./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:59:06,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:59:06,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:59:06,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:59:06,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:59:06,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:59:06,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:59:06,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:59:06,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:59:06,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:59:06,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:59:06,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:59:06,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:59:06,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:59:06,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:59:06,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:59:06,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:59:06,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:59:06,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:59:06,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:59:06,881 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:59:06,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:59:06,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:59:06,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:59:06,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:59:06,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:59:06,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:59:06,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:59:06,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:59:06,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:59:06,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:59:06,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:59:06,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:59:06,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:59:06,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:59:06,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:59:06,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:59:06,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:59:06,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:59:06,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:59:06,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:59:06,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:59:06,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:59:06,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:59:06,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:59:06,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:59:06,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:59:06,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:59:06,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:59:06,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:59:06,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:59:06,912 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:59:06,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:59:06,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:59:06,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:59:06,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:59:06,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:59:06,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:59:06,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:59:06,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:59:06,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:59:06,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:59:06,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:59:06,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-07-23 03:59:07,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:59:07,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:59:07,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:59:07,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:59:07,120 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:59:07,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:59:07,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5e426e/70935741a5954b6bb24977a0ae2f6ef5/FLAG867bbbe16 [2022-07-23 03:59:07,808 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:59:07,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:59:07,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5e426e/70935741a5954b6bb24977a0ae2f6ef5/FLAG867bbbe16 [2022-07-23 03:59:08,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5e426e/70935741a5954b6bb24977a0ae2f6ef5 [2022-07-23 03:59:08,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:59:08,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:59:08,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:59:08,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:59:08,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:59:08,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:59:08" (1/1) ... [2022-07-23 03:59:08,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557e62f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:08, skipping insertion in model container [2022-07-23 03:59:08,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:59:08" (1/1) ... [2022-07-23 03:59:08,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:59:08,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:59:10,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-07-23 03:59:10,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:59:10,223 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:59:10,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-07-23 03:59:10,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:59:10,672 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:59:10,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10 WrapperNode [2022-07-23 03:59:10,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:59:10,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:59:10,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:59:10,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:59:10,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:10,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:10,921 INFO L137 Inliner]: procedures = 414, calls = 2181, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5992 [2022-07-23 03:59:10,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:59:10,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:59:10,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:59:10,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:59:10,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:10,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:10,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:10,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:11,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:11,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:11,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:11,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:59:11,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:59:11,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:59:11,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:59:11,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (1/1) ... [2022-07-23 03:59:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:59:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:59:11,293 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) [2022-07-23 03:59:11,305 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 [2022-07-23 03:59:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:59:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:59:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:59:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:59:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:59:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:59:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:59:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:59:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-23 03:59:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-23 03:59:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 03:59:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 03:59:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:59:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:59:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:59:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:59:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-23 03:59:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-23 03:59:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-23 03:59:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-23 03:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:59:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-23 03:59:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-23 03:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:59:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:59:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:59:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:59:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:59:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:59:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:59:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:59:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 03:59:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 03:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-23 03:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-23 03:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 03:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 03:59:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:59:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:59:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:59:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-23 03:59:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-23 03:59:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:59:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:59:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:59:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:59:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:59:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:59:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:59:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:59:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:59:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:59:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-23 03:59:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-23 03:59:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:59:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:59:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-23 03:59:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-23 03:59:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-23 03:59:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-23 03:59:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:59:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:59:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-23 03:59:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-23 03:59:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-23 03:59:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-23 03:59:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:59:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-23 03:59:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-23 03:59:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-23 03:59:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-23 03:59:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:59:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:59:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:59:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:59:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:59:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-23 03:59:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-23 03:59:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:59:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:59:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:59:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:59:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:59:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-23 03:59:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-23 03:59:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:59:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:59:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:59:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:59:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:59:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:59:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-23 03:59:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-23 03:59:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 03:59:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 03:59:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:59:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:59:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:59:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:59:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-23 03:59:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-23 03:59:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:59:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:59:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:59:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:59:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-23 