./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 eb692b52 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-?-eb692b5 [2022-07-20 03:44:15,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:44:15,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:44:15,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:44:15,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:44:15,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:44:15,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:44:15,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:44:15,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:44:15,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:44:15,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:44:15,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:44:15,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:44:15,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:44:15,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:44:15,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:44:15,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:44:15,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:44:15,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:44:15,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:44:15,284 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:44:15,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:44:15,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:44:15,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:44:15,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:44:15,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:44:15,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:44:15,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:44:15,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:44:15,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:44:15,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:44:15,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:44:15,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:44:15,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:44:15,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:44:15,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:44:15,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:44:15,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:44:15,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:44:15,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:44:15,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:44:15,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:44:15,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:44:15,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:44:15,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:44:15,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:44:15,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:44:15,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:44:15,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:44:15,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:44:15,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:44:15,350 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:44:15,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:44:15,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:44:15,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:44:15,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:44:15,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:44:15,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:44:15,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:44:15,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:44:15,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:44:15,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:44:15,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:44:15,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:44:15,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:44:15,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:44:15,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:44:15,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:44:15,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:44:15,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:44:15,354 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:44:15,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:44:15,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:44:15,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-07-20 03:44:15,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:44:15,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:44:15,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:44:15,569 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:44:15,569 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:44:15,571 INFO L432 ainManager$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 [2022-07-20 03:44:15,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee1f0636/31ea4f7aaeb64fe6a6766ae98e73ba42/FLAG4a8f0543c [2022-07-20 03:44:16,330 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:44:16,331 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 [2022-07-20 03:44:16,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee1f0636/31ea4f7aaeb64fe6a6766ae98e73ba42/FLAG4a8f0543c [2022-07-20 03:44:16,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee1f0636/31ea4f7aaeb64fe6a6766ae98e73ba42 [2022-07-20 03:44:16,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:44:16,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:44:16,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:44:16,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:44:16,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:44:16,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:44:16" (1/1) ... [2022-07-20 03:44:16,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659448c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:16, skipping insertion in model container [2022-07-20 03:44:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:44:16" (1/1) ... [2022-07-20 03:44:16,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:44:16,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:44:18,761 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] [2022-07-20 03:44:18,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:44:18,834 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:44:19,211 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] [2022-07-20 03:44:19,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:44:19,388 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:44:19,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19 WrapperNode [2022-07-20 03:44:19,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:44:19,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:44:19,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:44:19,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:44:19,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,732 INFO L137 Inliner]: procedures = 414, calls = 2181, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5992 [2022-07-20 03:44:19,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:44:19,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:44:19,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:44:19,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:44:19,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:44:19,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:44:19,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:44:19,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:44:19,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (1/1) ... [2022-07-20 03:44:19,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:44:19,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:44:20,005 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) [2022-07-20 03:44:20,014 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 [2022-07-20 03:44:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:44:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:44:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:44:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:44:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:44:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:44:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:44:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:44:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-20 03:44:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-20 03:44:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 03:44:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 03:44:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:44:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:44:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:44:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:44:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-20 03:44:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-20 03:44:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-20 03:44:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-20 03:44:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:44:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:44:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-20 03:44:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-20 03:44:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:44:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:44:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:44:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:44:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:44:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:44:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:44:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:44:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 03:44:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 03:44:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:44:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:44:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:44:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-20 03:44:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-20 03:44:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:44:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:44:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-20 03:44:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-20 03:44:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:44:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:44:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:44:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-20 03:44:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-20 03:44:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:44:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:44:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:44:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:44:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:44:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:44:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:44:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:44:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:44:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:44:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-20 03:44:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-20 03:44:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:44:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:44:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-20 03:44:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-20 03:44:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-20 03:44:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-20 03:44:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:44:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:44:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-20 03:44:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-20 03:44:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-20 