13:29:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:09,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:29:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:29:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:29:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:29:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 13:29:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 13:29:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 13:29:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 13:29:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 13:29:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 13:29:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 13:29:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 13:29:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 13:29:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 13:29:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 13:29:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 13:29:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 13:29:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2021-12-18 13:29:09,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:09,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800191216] [2021-12-18 13:29:09,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800191216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:09,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:09,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 13:29:09,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829960419] [2021-12-18 13:29:09,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:09,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 13:29:09,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:09,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 13:29:09,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 13:29:09,885 INFO L87 Difference]: Start difference. First operand 113218 states and 166035 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 13:29:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:23,975 INFO L93 Difference]: Finished difference Result 246875 states and 366500 transitions. [2021-12-18 13:29:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-18 13:29:23,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 316 [2021-12-18 13:29:23,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:25,357 INFO L225 Difference]: With dead ends: 246875 [2021-12-18 13:29:25,357 INFO L226 Difference]: Without dead ends: 132932 [2021-12-18 13:29:25,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-12-18 13:29:25,809 INFO L933 BasicCegarLoop]: 4973 mSDtfsCounter, 9112 mSDsluCounter, 6440 mSDsCounter, 0 mSdLazyCounter, 6104 mSolverCounterSat, 7544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9600 SdHoareTripleChecker+Valid, 11413 SdHoareTripleChecker+Invalid, 13648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7544 IncrementalHoareTripleChecker+Valid, 6104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:25,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9600 Valid, 11413 Invalid, 13648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7544 Valid, 6104 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 13:29:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132932 states. [2021-12-18 13:29:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132932 to 126274. [2021-12-18 13:29:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126274 states, 88761 states have (on average 1.2482283885940897) internal successors, (110794), 90034 states have internal predecessors, (110794), 30730 states have call successors, (30730), 5728 states have call predecessors, (30730), 6782 states have return successors, (42995), 31399 states have call predecessors, (42995), 30709 states have call successors, (42995) [2021-12-18 13:29:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126274 states to 126274 states and 184519 transitions. [2021-12-18 13:29:32,373 INFO L78 Accepts]: Start accepts. Automaton has 126274 states and 184519 transitions. Word has length 316 [2021-12-18 13:29:32,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:32,373 INFO L470 AbstractCegarLoop]: Abstraction has 126274 states and 184519 transitions. [2021-12-18 13:29:32,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 13:29:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 126274 states and 184519 transitions. [2021-12-18 13:29:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-18 13:29:32,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:32,412 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:29:32,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:29:32,412 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:29:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:32,413 INFO L85 PathProgramCache]: Analyzing trace with hash 896508721, now seen corresponding path program 1 times [2021-12-18 13:29:32,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:32,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152250652] [2021-12-18 13:29:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:32,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 13:29:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 13:29:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 13:29:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 13:29:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 13:29:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 13:29:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:29:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 13:29:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 13:29:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 13:29:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 13:29:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 13:29:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 13:29:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 13:29:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 13:29:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:29:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:33,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 13:29:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 13:29:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-12-18 13:29:33,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:33,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152250652] [2021-12-18 13:29:33,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152250652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:33,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:33,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 13:29:33,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416968226] [2021-12-18 13:29:33,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:33,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 13:29:33,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:33,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 13:29:33,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 13:29:33,016 INFO L87 Difference]: Start difference. First operand 126274 states and 184519 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 13:29:48,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:48,648 INFO L93 Difference]: Finished difference Result 311128 states and 461963 transitions. [2021-12-18 13:29:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-18 13:29:48,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 324 [2021-12-18 13:29:48,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:49,839 INFO L225 Difference]: With dead ends: 311128 [2021-12-18 13:29:49,839 INFO L226 Difference]: Without dead ends: 185622 [2021-12-18 13:29:50,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-12-18 13:29:50,606 INFO L933 BasicCegarLoop]: 5750 mSDtfsCounter, 4978 mSDsluCounter, 8768 mSDsCounter, 0 mSdLazyCounter, 6905 mSolverCounterSat, 3945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5472 SdHoareTripleChecker+Valid, 14518 SdHoareTripleChecker+Invalid, 10850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3945 IncrementalHoareTripleChecker+Valid, 6905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:50,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5472 Valid, 14518 Invalid, 10850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3945 Valid, 6905 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 13:29:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185622 states.