03:59:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-23 03:59:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-23 03:59:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-23 03:59:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:59:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:59:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-23 03:59:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-23 03:59:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-23 03:59:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-23 03:59:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-23 03:59:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-23 03:59:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:59:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:59:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-23 03:59:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-23 03:59:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-23 03:59:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-23 03:59:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-23 03:59:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-23 03:59:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-23 03:59:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-23 03:59:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-23 03:59:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-23 03:59:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-23 03:59:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-23 03:59:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-23 03:59:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-23 03:59:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:59:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:59:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-23 03:59:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-23 03:59:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 03:59:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 03:59:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:59:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:59:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-23 03:59:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-23 03:59:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:59:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-23 03:59:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-23 03:59:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-23 03:59:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-23 03:59:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:59:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-23 03:59:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-23 03:59:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-23 03:59:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-23 03:59:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:59:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:59:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 03:59:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 03:59:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-23 03:59:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-23 03:59:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:59:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:59:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-23 03:59:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-23 03:59:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-23 03:59:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-23 03:59:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:59:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:59:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-23 03:59:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-23 03:59:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:59:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:59:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:59:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:59:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:59:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:59:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:59:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:59:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-23 03:59:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-23 03:59:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:59:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:59:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:59:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:59:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:59:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:59:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:59:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-23 03:59:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-23 03:59:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:59:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:59:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-23 03:59:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-23 03:59:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-23 03:59:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-23 03:59:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-23 03:59:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-23 03:59:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 03:59:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 03:59:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-23 03:59:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-23 03:59:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:59:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:59:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-23 03:59:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-23 03:59:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 03:59:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 03:59:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:59:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:59:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:59:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:59:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:59:12,051 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:59:12,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:59:12,118 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:59:18,676 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:59:18,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:59:18,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:59:18,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:59:18 BoogieIcfgContainer [2022-07-23 03:59:18,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:59:18,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:59:18,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:59:18,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:59:18,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:59:08" (1/3) ... [2022-07-23 03:59:18,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4548f0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:59:18, skipping insertion in model container [2022-07-23 03:59:18,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:59:10" (2/3) ... [2022-07-23 03:59:18,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4548f0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:59:18, skipping insertion in model container [2022-07-23 03:59:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:59:18" (3/3) ... [2022-07-23 03:59:18,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:59:18,714 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:59:18,715 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:59:18,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:59:18,803 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@596c75d9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64bda043 [2022-07-23 03:59:18,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:59:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1437 states have (on average 1.3089770354906054) internal successors, (1881), 1464 states have internal predecessors, (1881), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) [2022-07-23 03:59:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-23 03:59:18,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:18,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:18,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:18,826 INFO L85 PathProgramCache]: Analyzing trace with hash -629895464, now seen corresponding path program 1 times [2022-07-23 03:59:18,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:18,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815183861] [2022-07-23 03:59:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 03:59:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:59:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:59:19,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:19,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815183861] [2022-07-23 03:59:19,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815183861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:19,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:19,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:59:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123225433] [2022-07-23 03:59:19,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:19,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:59:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:19,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:59:19,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:59:19,418 INFO L87 Difference]: Start difference. First operand has 2021 states, 1437 states have (on average 1.3089770354906054) internal successors, (1881), 1464 states have internal predecessors, (1881), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-23 03:59:19,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:19,634 INFO L93 Difference]: Finished difference Result 4021 states and 5707 transitions. [2022-07-23 03:59:19,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:59:19,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-07-23 03:59:19,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:19,666 INFO L225 Difference]: With dead ends: 4021 [2022-07-23 03:59:19,667 INFO L226 Difference]: Without dead ends: 2011 [2022-07-23 03:59:19,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:59:19,684 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2734 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 8236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:19,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 8236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 03:59:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-07-23 03:59:19,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2011. [2022-07-23 03:59:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 1434 states have (on average 1.2489539748953975) internal successors, (1791), 1457 states have internal predecessors, (1791), 474 states have call successors, (474), 103 states have call predecessors, (474), 102 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2022-07-23 03:59:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2736 transitions. [2022-07-23 03:59:19,806 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2736 transitions. Word has length 48 [2022-07-23 03:59:19,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:19,807 INFO L495 AbstractCegarLoop]: Abstraction has 2011 states and 2736 transitions. [2022-07-23 03:59:19,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-23 03:59:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2736 transitions. [2022-07-23 03:59:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-23 03:59:19,809 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:19,809 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:19,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:59:19,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1221456940, now seen corresponding path program 1 times [2022-07-23 03:59:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:19,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137991081] [2022-07-23 03:59:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 03:59:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:59:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 03:59:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:59:19,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:19,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137991081] [2022-07-23 03:59:19,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137991081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:20,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:20,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:59:20,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529434049] [2022-07-23 03:59:20,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:20,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:59:20,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:20,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:59:20,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:59:20,004 INFO L87 Difference]: Start difference. First operand 2011 states and 2736 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 03:59:20,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:20,233 INFO L93 Difference]: Finished