03:44:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-20 03:44:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:44:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-20 03:44:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-20 03:44:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-20 03:44:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-20 03:44:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:44:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:44:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:44:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:44:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:44:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-20 03:44:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-20 03:44:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:44:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:44:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:44:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:44:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:44:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-20 03:44:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-20 03:44:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:44:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:44:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:44:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:44:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:44:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:44:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-20 03:44:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-20 03:44:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 03:44:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 03:44:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:44:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:44:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 03:44:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 03:44:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-20 03:44:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-20 03:44:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:44:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:44:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:44:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:44:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-20 03:44:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-20 03:44:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-20 03:44:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-20 03:44:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:44:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:44:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-20 03:44:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-20 03:44:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-20 03:44:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-20 03:44:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-20 03:44:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-20 03:44:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:44:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:44:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-20 03:44:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-20 03:44:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-20 03:44:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-20 03:44:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-20 03:44:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-20 03:44:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-20 03:44:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-20 03:44:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-20 03:44:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-20 03:44:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-20 03:44:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-20 03:44:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-20 03:44:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-20 03:44:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:44:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:44:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:44:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:44:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-20 03:44:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-20 03:44:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:44:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-20 03:44:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-20 03:44:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 03:44:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 03:44:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:44:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:44:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-20 03:44:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-20 03:44:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:44:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-20 03:44:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-20 03:44:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-20 03:44:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-20 03:44:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:44:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-20 03:44:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-20 03:44:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-20 03:44:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-20 03:44:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:44:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:44:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 03:44:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 03:44:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-20 03:44:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-20 03:44:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:44:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:44:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-20 03:44:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-20 03:44:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-20 03:44:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-20 03:44:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:44:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:44:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-20 03:44:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-20 03:44:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:44:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:44:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 03:44:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 03:44:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:44:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:44:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:44:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:44:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-20 03:44:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-20 03:44:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:44:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:44:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:44:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:44:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:44:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:44:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:44:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-20 03:44:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-20 03:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-20 03:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-20 03:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-20 03:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-20 03:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-20 03:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-20 03:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 03:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 03:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-20 03:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-20 03:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-20 03:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-20 03:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 03:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 03:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:44:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:44:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:44:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:44:20,957 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:44:20,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:44:21,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:44:28,489 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:44:28,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:44:28,515 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:44:28,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:44:28 BoogieIcfgContainer [2022-07-20 03:44:28,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:44:28,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:44:28,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:44:28,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:44:28,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:44:16" (1/3) ... [2022-07-20 03:44:28,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fdb123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:44:28, skipping insertion in model container [2022-07-20 03:44:28,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:19" (2/3) ... [2022-07-20 03:44:28,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fdb123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:44:28, skipping insertion in model container [2022-07-20 03:44:28,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:44:28" (3/3) ... [2022-07-20 03:44:28,529 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-20 03:44:28,541 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:44:28,541 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:44:28,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:44:28,658 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@e6a66c5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d5a1493 [2022-07-20 03:44:28,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:44:28,669 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) [2022-07-20 03:44:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-20 03:44:28,681 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:28,682 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] [2022-07-20 03:44:28,683 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] === [2022-07-20 03:44:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash -629895464, now seen corresponding path program 1 times [2022-07-20 03:44:28,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:28,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620591370] [2022-07-20 03:44:28,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 03:44:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 03:44:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 03:44:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620591370] [2022-07-20 03:44:29,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620591370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:29,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:29,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:44:29,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437399910] [2022-07-20 03:44:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:29,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:44:29,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:44:29,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:29,531 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) [2022-07-20 03:44:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:29,836 INFO