difference Result 3968 states and 5441 transitions. [2022-07-23 03:59:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:59:20,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-23 03:59:20,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:20,259 INFO L225 Difference]: With dead ends: 3968 [2022-07-23 03:59:20,259 INFO L226 Difference]: Without dead ends: 3966 [2022-07-23 03:59:20,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:59:20,265 INFO L413 NwaCegarLoop]: 3294 mSDtfsCounter, 2740 mSDsluCounter, 9244 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:20,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 12538 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 03:59:20,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-07-23 03:59:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3941. [2022-07-23 03:59:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3941 states, 2815 states have (on average 1.2486678507992894) internal successors, (3515), 2860 states have internal predecessors, (3515), 923 states have call successors, (923), 205 states have call predecessors, (923), 202 states have return successors, (969), 906 states have call predecessors, (969), 917 states have call successors, (969) [2022-07-23 03:59:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5407 transitions. [2022-07-23 03:59:20,399 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5407 transitions. Word has length 53 [2022-07-23 03:59:20,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:20,399 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5407 transitions. [2022-07-23 03:59:20,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 03:59:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5407 transitions. [2022-07-23 03:59:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-23 03:59:20,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:20,402 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:20,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:59:20,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash -754984168, now seen corresponding path program 1 times [2022-07-23 03:59:20,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:20,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104162417] [2022-07-23 03:59:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 03:59:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:59:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 03:59:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 03:59:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 03:59:20,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:20,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104162417] [2022-07-23 03:59:20,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104162417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:20,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:20,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:59:20,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423102579] [2022-07-23 03:59:20,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:20,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:59:20,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:20,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:59:20,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:59:20,619 INFO L87 Difference]: Start difference. First operand 3941 states and 5407 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 03:59:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:20,939 INFO L93 Difference]: Finished difference Result 7832 states and 10876 transitions. [2022-07-23 03:59:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:59:20,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-23 03:59:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:20,996 INFO L225 Difference]: With dead ends: 7832 [2022-07-23 03:59:20,996 INFO L226 Difference]: Without dead ends: 7828 [2022-07-23 03:59:21,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:59:21,007 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 2740 mSDsluCounter, 9194 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 12460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:21,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2741 Valid, 12460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 03:59:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2022-07-23 03:59:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7789. [2022-07-23 03:59:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7789 states, 5569 states have (on average 1.2486981504758485) internal successors, (6954), 5657 states have internal predecessors, (6954), 1819 states have call successors, (1819), 408 states have call predecessors, (1819), 400 states have return successors, (2049), 1784 states have call predecessors, (2049), 1807 states have call successors, (2049) [2022-07-23 03:59:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10822 transitions. [2022-07-23 03:59:21,315 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10822 transitions. Word has length 58 [2022-07-23 03:59:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:21,316 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 10822 transitions. [2022-07-23 03:59:21,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 03:59:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10822 transitions. [2022-07-23 03:59:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-23 03:59:21,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:21,318 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:21,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:59:21,318 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:21,319 INFO L85 PathProgramCache]: Analyzing trace with hash 216170348, now seen corresponding path program 1 times [2022-07-23 03:59:21,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:21,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161817020] [2022-07-23 03:59:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 03:59:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:59:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 03:59:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 03:59:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 03:59:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:59:21,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161817020] [2022-07-23 03:59:21,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161817020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:21,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:21,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:59:21,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631719866] [2022-07-23 03:59:21,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:21,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:59:21,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:21,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:59:21,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:59:21,532 INFO L87 Difference]: Start difference. First operand 7789 states and 10822 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:59:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:21,847 INFO L93 Difference]: Finished difference Result 15569 states and 22067 transitions. [2022-07-23 03:59:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:59:21,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-23 03:59:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:21,955 INFO L225 Difference]: With dead ends: 15569 [2022-07-23 03:59:21,955 INFO L226 Difference]: Without dead ends: 15499 [2022-07-23 03:59:21,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:59:21,977 INFO L413 NwaCegarLoop]: 3245 mSDtfsCounter, 2746 mSDsluCounter, 9207 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:21,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 12452 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 03:59:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2022-07-23 03:59:22,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 15489. [2022-07-23 03:59:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15489 states, 11082 states have (on average 1.2493232268543584) internal successors, (13845), 11256 states have internal predecessors, (13845), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-07-23 03:59:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15489 states to 15489 states and 21974 transitions. [2022-07-23 03:59:22,588 INFO L78 Accepts]: Start accepts. Automaton has 15489 states and 21974 transitions. Word has length 63 [2022-07-23 03:59:22,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:22,588 INFO L495 AbstractCegarLoop]: Abstraction has 15489 states and 21974 transitions. [2022-07-23 03:59:22,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:59:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15489 states and 21974 transitions. [2022-07-23 03:59:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-23 03:59:22,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:22,642 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-23 03:59:22,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:59:22,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:22,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash -384267300, now seen corresponding path program 1 times [2022-07-23 03:59:22,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:22,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491488101] [2022-07-23 03:59:22,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 03:59:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:59:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:59:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 03:59:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:59:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 03:59:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:59:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 03:59:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:59:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 03:59:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 03:59:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 03:59:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 03:59:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 03:59:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 03:59:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 03:59:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:59:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:59:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:59:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-07-23 03:59:23,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:23,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491488101] [2022-07-23 03:59:23,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491488101] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 03:59:23,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243884887] [2022-07-23 03:59:23,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:23,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 03:59:23,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:59:23,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 03:59:23,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 03:59:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:24,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:59:24,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:59:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-23 03:59:24,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:59:24,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243884887] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:24,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:59:24,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-23 03:59:24,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102839958] [2022-07-23 03:59:24,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:24,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:59:24,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:24,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:59:24,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:59:24,313 INFO L87 Difference]: Start difference. First operand 15489 states and 21974 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 03:59:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:24,783 INFO L93 Difference]: Finished difference Result 30971 states and 44997 transitions. [2022-07-23 03:59:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:59:24,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 304 [2022-07-23 03:59:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:24,871 INFO L225 Difference]: With dead ends: 30971 [2022-07-23 03:59:24,871 INFO L226 Difference]: Without dead ends: 15497 [2022-07-23 03:59:24,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:59:24,994 INFO L413 NwaCegarLoop]: 2728 mSDtfsCounter, 0 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5452 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:24,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5452 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 03:59:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15497 states. [2022-07-23 03:59:25,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15497 to 15497. [2022-07-23 03:59:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15497 states, 11090 states have (on average 1.2491433724075744) internal successors, (13853), 11264 states have internal predecessors, (13853), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-07-23 03:59:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15497 states to 15497 states and 21982 transitions. [2022-07-23 03:59:25,711 INFO L78 Accepts]: Start accepts. Automaton has 15497 states and 21982 transitions. Word has length 304 [2022-07-23 03:59:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:25,712 INFO L495 AbstractCegarLoop]: Abstraction has 15497 states and 21982 transitions. [2022-07-23 03:59:25,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 03:59:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 15497 states and 21982 transitions. [2022-07-23 03:59:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-23 03:59:25,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:25,760 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:25,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:59:25,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 03:59:25,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:25,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:25,977 INFO L85 PathProgramCache]: Analyzing trace with hash 725839613, now seen corresponding path program 1 times [2022-07-23 03:59:25,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:25,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076670478] [2022-07-23 03:59:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 03:59:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:59:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:59:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 03:59:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:59:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 03:59:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:59:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 03:59:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:59:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 03:59:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:59:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:59:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 03:59:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 03:59:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 03:59:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 03:59:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 03:59:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 03:59:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 03:59:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-23 03:59:26,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:26,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076670478] [2022-07-23 03:59:26,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076670478] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 03:59:26,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648080917] [2022-07-23 03:59:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 03:59:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:59:26,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 03:59:26,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 03:59:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:27,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 03:59:27,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:59:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-07-23 03:59:28,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:59:28,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648080917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:28,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:59:28,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [21] total 23 [2022-07-23 03:59:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982018731] [2022-07-23 03:59:28,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:28,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 03:59:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:28,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 03:59:28,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2022-07-23 03:59:28,015 INFO L87 Difference]: Start difference. First operand 15497 states and 21982 transitions. Second operand has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-07-23 03:59:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:28,994 INFO L93 Difference]: Finished difference Result 31389 states and 44573 transitions. [2022-07-23 03:59:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 03:59:28,995 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 301 [2022-07-23 03:59:28,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:29,080 INFO L225 Difference]: With dead ends: 31389 [2022-07-23 03:59:29,080 INFO L226 Difference]: Without dead ends: 15899 [2022-07-23 03:59:29,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2022-07-23 03:59:29,256 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 168 mSDsluCounter, 32728 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 35482 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:29,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 35482 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 03:59:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-07-23 03:59:29,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15627. [2022-07-23 03:59:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15627 states, 11179 states have (on average 1.2473387601753287) internal successors, (13944), 11359 states have internal predecessors, (13944), 3646 states have call successors, (3646), 807 states have call predecessors, (3646), 801 states have return successors, (4593), 3581 states have call predecessors, (4593), 3625 states have call successors, (4593) [2022-07-23 03:59:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22183 transitions. [2022-07-23 03:59:29,818 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22183 transitions. Word has length 301 [2022-07-23 03:59:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:29,819 INFO L495 AbstractCegarLoop]: Abstraction has 15627 states and 22183 transitions. [2022-07-23 03:59:29,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-07-23 03:59:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22183 transitions. [2022-07-23 03:59:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-23 03:59:29,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:29,826 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:29,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:59:30,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-23 03:59:30,050 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:30,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 187998421, now seen corresponding path program 1 times [2022-07-23 03:59:30,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:30,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832102475] [2022-07-23 03:59:30,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:30,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 03:59:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:59:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 03:59:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:59:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 03:59:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:59:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 03:59:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:59:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:59:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:59:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 03:59:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:59:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 03:59:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:59:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 03:59:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:59:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 03:59:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 03:59:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 03:59:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 03:59:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:59:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 03:59:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 03:59:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 03:59:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:59:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-23 03:59:30,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:30,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832102475] [2022-07-23 03:59:30,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832102475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:30,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:30,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 03:59:30,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300473005] [2022-07-23 03:59:30,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:30,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 03:59:30,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:30,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 03:59:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-23 03:59:30,818 INFO L87 Difference]: Start difference. First operand 15627 states and 22183 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 03:59:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:49,200 INFO L93 Difference]: Finished difference Result 37481 states and 55431 transitions. [2022-07-23 03:59:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 03:59:49,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 333 [2022-07-23 03:59:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:49,322 INFO L225 Difference]: With dead ends: 37481 [2022-07-23 03:59:49,322 INFO L226 Difference]: Without dead ends: 21869 [2022-07-23 03:59:49,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-23 03:59:49,399 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 2652 mSDsluCounter, 7580 mSDsCounter, 0 mSdLazyCounter, 12907 mSolverCounterSat, 1041 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 10035 SdHoareTripleChecker+Invalid, 13948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1041 IncrementalHoareTripleChecker+Valid, 12907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:49,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 10035 Invalid, 13948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1041 Valid, 12907 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-07-23 03:59:49,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2022-07-23 03:59:50,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 19828. [2022-07-23 03:59:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19828 states, 14282 states have (on average 1.2518554824254307) internal successors, (17879), 14538 states have internal predecessors, (17879), 4600 states have call successors, (4600), 807 states have call predecessors, (4600), 945 states have return successors, (6336), 4651 states have call predecessors, (6336), 4579 states have call successors, (6336) [2022-07-23 03:59:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 28815 transitions. [2022-07-23 03:59:50,559 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 28815 transitions. Word has length 333 [2022-07-23 03:59:50,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:50,560 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 28815 transitions. [2022-07-23 03:59:50,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 03:59:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 28815 transitions. [2022-07-23 03:59:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-23 03:59:50,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:50,570 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:59:50,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:59:50,570 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:50,570 INFO L85 PathProgramCache]: Analyzing trace with hash -348845889, now seen corresponding path program 1 times [2022-07-23 03:59:50,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:50,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902652484] [2022-07-23 03:59:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:50,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 03:59:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:59:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 03:59:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:59:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 03:59:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:59:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 03:59:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:59:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:59:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:59:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 03:59:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:59:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 03:59:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:59:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 03:59:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:59:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 03:59:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 03:59:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:59:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:59:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:59:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:59:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 03:59:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 03:59:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 03:59:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 03:59:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-23 