L93 Difference]: Finished difference Result 4021 states and 5707 transitions. [2022-07-20 03:44:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:44:29,840 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 [2022-07-20 03:44:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:29,874 INFO L225 Difference]: With dead ends: 4021 [2022-07-20 03:44:29,875 INFO L226 Difference]: Without dead ends: 2011 [2022-07-20 03:44:29,895 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 [2022-07-20 03:44:29,898 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 [2022-07-20 03:44:29,898 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] [2022-07-20 03:44:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-07-20 03:44:30,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2011. [2022-07-20 03:44:30,061 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) [2022-07-20 03:44:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2736 transitions. [2022-07-20 03:44:30,083 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2736 transitions. Word has length 48 [2022-07-20 03:44:30,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:30,084 INFO L495 AbstractCegarLoop]: Abstraction has 2011 states and 2736 transitions. [2022-07-20 03:44:30,084 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) [2022-07-20 03:44:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2736 transitions. [2022-07-20 03:44:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-20 03:44:30,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:30,087 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] [2022-07-20 03:44:30,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:44:30,088 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] === [2022-07-20 03:44:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:30,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1221456940, now seen corresponding path program 1 times [2022-07-20 03:44:30,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:30,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805865295] [2022-07-20 03:44:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:30,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 03:44:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 03:44:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 03:44:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 03:44:30,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:30,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805865295] [2022-07-20 03:44:30,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805865295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:30,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:30,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:44:30,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744361988] [2022-07-20 03:44:30,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:30,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:44:30,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:30,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:44:30,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:30,393 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) [2022-07-20 03:44:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:30,651 INFO L93 Difference]: Finished difference Result 3968 states and 5441 transitions. [2022-07-20 03:44:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:44:30,651 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 [2022-07-20 03:44:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:30,683 INFO L225 Difference]: With dead ends: 3968 [2022-07-20 03:44:30,683 INFO L226 Difference]: Without dead ends: 3966 [2022-07-20 03:44:30,686 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 [2022-07-20 03:44:30,687 INFO L413 NwaCegarLoop]: 3280 mSDtfsCounter, 2740 mSDsluCounter, 9216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 12496 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 [2022-07-20 03:44:30,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 12496 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:44:30,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-07-20 03:44:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3941. [2022-07-20 03:44:30,828 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) [2022-07-20 03:44:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5407 transitions. [2022-07-20 03:44:30,855 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5407 transitions. Word has length 53 [2022-07-20 03:44:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:30,856 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5407 transitions. [2022-07-20 03:44:30,856 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) [2022-07-20 03:44:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5407 transitions. [2022-07-20 03:44:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-20 03:44:30,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:30,858 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] [2022-07-20 03:44:30,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:44:30,858 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] === [2022-07-20 03:44:30,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -754984168, now seen corresponding path program 1 times [2022-07-20 03:44:30,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:30,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225857209] [2022-07-20 03:44:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 03:44:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 03:44:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 03:44:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 03:44:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-20 03:44:31,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:31,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225857209] [2022-07-20 03:44:31,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225857209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:31,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:31,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:44:31,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114741768] [2022-07-20 03:44:31,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:31,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:44:31,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:31,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:44:31,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:31,104 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) [2022-07-20 03:44:31,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:31,450 INFO L93 Difference]: Finished difference Result 7832 states and 10876 transitions. [2022-07-20 03:44:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:44:31,450 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 [2022-07-20 03:44:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:31,537 INFO L225 Difference]: With dead ends: 7832 [2022-07-20 03:44:31,538 INFO L226 Difference]: Without dead ends: 7828 [2022-07-20 03:44:31,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:44:31,548 INFO L413 NwaCegarLoop]: 3280 mSDtfsCounter, 2740 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 12502 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 [2022-07-20 03:44:31,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2741 Valid, 12502 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:44:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2022-07-20 03:44:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7789. [2022-07-20 03:44:31,858 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) [2022-07-20 03:44:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10822 transitions. [2022-07-20 03:44:31,902 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10822 transitions. Word has length 58 [2022-07-20 03:44:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:31,903 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 10822 transitions. [2022-07-20 03:44:31,903 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) [2022-07-20 03:44:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10822 transitions. [2022-07-20 03:44:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-20 03:44:31,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:31,905 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] [2022-07-20 03:44:31,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:44:31,906 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] === [2022-07-20 03:44:31,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:31,906 INFO L85 PathProgramCache]: Analyzing trace with hash 216170348, now seen corresponding path program 1 times [2022-07-20 03:44:31,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:31,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136714548] [2022-07-20 03:44:31,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 03:44:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 03:44:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 03:44:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 03:44:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:44:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 03:44:32,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:32,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136714548] [2022-07-20 03:44:32,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136714548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:32,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:32,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:44:32,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730977541] [2022-07-20 03:44:32,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:32,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:44:32,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:32,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:44:32,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:32,110 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) [2022-07-20 03:44:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:32,538 INFO L93 Difference]: Finished difference Result 15569 states and 22067 transitions. [2022-07-20 03:44:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:44:32,539 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 [2022-07-20 03:44:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:32,685 INFO L225 Difference]: With dead ends: 15569 [2022-07-20 03:44:32,685 INFO L226 Difference]: Without dead ends: 15499 [2022-07-20 03:44:32,706 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 [2022-07-20 03:44:32,707 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 [2022-07-20 03:44:32,708 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] [2022-07-20 03:44:32,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2022-07-20 03:44:33,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 15489. [2022-07-20 03:44:33,386 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) [2022-07-20 03:44:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15489 states to 15489 states and 21974 transitions. [2022-07-20 03:44:33,482 INFO L78 Accepts]: Start accepts. Automaton has 15489 states and 21974 transitions. Word has length 63 [2022-07-20 03:44:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:33,482 INFO L495 AbstractCegarLoop]: Abstraction has 15489 states and 21974 transitions. [2022-07-20 03:44:33,483 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) [2022-07-20 03:44:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 15489 states and 21974 transitions. [2022-07-20 03:44:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-20 03:44:33,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:33,550 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] [2022-07-20 03:44:33,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:44:33,551 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] === [2022-07-20 03:44:33,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:33,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1162252793, now seen corresponding