03:59:51,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902652484] [2022-07-23 03:59:51,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902652484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:51,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:51,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 03:59:51,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477360282] [2022-07-23 03:59:51,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:51,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 03:59:51,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 03:59:51,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-23 03:59:51,270 INFO L87 Difference]: Start difference. First operand 19828 states and 28815 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 04:00:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:07,082 INFO L93 Difference]: Finished difference Result 45800 states and 68647 transitions. [2022-07-23 04:00:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:00:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 349 [2022-07-23 04:00:07,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:07,283 INFO L225 Difference]: With dead ends: 45800 [2022-07-23 04:00:07,283 INFO L226 Difference]: Without dead ends: 25987 [2022-07-23 04:00:07,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-07-23 04:00:07,453 INFO L413 NwaCegarLoop]: 2714 mSDtfsCounter, 7425 mSDsluCounter, 9547 mSDsCounter, 0 mSdLazyCounter, 14135 mSolverCounterSat, 5104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7823 SdHoareTripleChecker+Valid, 12261 SdHoareTripleChecker+Invalid, 19239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5104 IncrementalHoareTripleChecker+Valid, 14135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:07,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7823 Valid, 12261 Invalid, 19239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5104 Valid, 14135 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2022-07-23 04:00:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-07-23 04:00:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 23508. [2022-07-23 04:00:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23508 states, 17019 states have (on average 1.2537751924319878) internal successors, (21338), 17294 states have internal predecessors, (21338), 5488 states have call successors, (5488), 807 states have call predecessors, (5488), 1000 states have return successors, (7777), 5617 states have call predecessors, (7777), 5467 states have call successors, (7777) [2022-07-23 04:00:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 34603 transitions. [2022-07-23 04:00:09,068 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 34603 transitions. Word has length 349 [2022-07-23 04:00:09,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:09,072 INFO L495 AbstractCegarLoop]: Abstraction has 23508 states and 34603 transitions. [2022-07-23 04:00:09,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 04:00:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 34603 transitions. [2022-07-23 04:00:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-23 04:00:09,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:09,105 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:09,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:00:09,105 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1593374211, now seen corresponding path program 1 times [2022-07-23 04:00:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:09,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203692521] [2022-07-23 04:00:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:09,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:00:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:00:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:00:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:00:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 04:00:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:00:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 04:00:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 04:00:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 04:00:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:00:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 04:00:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 04:00:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:00:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 04:00:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:00:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:00:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:00:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:00:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 04:00:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:00:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 04:00:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 04:00:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 04:00:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 04:00:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 04:00:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 04:00:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 04:00:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 04:00:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 04:00:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 04:00:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 04:00:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 04:00:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 04:00:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 04:00:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:00:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-23 04:00:09,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:09,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203692521] [2022-07-23 04:00:09,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203692521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:09,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:09,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:00:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815655830] [2022-07-23 04:00:09,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:09,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:00:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:09,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:00:09,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:00:09,907 INFO L87 Difference]: Start difference. First operand 23508 states and 34603 transitions. Second operand has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-23 04:00:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:32,658 INFO L93 Difference]: Finished difference Result 51696 states and 79447 transitions. [2022-07-23 04:00:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-23 04:00:32,659 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 398 [2022-07-23 04:00:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:32,819 INFO L225 Difference]: With dead ends: 51696 [2022-07-23 04:00:32,820 INFO L226 Difference]: Without dead ends: 28203 [2022-07-23 04:00:32,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2022-07-23 04:00:32,954 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 8452 mSDsluCounter, 9902 mSDsCounter, 0 mSdLazyCounter, 17444 mSolverCounterSat, 5336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8956 SdHoareTripleChecker+Valid, 12435 SdHoareTripleChecker+Invalid, 22780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5336 IncrementalHoareTripleChecker+Valid, 17444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:32,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8956 Valid, 12435 Invalid, 22780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5336 Valid, 17444 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2022-07-23 04:00:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2022-07-23 04:00:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 22951. [2022-07-23 04:00:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 16719 states have (on average 1.2499551408577068) internal successors, (20898), 16927 states have internal predecessors, (20898), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1000 states have return successors, (7644), 5406 states have call predecessors, (7644), 5210 states have call successors, (7644) [2022-07-23 04:00:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33773 transitions. [2022-07-23 04:00:34,527 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33773 transitions. Word has length 398 [2022-07-23 04:00:34,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:34,528 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33773 transitions. [2022-07-23 04:00:34,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-23 04:00:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33773 transitions. [2022-07-23 04:00:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-23 04:00:34,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:34,560 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:34,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:00:34,561 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:34,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:34,561 INFO L85 PathProgramCache]: Analyzing trace with hash 685371158, now seen corresponding path program 1 times [2022-07-23 04:00:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:34,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049243849] [2022-07-23 04:00:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:00:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:00:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:00:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:00:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 04:00:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:00:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:34,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 04:00:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 04:00:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 04:00:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:00:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 04:00:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 04:00:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:00:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 04:00:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:00:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:00:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:00:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:00:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 04:00:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:00:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 04:00:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 04:00:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 04:00:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 04:00:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 04:00:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 04:00:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 04:00:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 04:00:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 04:00:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 04:00:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 04:00:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 04:00:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-23 04:00:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 04:00:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 04:00:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-23 04:00:35,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:35,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049243849] [2022-07-23 04:00:35,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049243849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:35,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:35,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:00:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515965118] [2022-07-23 04:00:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:35,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:00:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:00:35,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:00:35,578 INFO L87 Difference]: Start difference. First operand 22951 states and 33773 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-23 04:00:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:58,723 INFO L93 Difference]: Finished difference Result 50828 states and 76506 transitions. [2022-07-23 04:00:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-23 04:00:58,724 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 391 [2022-07-23 04:00:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:58,893 INFO L225 Difference]: With dead ends: 50828 [2022-07-23 04:00:58,894 INFO L226 Difference]: Without dead ends: 27892 [2022-07-23 04:00:58,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-07-23 04:00:58,999 INFO L413 NwaCegarLoop]: 2471 mSDtfsCounter, 9446 mSDsluCounter, 10296 mSDsCounter, 0 mSdLazyCounter, 18478 mSolverCounterSat, 7167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9921 SdHoareTripleChecker+Valid, 12767 SdHoareTripleChecker+Invalid, 25645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7167 IncrementalHoareTripleChecker+Valid, 18478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:59,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9921 Valid, 12767 Invalid, 25645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7167 Valid, 18478 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2022-07-23 04:00:59,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2022-07-23 04:01:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 22951. [2022-07-23 04:01:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 16719 states have (on average 1.249775704288534) internal successors, (20895), 16927 states have internal predecessors, (20895), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1000 states have return successors, (7644), 5406 states have call predecessors, (7644), 5210 states have call successors, (7644) [2022-07-23 04:01:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33770 transitions. [2022-07-23 04:01:00,468 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33770 transitions. Word has length 391 [2022-07-23 04:01:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:00,469 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33770 transitions. [2022-07-23 04:01:00,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-23 04:01:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33770 transitions. [2022-07-23 04:01:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-23 04:01:00,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:00,508 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:00,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:01:00,509 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:01:00,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:00,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1496685065, now seen corresponding path program 1 times [2022-07-23 04:01:00,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:00,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348390865] [2022-07-23 04:01:00,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:00,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:01:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:01:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 04:01:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:01:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 04:01:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 04:01:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 04:01:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:01:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 04:01:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 04:01:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:01:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 04:01:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:01:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:01:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:01:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:01:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 04:01:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:01:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:01:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 04:01:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 04:01:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:01:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 04:01:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 04:01:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 04:01:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 04:01:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 04:01:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 04:01:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 04:01:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 04:01:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 04:01:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:01:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 04:01:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 04:01:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-07-23 04:01:01,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:01,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348390865] [2022-07-23 04:01:01,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348390865] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:01,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607551046] [2022-07-23 04:01:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:01,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:01,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:01,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:01,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 04:01:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:02,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 3874 conjuncts, 41 conjunts are in the unsatisfiable core [2022-07-23 04:01:02,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-23 04:01:02,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:02,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607551046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:02,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:02,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 12 [2022-07-23 04:01:02,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652086077] [2022-07-23 04:01:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:02,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:01:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:02,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:01:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:01:02,715 INFO L87 Difference]: Start difference. First operand 22951 states and 33770 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-23 04:01:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:03,966 INFO L93 Difference]: Finished difference Result 45951 states and 69579 transitions. [2022-07-23 04:01:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:01:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 429 [2022-07-23 04:01:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:04,093 INFO L225 Difference]: With dead ends: 45951 [2022-07-23 04:01:04,094 INFO L226 Difference]: Without dead ends: 23015 [2022-07-23 04:01:04,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 560 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:01:04,214 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 7 mSDsluCounter, 10883 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13609 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:04,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13609 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:01:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23015 states. [2022-07-23 04:01:05,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23015 to 22991. [2022-07-23 04:01:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22991 states, 16751 states have (on average 1.249298549340338) internal successors, (20927), 16959 states have internal predecessors, (20927), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1008 states have return successors, (7749), 5414 states have call predecessors, (7749), 5210 states have call successors, (7749) [2022-07-23 04:01:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22991 states to 22991 states and 33907 transitions. [2022-07-23 04:01:05,475 INFO L78 Accepts]: Start accepts. Automaton has 22991 states and 33907 transitions. Word has length 429 [2022-07-23 04:01:05,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:05,476 INFO L495 AbstractCegarLoop]: Abstraction has 22991 states and 33907 transitions. [2022-07-23 04:01:05,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-23 04:01:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 22991 states and 33907 transitions. [2022-07-23 04:01:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-07-23 04:01:05,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:05,513 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:05,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:05,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:05,728 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:01:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1126431765, now seen corresponding path program 1 times [2022-07-23 04:01:05,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:05,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964937815] [2022-07-23 04:01:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:01:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:01:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 04:01:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:01:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:01:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:01:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:01:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:01:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:01:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:01:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:01:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 04:01:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:01:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 04:01:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:01:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 04:01:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:01:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 04:01:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 04:01:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 04:01:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:01:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 04:01:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 04:01:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 04:01:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 04:01:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 04:01:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 04:01:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 04:01:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 04:01:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 04:01:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 04:01:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 04:01:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 04:01:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 04:01:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 04:01:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 04:01:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 04:01:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-07-23 04:01:06,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:06,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964937815] [2022-07-23 04:01:06,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964937815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:06,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:01:06,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 04:01:06,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092754087] [2022-07-23 04:01:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:06,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 04:01:06,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 04:01:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:06,726 INFO L87 Difference]: Start difference. First operand 22991 states and 33907 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-23 04:01:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:24,532 INFO L93 Difference]: Finished difference Result 50924 states and 78214 transitions. [2022-07-23 04:01:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 04:01:24,559 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 434 [2022-07-23 04:01:24,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:24,686 INFO L225 Difference]: With dead ends: 50924 [2022-07-23 04:01:24,686 INFO L226 Difference]: Without dead ends: 27948 [2022-07-23 04:01:24,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2022-07-23 04:01:24,787 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 10717 mSDsluCounter, 7231 mSDsCounter, 0 mSdLazyCounter, 12058 mSolverCounterSat, 8256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11207 SdHoareTripleChecker+Valid, 9687 SdHoareTripleChecker+Invalid, 20314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8256 IncrementalHoareTripleChecker+Valid, 12058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:24,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11207 Valid, 9687 Invalid, 20314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8256 Valid, 12058 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-07-23 04:01:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27948 states. [2022-07-23 04:01:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27948 to 23015. [2022-07-23 04:01:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23015 states, 16775 states have (on average 1.2489418777943369) internal successors, (20951), 16983 states have internal predecessors, (20951), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1008 states have return successors, (7749), 5414 states have call predecessors, (7749), 5210 states have call successors, (7749) [2022-07-23 04:01:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 33931 transitions. [2022-07-23 04:01:26,204 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 33931 transitions. Word has length 434 [2022-07-23 04:01:26,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:26,206 INFO L495 AbstractCegarLoop]: Abstraction has 23015 states and 33931 transitions. [2022-07-23 04:01:26,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-23 04:01:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 33931 transitions. [2022-07-23 04:01:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-23 