path program 1 times [2022-07-20 03:44:33,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:33,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876029126] [2022-07-20 03:44:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:33,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:44:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:44:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:44:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:44:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 03:44:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:44:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:44:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:44:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 03:44:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:44:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 03:44:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-20 03:44:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 03:44:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:44:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:44:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 03:44:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 03:44:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:44:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 03:44:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 03:44:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 03:44:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 03:44:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-07-20 03:44:34,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:34,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876029126] [2022-07-20 03:44:34,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876029126] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 03:44:34,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477494213] [2022-07-20 03:44:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:34,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 03:44:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:44:34,455 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) [2022-07-20 03:44:34,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 03:44:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:35,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:44:35,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:44:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-20 03:44:35,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:44:35,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477494213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:35,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 03:44:35,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-20 03:44:35,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394902880] [2022-07-20 03:44:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:35,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:44:35,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:35,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:44:35,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:44:35,505 INFO L87 Difference]: Start difference. First operand 15489 states and 21974 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-07-20 03:44:36,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:36,122 INFO L93 Difference]: Finished difference Result 30971 states and 44997 transitions. [2022-07-20 03:44:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:44:36,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 301 [2022-07-20 03:44:36,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:36,242 INFO L225 Difference]: With dead ends: 30971 [2022-07-20 03:44:36,243 INFO L226 Difference]: Without dead ends: 15497 [2022-07-20 03:44:36,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:44:36,386 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 [2022-07-20 03:44:36,386 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] [2022-07-20 03:44:36,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15497 states. [2022-07-20 03:44:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15497 to 15497. [2022-07-20 03:44:37,064 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) [2022-07-20 03:44:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15497 states to 15497 states and 21982 transitions. [2022-07-20 03:44:37,189 INFO L78 Accepts]: Start accepts. Automaton has 15497 states and 21982 transitions. Word has length 301 [2022-07-20 03:44:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:37,190 INFO L495 AbstractCegarLoop]: Abstraction has 15497 states and 21982 transitions. [2022-07-20 03:44:37,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-07-20 03:44:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15497 states and 21982 transitions. [2022-07-20 03:44:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-20 03:44:37,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:37,251 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] [2022-07-20 03:44:37,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:44:37,479 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 [2022-07-20 03:44:37,480 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] === [2022-07-20 03:44:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -820680480, now seen corresponding path program 1 times [2022-07-20 03:44:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:37,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048505765] [2022-07-20 03:44:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:44:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:44:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:44:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:44:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 03:44:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:44:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:44:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:44:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 03:44:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:44:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 03:44:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-20 03:44:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 03:44:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:44:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 03:44:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-20 03:44:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 03:44:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 03:44:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 03:44:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 03:44:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:44:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:44:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-07-20 03:44:38,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:38,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048505765] [2022-07-20 03:44:38,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048505765] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 03:44:38,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905242786] [2022-07-20 03:44:38,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 03:44:38,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:44:38,707 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) [2022-07-20 03:44:38,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 03:44:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:39,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-20 03:44:39,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:44:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-20 03:44:39,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:44:39,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905242786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:39,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 03:44:39,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 26 [2022-07-20 03:44:39,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792589355] [2022-07-20 03:44:39,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:39,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-20 03:44:39,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:39,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-20 03:44:39,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-07-20 03:44:39,899 INFO L87 Difference]: Start difference. First operand 15497 states and 21982 transitions. Second operand has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 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) [2022-07-20 03:44:41,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:41,192 INFO L93 Difference]: Finished difference Result 31389 states and 44573 transitions. [2022-07-20 03:44:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 03:44:41,193 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 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 304 [2022-07-20 03:44:41,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:41,315 INFO L225 Difference]: With dead ends: 31389 [2022-07-20 03:44:41,316 INFO L226 Difference]: Without dead ends: 15899 [2022-07-20 03:44:41,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2022-07-20 03:44:41,400 INFO L413 NwaCegarLoop]: 2755 mSDtfsCounter, 168 mSDsluCounter, 32739 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 35494 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:41,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 35494 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 03:44:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-07-20 03:44:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15627. [2022-07-20 03:44:42,184 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) [2022-07-20 03:44:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22183 transitions. [2022-07-20 03:44:42,302 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22183 transitions. Word has length 304 [2022-07-20 03:44:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:42,304 INFO L495 AbstractCegarLoop]: Abstraction has 15627 states and 22183 transitions. [2022-07-20 03:44:42,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 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) [2022-07-20 03:44:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22183 transitions. [2022-07-20 03:44:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-20 03:44:42,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:42,316 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] [2022-07-20 03:44:42,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:44:42,531 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 [2022-07-20 03:44:42,532 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] === [2022-07-20 03:44:42,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:42,532 INFO L85 PathProgramCache]: Analyzing trace with hash 187998421, now seen corresponding path program 1 times [2022-07-20 03:44:42,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:42,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352126102] [2022-07-20 03:44:42,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:42,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:44:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:44:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:44:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:44:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 03:44:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:44:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 03:44:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-20 03:44:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 03:44:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:44:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:44:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:44:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:44:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:44:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:44:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:44:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:44:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 