04:01:26,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:26,235 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:26,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:01:26,235 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:01:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1513801863, now seen corresponding path program 1 times [2022-07-23 04:01:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073281781] [2022-07-23 04:01:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:01:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:01:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 04:01:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:01:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:01:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:01:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:01:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:01:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:01:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:01:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:01:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:01:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 04:01:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:01:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 04:01:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 04:01:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 04:01:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:01:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 04:01:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:01:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 04:01:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:01:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 04:01:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 04:01:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 04:01:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:01:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:01:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 04:01:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 04:01:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 04:01:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-23 04:01:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 04:01:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 04:01:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 04:01:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 04:01:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 04:01:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 04:01:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 04:01:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:27,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073281781] [2022-07-23 04:01:27,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073281781] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:27,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706111415] [2022-07-23 04:01:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:27,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:27,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 04:01:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 3817 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-23 04:01:28,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2022-07-23 04:01:28,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:01:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 43 proven. 33 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2022-07-23 04:01:29,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706111415] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:01:29,029 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:01:29,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-07-23 04:01:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486505530] [2022-07-23 04:01:29,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:01:29,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-23 04:01:29,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:29,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-23 04:01:29,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=746, Unknown=0, NotChecked=0, Total=812 [2022-07-23 04:01:29,035 INFO L87 Difference]: Start difference. First operand 23015 states and 33931 transitions. Second operand has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2022-07-23 04:02:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:02:11,401 INFO L93 Difference]: Finished difference Result 50933 states and 76341 transitions. [2022-07-23 04:02:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-07-23 04:02:11,402 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) Word has length 455 [2022-07-23 04:02:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:02:11,669 INFO L225 Difference]: With dead ends: 50933 [2022-07-23 04:02:11,670 INFO L226 Difference]: Without dead ends: 27924 [2022-07-23 04:02:11,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1099 GetRequests, 1043 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=396, Invalid=2796, Unknown=0, NotChecked=0, Total=3192 [2022-07-23 04:02:11,765 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 9620 mSDsluCounter, 23485 mSDsCounter, 0 mSdLazyCounter, 50149 mSolverCounterSat, 6595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10107 SdHoareTripleChecker+Valid, 25911 SdHoareTripleChecker+Invalid, 56744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6595 IncrementalHoareTripleChecker+Valid, 50149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:02:11,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10107 Valid, 25911 Invalid, 56744 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6595 Valid, 50149 Invalid, 0 Unknown, 0 Unchecked, 38.9s Time] [2022-07-23 04:02:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27924 states. [2022-07-23 04:02:13,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27924 to 23001. [2022-07-23 04:02:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 16775 states have (on average 1.2484649776453056) internal successors, (20943), 16975 states have internal predecessors, (20943), 5217 states have call successors, (5217), 795 states have call predecessors, (5217), 1008 states have return successors, (7742), 5407 states have call predecessors, (7742), 5203 states have call successors, (7742) [2022-07-23 04:02:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33902 transitions. [2022-07-23 04:02:13,319 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33902 transitions. Word has length 455 [2022-07-23 04:02:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:02:13,320 INFO L495 AbstractCegarLoop]: Abstraction has 23001 states and 33902 transitions. [2022-07-23 04:02:13,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2022-07-23 04:02:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33902 transitions. [2022-07-23 04:02:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-23 04:02:13,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:02:13,355 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:02:13,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 04:02:13,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:02:13,573 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:02:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:02:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2107471842, now seen corresponding path program 1 times [2022-07-23 04:02:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:02:13,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333486425] [2022-07-23 04:02:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:02:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:02:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:02:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:02:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:02:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:02:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:02:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:02:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:02:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:02:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:02:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:02:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:02:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:02:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:02:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 04:02:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:02:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 04:02:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 04:02:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 04:02:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:02:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:02:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 04:02:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:02:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 04:02:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:02:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:02:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 04:02:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 04:02:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:02:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 04:02:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 04:02:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 04:02:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 04:02:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 04:02:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:02:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 04:02:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 04:02:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-23 04:02:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-23 04:02:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 04:02:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-23 04:02:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-07-23 04:02:14,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:02:14,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333486425] [2022-07-23 04:02:14,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333486425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:02:14,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:02:14,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 04:02:14,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721114097] [2022-07-23 04:02:14,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:02:14,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:02:14,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:02:14,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:02:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:02:14,334 INFO L87 Difference]: Start difference. First operand 23001 states and 33902 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-23 04:02:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:02:37,272 INFO L93 Difference]: Finished difference Result 51019 states and 78172 transitions. [2022-07-23 04:02:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-23 04:02:37,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) Word has length 470 [2022-07-23 04:02:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:02:37,395 INFO L225 Difference]: With dead ends: 51019 [2022-07-23 04:02:37,396 INFO L226 Difference]: Without dead ends: 28033 [2022-07-23 04:02:37,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=922, Unknown=0, NotChecked=0, Total=1122 [2022-07-23 04:02:37,484 INFO L413 NwaCegarLoop]: 2593 mSDtfsCounter, 8188 mSDsluCounter, 8789 mSDsCounter, 0 mSdLazyCounter, 15771 mSolverCounterSat, 4178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8683 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 19949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4178 IncrementalHoareTripleChecker+Valid, 15771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:02:37,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8683 Valid, 11382 Invalid, 19949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4178 Valid, 15771 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2022-07-23 04:02:37,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28033 states. [2022-07-23 04:02:38,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28033 to 23019. [2022-07-23 04:02:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23019 states, 16793 states have (on average 1.2481986542011552) internal successors, (20961), 16987 states have internal predecessors, (20961), 5217 states have call successors, (5217), 795 states have call predecessors, (5217), 1008 states have return successors, (7742), 5413 states have call predecessors, (7742), 5203 states have call successors, (7742) [2022-07-23 04:02:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23019 states to 23019 states and 33920 transitions. [2022-07-23 04:02:38,853 INFO L78 Accepts]: Start accepts. Automaton has 23019 states and 33920 transitions. Word has length 470 [2022-07-23 04:02:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:02:38,854 INFO L495 AbstractCegarLoop]: Abstraction has 23019 states and 33920 transitions. [2022-07-23 04:02:38,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-23 04:02:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 23019 states and 33920 transitions. [2022-07-23 04:02:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-23 04:02:38,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:02:38,885 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:02:38,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:02:38,885 