03:44:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:44:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 03:44:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 03:44:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 03:44:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-20 03:44:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:44:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 03:44:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-20 03:44:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 03:44:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 03:44:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-20 03:44:43,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:43,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352126102] [2022-07-20 03:44:43,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352126102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:43,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:43,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 03:44:43,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462408955] [2022-07-20 03:44:43,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:43,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 03:44:43,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:43,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 03:44:43,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-20 03:44:43,623 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) [2022-07-20 03:44:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:58,864 INFO L93 Difference]: Finished difference Result 37481 states and 55431 transitions. [2022-07-20 03:44:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 03:44:58,865 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 [2022-07-20 03:44:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:59,023 INFO L225 Difference]: With dead ends: 37481 [2022-07-20 03:44:59,023 INFO L226 Difference]: Without dead ends: 21869 [2022-07-20 03:44:59,119 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 [2022-07-20 03:44:59,121 INFO L413 NwaCegarLoop]: 2461 mSDtfsCounter, 4894 mSDsluCounter, 7002 mSDsCounter, 0 mSdLazyCounter, 12049 mSolverCounterSat, 3421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 9463 SdHoareTripleChecker+Invalid, 15470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3421 IncrementalHoareTripleChecker+Valid, 12049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:59,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5308 Valid, 9463 Invalid, 15470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3421 Valid, 12049 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-07-20 03:44:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2022-07-20 03:45:00,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 19828. [2022-07-20 03:45:00,627 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) [2022-07-20 03:45:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 28815 transitions. [2022-07-20 03:45:00,778 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 28815 transitions. Word has length 333 [2022-07-20 03:45:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:45:00,780 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 28815 transitions. [2022-07-20 03:45:00,780 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) [2022-07-20 03:45:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 28815 transitions. [2022-07-20 03:45:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-20 03:45:00,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:45:00,795 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] [2022-07-20 03:45:00,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:45:00,795 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] === [2022-07-20 03:45:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:45:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash -348845889, now seen corresponding path program 1 times [2022-07-20 03:45:00,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:45:00,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488890671] [2022-07-20 03:45:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:45:00,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:45:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:45:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:45:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:45:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:45:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:45:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:45:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:45:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 03:45:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:45:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 03:45:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-20 03:45:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 03:45:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:45:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:45:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:45:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:45:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:45:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:45:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:45:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:45:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:45:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:45:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 03:45:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 03:45:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:45:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:45:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:45:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 03:45:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 03:45:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 03:45:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-20 03:45:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 03:45:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-20 03:45:01,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:45:01,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488890671] [2022-07-20 03:45:01,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488890671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:45:01,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:45:01,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 03:45:01,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405872407] [2022-07-20 03:45:01,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:45:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 03:45:01,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:45:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 03:45:01,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:45:01,856 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) [2022-07-20 03:45:19,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:45:19,822 INFO L93 Difference]: Finished difference Result 45800 states and 68647 transitions. [2022-07-20 03:45:19,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 03:45:19,823 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 [2022-07-20 03:45:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:45:20,020 INFO L225 Difference]: With dead ends: 45800 [2022-07-20 03:45:20,020 INFO L226 Difference]: Without dead ends: 25987 [2022-07-20 03:45:20,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-07-20 03:45:20,136 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 5537 mSDsluCounter, 10416 mSDsCounter, 0 mSdLazyCounter, 15158 mSolverCounterSat, 3409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5931 SdHoareTripleChecker+Valid, 13143 SdHoareTripleChecker+Invalid, 18567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3409 IncrementalHoareTripleChecker+Valid, 15158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:45:20,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5931 Valid, 13143 Invalid, 18567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3409 Valid, 15158 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-07-20 03:45:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-07-20 03:45:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 23508. [2022-07-20 03:45:21,558 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) [2022-07-20 03:45:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 34603 transitions. [2022-07-20 03:45:21,720 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 34603 transitions. Word has length 349 [2022-07-20 03:45:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:45:21,721 INFO L495 AbstractCegarLoop]: Abstraction has 23508 states and 34603 transitions. [2022-07-20 03:45:21,721 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) [2022-07-20 03:45:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 34603 transitions. [2022-07-20 03:45:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-20 03:45:21,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:45:21,758 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] [2022-07-20 03:45:21,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:45:21,758 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] === [2022-07-20 03:45:21,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:45:21,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1593374211, now seen corresponding path program 1 times [2022-07-20 03:45:21,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:45:21,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112113018] [2022-07-20 03:45:21,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:45:21,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:45:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:45:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:45:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:45:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:45:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:45:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:45:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:45:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 03:45:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:45:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 03:45:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-20 03:45:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 03:45:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:45:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:45:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:45:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:45:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:45:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:45:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:45:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:45:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:45:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 03:45:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 03:45:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:45:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 03:45:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 03:45:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 03:45:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-20 03:45:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 03:45:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 03:45:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 03:45:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-20 03:45:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 03:45:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 03:45:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:45:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 03:45:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-20 03:45:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-20 03:45:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:45:22,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112113018] [2022-07-20 03:45:22,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112113018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:45:22,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:45:22,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 03:45:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909044931] [2022-07-20 03:45:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:45:22,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 03:45:22,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:45:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 03:45:22,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-20 03:45:22,693 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) [2022-07-20 03:45:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:45:46,581 INFO L93 Difference]: Finished difference Result 51696 states and 79447 transitions. [2022-07-20 03:45:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-20 03:45:46,582 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 [2022-07-20 03:45:46,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:45:46,785 INFO L225 Difference]: With dead ends: 51696 [2022-07-20 03:45:46,785 INFO L226 Difference]: Without dead ends: 28203 [2022-07-20 03:45:46,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2022-07-20 03:45:46,950 INFO L413 NwaCegarLoop]: 2520 mSDtfsCounter, 10672 mSDsluCounter, 10035 mSDsCounter, 0 mSdLazyCounter, 17294 mSolverCounterSat, 8598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11175 SdHoareTripleChecker+Valid, 12555 SdHoareTripleChecker+Invalid, 25892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8598 IncrementalHoareTripleChecker+Valid, 17294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:45:46,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11175 Valid, 12555 Invalid, 25892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8598 Valid, 17294 Invalid, 0 Unknown, 0 Unchecked, 21.4s Time] [2022-07-20 03:45:46,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2022-07-20 03:45:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 22951. [2022-07-20 03:45:48,480 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) [2022-07-20 03:45:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33773 transitions. [2022-07-20 03:45:48,585 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33773 transitions. Word has length 398 [2022-07-20 03:45:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:45:48,585 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33773 transitions. [2022-07-20 03:45:48,586 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) [2022-07-20 03:45:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33773 transitions. [2022-07-20 03:45:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-20 03:45:48,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:45:48,815 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] [2022-07-20 03:45:48,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:45:48,816 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] === [2022-07-20 03:45:48,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:45:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash 685371158, now seen corresponding path program 1 times [2022-07-20 03:45:48,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:45:48,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618775027] [2022-07-20 03:45:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:45:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:45:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:45:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:45:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:45:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:45:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:45:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:45:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:45:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:45:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:45:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 03:45:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:45:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 03:45:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-20 03:45:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 03:45:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:45:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:45:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:45:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:45:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:45:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:45:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:45:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:45:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:45:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 03:45:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 03:45:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:45:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 03:45:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 03:45:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 03:45:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-20 03:45:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 03:45:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 03:45:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 03:45:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-20 03:45:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:45:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 03:45:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 03:45:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-20 03:45:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 03:45:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 03:45:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:45:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-20 03:45:49,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:45:49,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618775027] [2022-07-20 03:45:49,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618775027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:45:49,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:45:49,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 03:45:49,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969527062] [2022-07-20 03:45:49,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:45:49,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 03:45:49,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:45:49,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 03:45:49,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-20 03:45:49,691 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) [2022-07-20 03:46:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:46:09,062 INFO L93 Difference]: Finished difference Result 50828 states and 76506 transitions. [2022-07-20 03:46:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-20 03:46:09,063 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 [2022-07-20 03:46:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:46:09,196 INFO L225 Difference]: With dead ends: 50828 [2022-07-20 03:46:09,196 INFO L226 Difference]: Without dead ends: 27892 [2022-07-20 03:46:09,279 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 [2022-07-20 03:46:09,280 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 7524 mSDsluCounter, 10004 mSDsCounter, 0 mSdLazyCounter, 18381 mSolverCounterSat, 4010 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8000 SdHoareTripleChecker+Valid, 12445 SdHoareTripleChecker+Invalid, 22391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4010 IncrementalHoareTripleChecker+Valid, 18381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:46:09,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8000 Valid, 12445 Invalid, 22391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4010 Valid, 18381 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2022-07-20 03:46:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2022-07-20 03:46:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 22951. [2022-07-20 03:46:10,465 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) [2022-07-20 03:46:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33770 transitions. [2022-07-20 03:46:10,563 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33770 transitions. Word has length 391 [2022-07-20 03:46:10,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:46:10,564 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33770 transitions. [2022-07-20 03:46:10,564 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) [2022-07-20 03:46:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33770 transitions. [2022-07-20 03:46:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-20 03:46:10,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:46:10,603 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] [2022-07-20 03:46:10,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 03:46:10,603 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] === [2022-07-20 03:46:10,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:46:10,604 INFO L85 PathProgramCache]: Analyzing trace with hash 540545038, now seen corresponding path program 1 times [2022-07-20 03:46:10,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:46:10,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173572742] [2022-07-20 03:46:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:46:10,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:46:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:46:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:46:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:46:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:46:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:46:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:46:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:46:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:46:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:46:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:46:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:46:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 03:46:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:46:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 03:46:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-20 03:46:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 03:46:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:46:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:46:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:46:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:46:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:46:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:46:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:46:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:46:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:46:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 03:46:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 03:46:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 03:46:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 03:46:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 03:46:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 03:46:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 03:46:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 03:46:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-20 03:46:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 03:46:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-20 03:46:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 03:46:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:46:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:46:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 03:46:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-20 03:46:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-20 03:46:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 03:46:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 03:46:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-07-20 03:46:11,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:46:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173572742] [2022-07-20 03:46:11,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173572742] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 03:46:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432375184] [2022-07-20 03:46:11,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:46:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 03:46:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:46:11,903 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) [2022-07-20 03:46:11,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 03:46:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:46:12,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-20 03:46:13,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:46:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2022-07-20 03:46:13,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 03:46:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 31 proven. 21 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-07-20 03:46:13,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432375184] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 03:46:13,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 03:46:13,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 28 [2022-07-20 03:46:13,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145619728] [2022-07-20 03:46:13,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 03:46:13,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-20 03:46:13,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:46:13,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-20 03:46:13,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2022-07-20 03:46:13,889 INFO L87 Difference]: Start difference. First operand 22951 states and 33770 transitions. Second operand has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) [2022-07-20 03:46:58,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:46:58,942 INFO L93 Difference]: Finished difference Result 50867 states and 78076 transitions. [2022-07-20 03:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-20 03:46:58,942 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) Word has length 422 [2022-07-20 03:46:58,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:46:59,107 INFO L225 Difference]: With dead ends: 50867 [2022-07-20 03:46:59,107 INFO L226 Difference]: Without dead ends: 27924 [2022-07-20 03:46:59,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=387, Invalid=2583, Unknown=0, NotChecked=0, Total=2970 [2022-07-20 03:46:59,217 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 9130 mSDsluCounter, 24547 mSDsCounter, 0 mSdLazyCounter, 51204 mSolverCounterSat, 6194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9800 SdHoareTripleChecker+Valid, 26962 SdHoareTripleChecker+Invalid, 57398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6194 IncrementalHoareTripleChecker+Valid, 51204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:46:59,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9800 Valid, 26962 Invalid, 57398 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6194 Valid, 51204 Invalid, 0 Unknown, 0 Unchecked, 41.5s Time] [2022-07-20 03:46:59,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27924 states. [2022-07-20 03:47:00,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27924 to 22977. [2022-07-20 03:47:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22977 states, 16751 states have (on average 1.2488806638409646) internal successors, (20920), 16952 states have internal predecessors, (20920), 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) [2022-07-20 03:47:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22977 states to 22977 states and 33879 transitions. [2022-07-20 03:47:00,657 INFO L78 Accepts]: Start accepts. Automaton has 22977 states and 33879 transitions. Word has length 422 [2022-07-20 03:47:00,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:47:00,658 INFO L495 AbstractCegarLoop]: Abstraction has 22977 states and 33879 transitions. [2022-07-20 03:47:00,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) [2022-07-20 03:47:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 22977 states and 33879 transitions. [2022-07-20 03:47:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-20 03:47:00,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:47:00,707 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:47:00,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-20 03:47:00,923 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 [2022-07-20 03:47:00,924 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] === [2022-07-20 03:47:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:47:00,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1895019177, now seen corresponding path program 1 times [2022-07-20 03:47:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:47:00,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351929457] [2022-07-20 03:47:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:47:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:47:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:47:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:47:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:47:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:47:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:47:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:47:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 03:47:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:47:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 03:47:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 03:47:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 03:47:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 03:47:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 03:47:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 03:47:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 03:47:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:47:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:47:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 03:47:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 03:47:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 03:47:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:47:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 03:47:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 03:47:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 03:47:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 03:47:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:47:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:47:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-20 03:47:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 03:47:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 03:47:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 03:47:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-20 03:47:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 03:47:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 03:47:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:47:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 03:47:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-20 03:47:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 03:47:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 03:47:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 03:47:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 03:47:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-20 03:47:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-07-20 03:47:02,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:47:02,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351929457] [2022-07-20 03:47:02,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351929457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:47:02,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:47:02,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 03:47:02,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769431829] [2022-07-20 03:47:02,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:47:02,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 03:47:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:47:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 03:47:02,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-20 03:47:02,255 INFO L87 Difference]: Start difference. First operand 22977 states and 33879 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 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) [2022-07-20 03:47:18,677 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 [] [2022-07-20 03:47:28,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:47:28,674 INFO L93 Difference]: Finished difference Result 50896 states and 78158 transitions. [2022-07-20 03:47:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-20 03:47:28,674 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 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 445 [2022-07-20 03:47:28,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:47:28,812 INFO L225 Difference]: With dead ends: 50896 [2022-07-20 03:47:28,812 INFO L226 Difference]: Without dead ends: 27934 [2022-07-20 03:47:28,906 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 [2022-07-20 03:47:28,907 INFO L413 NwaCegarLoop]: 2464 mSDtfsCounter, 7817 mSDsluCounter, 7362 mSDsCounter, 0 mSdLazyCounter, 12922 mSolverCounterSat, 3967 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8309 SdHoareTripleChecker+Valid, 9826 SdHoareTripleChecker+Invalid, 16890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3967 IncrementalHoareTripleChecker+Valid, 12922 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:47:28,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8309 Valid, 9826 Invalid, 16890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3967 Valid, 12922 Invalid, 1 Unknown, 0 Unchecked, 24.0s Time] [2022-07-20 03:47:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27934 states. [2022-07-20 03:47:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27934 to 23001. [2022-07-20 03:47:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 16775 states have (on average 1.2485245901639344) internal successors, (20944), 16976 states have internal predecessors, (20944), 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) [2022-07-20 03:47:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33903 transitions. [2022-07-20 03:47:30,415 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33903 transitions. Word has length 445 [2022-07-20 03:47:30,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:47:30,416 INFO L495 AbstractCegarLoop]: Abstraction has 23001 states and 33903 transitions. [2022-07-20 03:47:30,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 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) [2022-07-20 03:47:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33903 transitions. [2022-07-20 03:47:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-20 03:47:30,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:47:30,461 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:47:30,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 03:47:30,462 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] === [2022-07-20 03:47:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:47:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1543744450, now seen corresponding path program 1 times [2022-07-20 03:47:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:47:30,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513386412] [2022-07-20 03:47:30,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:47:30,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:47:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:47:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:47:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:47:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:47:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:47:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:47:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 03:47:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:47:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 03:47:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 03:47:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 03:47:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 03:47:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 03:47:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 03:47:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 03:47:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:47:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 03:47:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 03:47:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 03:47:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 03:47:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:47:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:47:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:47:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:47:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:47:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 03:47:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 03:47:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:47:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 03:47:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 03:47:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:47:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 03:47:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 03:47:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 03:47:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 03:47:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 03:47:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 03:47:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 03:47:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-20 03:47:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-20 03:47:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 03:47:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-20 03:47:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-20 03:47:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-20 03:47:31,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:47:31,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513386412] [2022-07-20 03:47:31,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513386412] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 03:47:31,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229856454] [2022-07-20 03:47:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:47:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 03:47:31,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:47:31,763 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) [2022-07-20 03:47:31,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 03:47:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:32,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 3875 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-20 03:47:32,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:47:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 496 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-20 03:47:33,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:47:33,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229856454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:47:33,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 03:47:33,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2022-07-20 03:47:33,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294292489] [2022-07-20 03:47:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:47:33,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 03:47:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:47:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 03:47:33,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2022-07-20 03:47:33,374 INFO L87 Difference]: Start difference. First operand 23001 states and 33903 transitions. Second operand has 12 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 4 states have call successors, (62), 2 states have call predecessors, (62), 5 states have return successors, (60), 5 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-20 03:47:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:47:35,748 INFO L93 Difference]: Finished difference Result 49663 states and 75884 transitions. [2022-07-20 03:47:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 03:47:35,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 4 states have call successors, (62), 2 states have call predecessors, (62), 5 states have return successors, (60), 5 states have call predecessors, (60), 4 states have call successors, (60) Word has length 462 [2022-07-20 03:47:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:47:35,961 INFO L225 Difference]: With dead ends: 49663 [2022-07-20 03:47:35,961 INFO L226 Difference]: Without dead ends: 26677 [2022-07-20 03:47:36,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=792, Unknown=0, NotChecked=0, Total=870 [2022-07-20 03:47:36,110 INFO L413 NwaCegarLoop]: 2981 mSDtfsCounter, 617 mSDsluCounter, 29354 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 32335 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:47:36,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 32335 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 03:47:36,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26677 states. [2022-07-20 03:47:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26677 to 23041. [2022-07-20 03:47:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23041 states, 16807 states have (on average 1.248051407151782) internal successors, (20976), 17000 states have internal predecessors, (20976), 5225 states have call successors, (5225), 795 states have call predecessors, (5225), 1008 states have return successors, (7750), 5423 states have call predecessors, (7750), 5211 states have call successors, (7750) [2022-07-20 03:47:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23041 states to 23041 states and 33951 transitions. [2022-07-20 03:47:37,762 INFO L78 Accepts]: Start accepts. Automaton has 23041 states and 33951 transitions. Word has length 462 [2022-07-20 03:47:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:47:37,763 INFO L495 AbstractCegarLoop]: Abstraction has 23041 states and 33951 transitions. [2022-07-20 03:47:37,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 4 states have call successors, (62), 2 states have call predecessors, (62), 5 states have return successors, (60), 5 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-20 03:47:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 23041 states and 33951 transitions. [2022-07-20 03:47:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-20 03:47:37,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:47:37,799 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:47:37,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:47:38,000 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 [2022-07-20 03:47:38,000 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] === [2022-07-20 03:47:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:47:38,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1383128933, now seen corresponding path program 1 times [2022-07-20 03:47:38,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:47:38,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393189998] [2022-07-20 03:47:38,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:47:38,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:47:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:47:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:47:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:47:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:47:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:47:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:47:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 03:47:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:47:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 03:47:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 03:47:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 03:47:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:47:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 03:47:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:47:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:47:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:47:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 03:47:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 03:47:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:47:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:47:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 03:47:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 03:47:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 03:47:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 03:47:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:47:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:47:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:47:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 03:47:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:47:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 03:47:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 03:47:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 03:47:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 03:47:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 03:47:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:47:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 03:47:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-20 03:47:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 03:47:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 03:47:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 03:47:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 03:47:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 03:47:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 03:47:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:47:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 03:47:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-20 03:47:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 03:47:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 03:47:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-20 03:47:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:47:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2022-07-20 03:47:39,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:47:39,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393189998] [2022-07-20 03:47:39,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393189998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:47:39,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:47:39,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 03:47:39,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660988073] [2022-07-20 03:47:39,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:47:39,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 03:47:39,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:47:39,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 03:47:39,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:47:39,063 INFO L87 Difference]: Start difference. First operand 23041 states and 33951 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, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55)