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:02:38,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:02:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1917341221, now seen corresponding path program 1 times [2022-07-23 04:02:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:02:38,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837467613] [2022-07-23 04:02:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:02:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:02:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:02:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:02:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:02:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:02:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:02:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:02:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:02:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:02:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:02:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:02:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:02:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:02:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:02:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 04:02:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:02:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 04:02:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 04:02:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 04:02:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:02:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:02:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 04:02:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:02:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 04:02:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:02:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 04:02:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 04:02:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 04:02:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:02:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:02:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 04:02:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:02:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 04:02:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 04:02:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 04:02:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 04:02:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-23 04:02:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-23 04:02:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 04:02:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 04:02:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 04:02:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-23 04:02:39,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:02:39,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837467613] [2022-07-23 04:02:39,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837467613] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:02:39,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732093500] [2022-07-23 04:02:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:39,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:02:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:02:39,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:02:39,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 04:02:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:41,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 3893 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-23 04:02:41,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:02:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-23 04:02:41,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:02:41,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732093500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:02:41,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:02:41,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 21 [2022-07-23 04:02:41,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830227227] [2022-07-23 04:02:41,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:02:41,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:02:41,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:02:41,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:02:41,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2022-07-23 04:02:41,473 INFO L87 Difference]: Start difference. First operand 23019 states and 33920 transitions. Second operand has 12 states, 10 states have (on average 18.5) internal successors, (185), 9 states have internal predecessors, (185), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 04:02:44,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:02:44,241 INFO L93 Difference]: Finished difference Result 49735 states and 75955 transitions. [2022-07-23 04:02:44,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:02:44,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 18.5) internal successors, (185), 9 states have internal predecessors, (185), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) Word has length 466 [2022-07-23 04:02:44,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:02:44,374 INFO L225 Difference]: With dead ends: 49735 [2022-07-23 04:02:44,374 INFO L226 Difference]: Without dead ends: 26731 [2022-07-23 04:02:44,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 607 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2022-07-23 04:02:44,474 INFO L413 NwaCegarLoop]: 2980 mSDtfsCounter, 617 mSDsluCounter, 29344 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 32324 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:02:44,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 32324 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 04:02:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26731 states. [2022-07-23 04:02:45,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26731 to 23059. [2022-07-23 04:02:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23059 states, 16825 states have (on average 1.2477265973254086) internal successors, (20993), 17011 states have internal predecessors, (20993), 5225 states have call successors, (5225), 795 states have call predecessors, (5225), 1008 states have return successors, (7750), 5429 states have call predecessors, (7750), 5211 states have call successors, (7750) [2022-07-23 04:02:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23059 states to 23059 states and 33968 transitions. [2022-07-23 04:02:46,075 INFO L78 Accepts]: Start accepts. Automaton has 23059 states and 33968 transitions. Word has length 466 [2022-07-23 04:02:46,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:02:46,075 INFO L495 AbstractCegarLoop]: Abstraction has 23059 states and 33968 transitions. [2022-07-23 04:02:46,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 18.5) internal successors, (185), 9 states have internal predecessors, (185), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 04:02:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23059 states and 33968 transitions. [2022-07-23 04:02:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-23 04:02:46,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:02:46,114 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 11, 11, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:02:46,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-23 04:02:46,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-23 04:02:46,328 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:02:46,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:02:46,328 INFO L85 PathProgramCache]: Analyzing trace with hash -542648709, now seen corresponding path program 2 times [2022-07-23 04:02:46,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:02:46,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514374021] [2022-07-23 04:02:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:46,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:02:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 04:02:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:02:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:02:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 04:02:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:02:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:02:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:02:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:02:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:02:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 04:02:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:02:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:02:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:02:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 04:02:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:02:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:02:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 04:02:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:02:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 04:02:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:02:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 04:02:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 04:02:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:02:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:02:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 04:02:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:02:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:02:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 04:02:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 04:02:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 04:02:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 04:02:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 04:02:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:02:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 04:02:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 04:02:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 04:02:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 04:02:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 04:02:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 04:02:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-23 04:02:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-23 04:02:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 04:02:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:02:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-23 04:02:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-07-23 04:02:47,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:02:47,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514374021] [2022-07-23 04:02:47,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514374021] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:02:47,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943237189] [2022-07-23 04:02:47,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 04:02:47,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:02:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:02:47,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:02:47,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 04:02:48,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 04:02:48,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 04:02:48,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-23 04:02:48,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:02:48,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-23 04:02:48,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-23 04:02:49,372 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-07-23 04:02:49,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-07-23 04:02:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 04:02:49,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-23 04:02:49,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-23 04:02:49,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-23 04:02:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 541 proven. 10 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2022-07-23 04:02:49,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:02:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-07-23 04:02:50,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943237189] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:02:50,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:02:50,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 14] total 34 [2022-07-23 04:02:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259252232] [2022-07-23 04:02:50,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:02:50,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-07-23 04:02:50,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:02:50,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-07-23 04:02:50,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1034, Unknown=0, NotChecked=0, Total=1122 [2022-07-23 04:02:50,676 INFO L87 Difference]: Start difference. First operand 23059 states and 33968 transitions. Second operand has 34 states, 30 states have (on average 8.733333333333333) internal successors, (262), 20 states have internal predecessors, (262), 9 states have call successors, (110), 9 states have call predecessors, (110), 13 states have return successors, (96), 13 states have call predecessors, (96), 9 states have call successors, (96) [2022-07-23 04:03:14,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []