./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:23:34,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:23:34,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:23:34,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:23:34,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:23:34,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:23:34,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:23:34,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:23:34,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:23:34,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:23:34,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:23:34,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:23:34,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:23:34,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:23:34,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:23:34,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:23:34,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:23:34,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:23:34,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:23:34,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:23:34,414 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:23:34,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:23:34,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:23:34,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:23:34,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:23:34,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:23:34,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:23:34,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:23:34,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:23:34,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:23:34,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:23:34,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:23:34,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:23:34,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:23:34,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:23:34,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:23:34,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:23:34,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:23:34,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:23:34,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:23:34,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:23:34,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:23:34,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:23:34,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:23:34,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:23:34,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:23:34,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:23:34,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:23:34,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:23:34,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:23:34,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:23:34,477 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:23:34,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:23:34,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:23:34,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:23:34,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:23:34,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:23:34,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:23:34,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:23:34,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:23:34,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:23:34,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:23:34,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:23:34,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:23:34,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:23:34,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:23:34,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:23:34,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-07-14 04:23:34,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:23:34,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:23:34,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:23:34,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:23:34,730 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:23:34,732 INFO L432 ainManager$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 [2022-07-14 04:23:34,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7bdda3d/28592c240c3d48a9a3aeeba06dcf2134/FLAG59d073744 [2022-07-14 04:23:35,417 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:23:35,418 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 [2022-07-14 04:23:35,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7bdda3d/28592c240c3d48a9a3aeeba06dcf2134/FLAG59d073744 [2022-07-14 04:23:35,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7bdda3d/28592c240c3d48a9a3aeeba06dcf2134 [2022-07-14 04:23:35,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:23:35,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:23:35,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:23:35,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:23:35,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:23:35,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:23:35" (1/1) ... [2022-07-14 04:23:35,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a213f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:35, skipping insertion in model container [2022-07-14 04:23:35,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:23:35" (1/1) ... [2022-07-14 04:23:35,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:23:35,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:23:38,258 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] [2022-07-14 04:23:38,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:23:38,332 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:23:38,681 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] [2022-07-14 04:23:38,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:23:38,823 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:23:38,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38 WrapperNode [2022-07-14 04:23:38,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:23:38,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:23:38,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:23:38,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:23:38,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:38,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,097 INFO L137 Inliner]: procedures = 414, calls = 2181, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5992 [2022-07-14 04:23:39,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:23:39,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:23:39,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:23:39,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:23:39,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:23:39,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:23:39,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:23:39,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:23:39,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (1/1) ... [2022-07-14 04:23:39,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:23:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:23:39,409 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) [2022-07-14 04:23:39,465 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 [2022-07-14 04:23:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:23:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:23:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:23:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:23:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:23:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:23:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:23:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:23:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-14 04:23:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-14 04:23:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 04:23:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 04:23:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:23:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:23:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:23:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:23:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-14 04:23:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-14 04:23:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-14 04:23:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-14 04:23:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:23:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:23:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-14 04:23:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-14 04:23:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:23:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:23:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:23:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:23:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:23:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:23:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:23:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:23:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 04:23:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 04:23:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:23:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:23:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:23:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-14 04:23:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-14 04:23:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:23:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:23:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 04:23:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 04:23:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:23:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:23:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:23:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-14 04:23:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-14 04:23:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:23:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:23:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 04:23:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 04:23:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:23:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:23:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:23:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:23:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:23:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:23:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-14 04:23:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-14 04:23:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:23:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:23:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-14 04:23:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-14 04:23:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-14 04:23:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-14 04:23:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:23:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:23:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-14 04:23:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-14 04:23:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-14 04:23:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-14 04:23:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:23:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-14 04:23:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-14 04:23:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-14 04:23:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-14 04:23:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:23:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:23:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:23:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:23:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:23:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-14 04:23:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-14 04:23:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:23:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:23:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:23:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:23:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:23:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-14 04:23:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-14 04:23:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:23:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:23:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:23:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:23:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:23:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:23:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-14 04:23:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-14 04:23:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 04:23:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 04:23:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:23:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:23:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 04:23:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 04:23:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-14 04:23:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-14 04:23:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:23:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:23:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:23:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:23:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-14 04:23:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-14 04:23:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-14 04:23:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-14 04:23:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:23:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:23:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-14 04:23:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-14 04:23:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-14 04:23:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-14 04:23:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-14 04:23:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-14 04:23:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:23:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:23:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-14 04:23:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-14 04:23:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-14 04:23:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-14 04:23:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-14 04:23:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-14 04:23:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-14 04:23:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-14 04:23:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-14 04:23:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-14 04:23:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-14 04:23:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-14 04:23:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-14 04:23:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-14 04:23:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:23:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:23:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:23:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:23:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-14 04:23:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-14 04:23:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:23:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-14 04:23:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-14 04:23:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 04:23:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 04:23:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:23:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:23:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-14 04:23:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-14 04:23:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:23:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-14 04:23:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-14 04:23:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-14 04:23:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-14 04:23:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:23:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-14 04:23:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-14 04:23:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-14 04:23:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-14 04:23:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:23:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:23:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 04:23:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 04:23:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-14 04:23:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-14 04:23:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:23:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:23:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-14 04:23:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-14 04:23:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-14 04:23:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-14 04:23:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:23:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:23:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-14 04:23:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-14 04:23:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:23:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:23:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 04:23:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 04:23:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:23:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:23:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:23:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:23:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-14 04:23:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-14 04:23:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:23:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:23:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:23:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:23:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:23:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:23:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:23:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-14 04:23:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-14 04:23:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:23:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:23:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-14 04:23:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-14 04:23:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-14 04:23:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-14 04:23:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-14 04:23:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-14 04:23:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 04:23:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 04:23:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-14 04:23:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-14 04:23:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:23:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:23:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-14 04:23:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-14 04:23:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 04:23:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 04:23:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:23:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:23:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:23:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 04:23:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 04:23:40,392 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:23:40,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:23:40,493 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:23:50,131 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:23:50,151 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:23:50,151 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:23:50,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:23:50 BoogieIcfgContainer [2022-07-14 04:23:50,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:23:50,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:23:50,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:23:50,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:23:50,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:23:35" (1/3) ... [2022-07-14 04:23:50,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3811d5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:23:50, skipping insertion in model container [2022-07-14 04:23:50,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:23:38" (2/3) ... [2022-07-14 04:23:50,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3811d5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:23:50, skipping insertion in model container [2022-07-14 04:23:50,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:23:50" (3/3) ... [2022-07-14 04:23:50,163 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-14 04:23:50,176 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:23:50,176 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 04:23:50,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:23:50,276 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@b280836, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3222a4da [2022-07-14 04:23:50,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 04:23:50,286 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) [2022-07-14 04:23:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-14 04:23:50,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:50,295 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] [2022-07-14 04:23:50,296 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] === [2022-07-14 04:23:50,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash -629895464, now seen corresponding path program 1 times [2022-07-14 04:23:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:50,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334873839] [2022-07-14 04:23:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:23:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:23:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:23:50,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:50,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334873839] [2022-07-14 04:23:50,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334873839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:50,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:50,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:23:50,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321222422] [2022-07-14 04:23:50,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:50,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:23:50,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:23:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:50,943 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) [2022-07-14 04:23:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:51,172 INFO L93 Difference]: Finished difference Result 4021 states and 5707 transitions. [2022-07-14 04:23:51,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:23:51,175 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 [2022-07-14 04:23:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:51,211 INFO L225 Difference]: With dead ends: 4021 [2022-07-14 04:23:51,211 INFO L226 Difference]: Without dead ends: 2011 [2022-07-14 04:23:51,233 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 [2022-07-14 04:23:51,238 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 [2022-07-14 04:23:51,239 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] [2022-07-14 04:23:51,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-07-14 04:23:51,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2011. [2022-07-14 04:23:51,398 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) [2022-07-14 04:23:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2736 transitions. [2022-07-14 04:23:51,421 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2736 transitions. Word has length 48 [2022-07-14 04:23:51,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:51,422 INFO L495 AbstractCegarLoop]: Abstraction has 2011 states and 2736 transitions. [2022-07-14 04:23:51,422 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) [2022-07-14 04:23:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2736 transitions. [2022-07-14 04:23:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-14 04:23:51,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:51,427 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] [2022-07-14 04:23:51,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:23:51,428 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] === [2022-07-14 04:23:51,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:51,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1221456940, now seen corresponding path program 1 times [2022-07-14 04:23:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:51,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124929640] [2022-07-14 04:23:51,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:51,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:23:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:23:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 04:23:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:23:51,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:51,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124929640] [2022-07-14 04:23:51,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124929640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:51,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:51,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:23:51,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628275906] [2022-07-14 04:23:51,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:51,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:23:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:23:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:51,744 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) [2022-07-14 04:23:51,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:51,908 INFO L93 Difference]: Finished difference Result 3968 states and 5441 transitions. [2022-07-14 04:23:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:23:51,909 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 [2022-07-14 04:23:51,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:51,938 INFO L225 Difference]: With dead ends: 3968 [2022-07-14 04:23:51,939 INFO L226 Difference]: Without dead ends: 3966 [2022-07-14 04:23:51,945 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 [2022-07-14 04:23:51,948 INFO L413 NwaCegarLoop]: 3294 mSDtfsCounter, 2740 mSDsluCounter, 9244 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:51,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 12538 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:23:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-07-14 04:23:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3941. [2022-07-14 04:23:52,098 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) [2022-07-14 04:23:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5407 transitions. [2022-07-14 04:23:52,124 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5407 transitions. Word has length 53 [2022-07-14 04:23:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:52,125 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5407 transitions. [2022-07-14 04:23:52,126 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) [2022-07-14 04:23:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5407 transitions. [2022-07-14 04:23:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-14 04:23:52,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:52,132 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] [2022-07-14 04:23:52,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:23:52,132 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] === [2022-07-14 04:23:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash -754984168, now seen corresponding path program 1 times [2022-07-14 04:23:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:52,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904184398] [2022-07-14 04:23:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:23:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:23:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 04:23:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 04:23:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-14 04:23:52,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:52,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904184398] [2022-07-14 04:23:52,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904184398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:52,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:52,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:23:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495339449] [2022-07-14 04:23:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:52,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:23:52,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:52,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:23:52,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:52,383 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) [2022-07-14 04:23:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:52,615 INFO L93 Difference]: Finished difference Result 7832 states and 10876 transitions. [2022-07-14 04:23:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:23:52,616 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 [2022-07-14 04:23:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:52,664 INFO L225 Difference]: With dead ends: 7832 [2022-07-14 04:23:52,664 INFO L226 Difference]: Without dead ends: 7828 [2022-07-14 04:23:52,670 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 [2022-07-14 04:23:52,674 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 2740 mSDsluCounter, 9194 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 12460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:52,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2741 Valid, 12460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:23:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2022-07-14 04:23:52,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7789. [2022-07-14 04:23:52,918 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) [2022-07-14 04:23:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10822 transitions. [2022-07-14 04:23:52,961 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10822 transitions. Word has length 58 [2022-07-14 04:23:52,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:52,962 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 10822 transitions. [2022-07-14 04:23:52,962 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) [2022-07-14 04:23:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10822 transitions. [2022-07-14 04:23:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-14 04:23:52,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:52,965 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] [2022-07-14 04:23:52,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:23:52,965 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] === [2022-07-14 04:23:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash 216170348, now seen corresponding path program 1 times [2022-07-14 04:23:52,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:52,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412158268] [2022-07-14 04:23:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:52,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:23:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:23:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 04:23:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 04:23:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:23:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:23:53,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:53,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412158268] [2022-07-14 04:23:53,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412158268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:53,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:53,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:23:53,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188520443] [2022-07-14 04:23:53,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:53,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:23:53,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:53,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:23:53,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:53,168 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) [2022-07-14 04:23:53,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:53,511 INFO L93 Difference]: Finished difference Result 15569 states and 22067 transitions. [2022-07-14 04:23:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:23:53,512 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 [2022-07-14 04:23:53,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:53,624 INFO L225 Difference]: With dead ends: 15569 [2022-07-14 04:23:53,624 INFO L226 Difference]: Without dead ends: 15499 [2022-07-14 04:23:53,640 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 [2022-07-14 04:23:53,641 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 [2022-07-14 04:23:53,642 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] [2022-07-14 04:23:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2022-07-14 04:23:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 15489. [2022-07-14 04:23:54,262 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) [2022-07-14 04:23:54,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15489 states to 15489 states and 21974 transitions. [2022-07-14 04:23:54,372 INFO L78 Accepts]: Start accepts. Automaton has 15489 states and 21974 transitions. Word has length 63 [2022-07-14 04:23:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:54,373 INFO L495 AbstractCegarLoop]: Abstraction has 15489 states and 21974 transitions. [2022-07-14 04:23:54,374 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) [2022-07-14 04:23:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 15489 states and 21974 transitions. [2022-07-14 04:23:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-14 04:23:54,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:54,435 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] [2022-07-14 04:23:54,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:23:54,435 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] === [2022-07-14 04:23:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:54,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1162252793, now seen corresponding path program 1 times [2022-07-14 04:23:54,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:54,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644318282] [2022-07-14 04:23:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:23:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:23:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:23:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:23:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:23:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:23:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:23:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:23:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 04:23:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:23:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 04:23:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-14 04:23:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:23:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 04:23:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 04:23:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 04:23:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 04:23:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 04:23:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 04:23:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-14 04:23:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 04:23:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 04:23:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-07-14 04:23:55,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644318282] [2022-07-14 04:23:55,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644318282] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:23:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297596902] [2022-07-14 04:23:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:23:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:23:55,631 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) [2022-07-14 04:23:55,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 04:23:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:56,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:23:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:23:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-14 04:23:56,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:23:56,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297596902] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:56,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:23:56,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-14 04:23:56,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887089112] [2022-07-14 04:23:56,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:56,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:23:56,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:56,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:23:56,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:23:56,541 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) [2022-07-14 04:23:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:57,098 INFO L93 Difference]: Finished difference Result 30971 states and 44997 transitions. [2022-07-14 04:23:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:23:57,099 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 [2022-07-14 04:23:57,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:57,224 INFO L225 Difference]: With dead ends: 30971 [2022-07-14 04:23:57,224 INFO L226 Difference]: Without dead ends: 15497 [2022-07-14 04:23:57,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:23:57,453 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 [2022-07-14 04:23:57,455 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] [2022-07-14 04:23:57,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15497 states. [2022-07-14 04:23:57,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15497 to 15497. [2022-07-14 04:23:58,013 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) [2022-07-14 04:23:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15497 states to 15497 states and 21982 transitions. [2022-07-14 04:23:58,115 INFO L78 Accepts]: Start accepts. Automaton has 15497 states and 21982 transitions. Word has length 301 [2022-07-14 04:23:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:58,117 INFO L495 AbstractCegarLoop]: Abstraction has 15497 states and 21982 transitions. [2022-07-14 04:23:58,117 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) [2022-07-14 04:23:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 15497 states and 21982 transitions. [2022-07-14 04:23:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-14 04:23:58,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:58,293 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] [2022-07-14 04:23:58,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:23:58,511 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 [2022-07-14 04:23:58,512 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] === [2022-07-14 04:23:58,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:58,513 INFO L85 PathProgramCache]: Analyzing trace with hash -820680480, now seen corresponding path program 1 times [2022-07-14 04:23:58,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:58,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439383680] [2022-07-14 04:23:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:58,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:23:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:23:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:23:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:23:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:23:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:23:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:23:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:23:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 04:23:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:23:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 04:23:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-14 04:23:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:23:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 04:23:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 04:23:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-14 04:23:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 04:23:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 04:23:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 04:23:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 04:23:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:23:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 04:23:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-07-14 04:23:59,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:59,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439383680] [2022-07-14 04:23:59,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439383680] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:23:59,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625105823] [2022-07-14 04:23:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:23:59,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:23:59,595 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) [2022-07-14 04:23:59,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 04:24:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:00,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 04:24:00,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:24:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-14 04:24:00,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:24:00,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625105823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:00,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:24:00,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 26 [2022-07-14 04:24:00,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140906841] [2022-07-14 04:24:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:00,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:24:00,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:24:00,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:24:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-07-14 04:24:00,720 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) [2022-07-14 04:24:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:02,057 INFO L93 Difference]: Finished difference Result 31389 states and 44573 transitions. [2022-07-14 04:24:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 04:24:02,057 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 [2022-07-14 04:24:02,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:02,202 INFO L225 Difference]: With dead ends: 31389 [2022-07-14 04:24:02,202 INFO L226 Difference]: Without dead ends: 15899 [2022-07-14 04:24:02,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2022-07-14 04:24:02,302 INFO L413 NwaCegarLoop]: 2755 mSDtfsCounter, 168 mSDsluCounter, 32739 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:02,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 35494 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:24:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-07-14 04:24:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15627. [2022-07-14 04:24:03,009 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) [2022-07-14 04:24:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22183 transitions. [2022-07-14 04:24:03,108 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22183 transitions. Word has length 304 [2022-07-14 04:24:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:03,108 INFO L495 AbstractCegarLoop]: Abstraction has 15627 states and 22183 transitions. [2022-07-14 04:24:03,108 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) [2022-07-14 04:24:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22183 transitions. [2022-07-14 04:24:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-14 04:24:03,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:03,116 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] [2022-07-14 04:24:03,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:24:03,331 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 [2022-07-14 04:24:03,332 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] === [2022-07-14 04:24:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 187998421, now seen corresponding path program 1 times [2022-07-14 04:24:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:24:03,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746306186] [2022-07-14 04:24:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:24:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:24:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:24:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:24:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:24:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:24:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:24:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:24:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:24:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:24:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:24:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:24:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:24:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:24:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:24:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:24:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:24:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:24:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 04:24:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:24:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:24:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 04:24:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:24:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 04:24:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 04:24:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 04:24:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 04:24:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 04:24:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 04:24:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-14 04:24:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 04:24:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 04:24:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-14 04:24:04,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:24:04,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746306186] [2022-07-14 04:24:04,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746306186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:04,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:04,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-14 04:24:04,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451391695] [2022-07-14 04:24:04,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:04,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 04:24:04,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:24:04,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 04:24:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:24:04,245 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) [2022-07-14 04:24:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:22,071 INFO L93 Difference]: Finished difference Result 37481 states and 55431 transitions. [2022-07-14 04:24:22,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:24:22,072 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 [2022-07-14 04:24:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:22,202 INFO L225 Difference]: With dead ends: 37481 [2022-07-14 04:24:22,203 INFO L226 Difference]: Without dead ends: 21869 [2022-07-14 04:24:22,287 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 [2022-07-14 04:24:22,288 INFO L413 NwaCegarLoop]: 2459 mSDtfsCounter, 4896 mSDsluCounter, 6997 mSDsCounter, 0 mSdLazyCounter, 12029 mSolverCounterSat, 3423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 15452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3423 IncrementalHoareTripleChecker+Valid, 12029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:22,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5310 Valid, 9456 Invalid, 15452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3423 Valid, 12029 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-07-14 04:24:22,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2022-07-14 04:24:23,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 19828. [2022-07-14 04:24:23,430 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) [2022-07-14 04:24:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 28815 transitions. [2022-07-14 04:24:23,536 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 28815 transitions. Word has length 333 [2022-07-14 04:24:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:23,537 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 28815 transitions. [2022-07-14 04:24:23,537 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) [2022-07-14 04:24:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 28815 transitions. [2022-07-14 04:24:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-14 04:24:23,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:23,549 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] [2022-07-14 04:24:23,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:24:23,550 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] === [2022-07-14 04:24:23,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:23,550 INFO L85 PathProgramCache]: Analyzing trace with hash -348845889, now seen corresponding path program 1 times [2022-07-14 04:24:23,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:24:23,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660828110] [2022-07-14 04:24:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:23,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:24:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:24:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:24:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:24:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:24:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:24:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:24:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:24:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:24:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:24:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:24:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:24:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:24:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:24:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:24:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:24:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:24:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:24:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 04:24:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:24:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:24:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:24:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:24:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 04:24:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 04:24:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:24:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 04:24:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:24:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 04:24:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 04:24:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 04:24:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-14 04:24:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-14 04:24:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-14 04:24:24,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:24:24,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660828110] [2022-07-14 04:24:24,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660828110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:24,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:24,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 04:24:24,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535891179] [2022-07-14 04:24:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:24,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:24:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:24:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:24:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:24:24,285 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) [2022-07-14 04:24:42,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:42,665 INFO L93 Difference]: Finished difference Result 45800 states and 68647 transitions. [2022-07-14 04:24:42,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 04:24:42,666 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 [2022-07-14 04:24:42,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:42,803 INFO L225 Difference]: With dead ends: 45800 [2022-07-14 04:24:42,803 INFO L226 Difference]: Without dead ends: 25987 [2022-07-14 04:24:42,932 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 [2022-07-14 04:24:42,933 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 5536 mSDsluCounter, 10442 mSDsCounter, 0 mSdLazyCounter, 15152 mSolverCounterSat, 3396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5931 SdHoareTripleChecker+Valid, 13168 SdHoareTripleChecker+Invalid, 18548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3396 IncrementalHoareTripleChecker+Valid, 15152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:42,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5931 Valid, 13168 Invalid, 18548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3396 Valid, 15152 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2022-07-14 04:24:42,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-07-14 04:24:44,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 23508. [2022-07-14 04:24:44,306 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) [2022-07-14 04:24:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 34603 transitions. [2022-07-14 04:24:44,444 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 34603 transitions. Word has length 349 [2022-07-14 04:24:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:44,445 INFO L495 AbstractCegarLoop]: Abstraction has 23508 states and 34603 transitions. [2022-07-14 04:24:44,445 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) [2022-07-14 04:24:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 34603 transitions. [2022-07-14 04:24:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-14 04:24:44,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:44,630 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] [2022-07-14 04:24:44,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 04:24:44,631 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] === [2022-07-14 04:24:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:44,631 INFO L85 PathProgramCache]: Analyzing trace with hash -274601318, now seen corresponding path program 1 times [2022-07-14 04:24:44,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:24:44,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973483451] [2022-07-14 04:24:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:24:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:24:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:24:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:24:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:24:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:24:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:24:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:24:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:24:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:24:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:24:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:24:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:24:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:24:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:24:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:24:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:24:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:24:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:24:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:24:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 04:24:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:24:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:24:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 04:24:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 04:24:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 04:24:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 04:24:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 04:24:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 04:24:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 04:24:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-14 04:24:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 04:24:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-14 04:24:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 04:24:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 04:24:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:24:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 04:24:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 04:24:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-14 04:24:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 04:24:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-14 04:24:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-14 04:24:45,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:24:45,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973483451] [2022-07-14 04:24:45,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973483451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:45,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:45,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:24:45,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314826248] [2022-07-14 04:24:45,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:45,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:24:45,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:24:45,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:24:45,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:24:45,376 INFO L87 Difference]: Start difference. First operand 23508 states and 34603 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) [2022-07-14 04:25:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:07,609 INFO L93 Difference]: Finished difference Result 51696 states and 79447 transitions. [2022-07-14 04:25:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-14 04:25:07,610 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 [2022-07-14 04:25:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:07,884 INFO L225 Difference]: With dead ends: 51696 [2022-07-14 04:25:07,884 INFO L226 Difference]: Without dead ends: 28203 [2022-07-14 04:25:07,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2022-07-14 04:25:07,973 INFO L413 NwaCegarLoop]: 2518 mSDtfsCounter, 10777 mSDsluCounter, 9934 mSDsCounter, 0 mSdLazyCounter, 17334 mSolverCounterSat, 8475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11278 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 25809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8475 IncrementalHoareTripleChecker+Valid, 17334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:07,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11278 Valid, 12452 Invalid, 25809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8475 Valid, 17334 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-07-14 04:25:07,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2022-07-14 04:25:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 22951. [2022-07-14 04:25:09,371 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) [2022-07-14 04:25:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33773 transitions. [2022-07-14 04:25:09,480 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33773 transitions. Word has length 391 [2022-07-14 04:25:09,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:09,480 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33773 transitions. [2022-07-14 04:25:09,481 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) [2022-07-14 04:25:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33773 transitions. [2022-07-14 04:25:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-14 04:25:09,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:09,502 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] [2022-07-14 04:25:09,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 04:25:09,503 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] === [2022-07-14 04:25:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash 685371158, now seen corresponding path program 1 times [2022-07-14 04:25:09,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:09,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384410315] [2022-07-14 04:25:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:25:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:25:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:25:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:25:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:25:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:25:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:25:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:25:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:25:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:25:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:25:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:25:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:25:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 04:25:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:25:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:25:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 04:25:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 04:25:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 04:25:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 04:25:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 04:25:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 04:25:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 04:25:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-14 04:25:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 04:25:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-14 04:25:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 04:25:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 04:25:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 04:25:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 04:25:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-14 04:25:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 04:25:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-14 04:25:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-14 04:25:10,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:10,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384410315] [2022-07-14 04:25:10,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384410315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:10,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:10,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:25:10,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110787436] [2022-07-14 04:25:10,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:10,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:25:10,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:10,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:25:10,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:25:10,434 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) [2022-07-14 04:25:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:32,858 INFO L93 Difference]: Finished difference Result 50828 states and 76506 transitions. [2022-07-14 04:25:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-14 04:25:32,859 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 [2022-07-14 04:25:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:32,999 INFO L225 Difference]: With dead ends: 50828 [2022-07-14 04:25:32,999 INFO L226 Difference]: Without dead ends: 27892 [2022-07-14 04:25:33,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-07-14 04:25:33,189 INFO L413 NwaCegarLoop]: 2435 mSDtfsCounter, 7455 mSDsluCounter, 10063 mSDsCounter, 0 mSdLazyCounter, 18313 mSolverCounterSat, 3980 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7930 SdHoareTripleChecker+Valid, 12498 SdHoareTripleChecker+Invalid, 22293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3980 IncrementalHoareTripleChecker+Valid, 18313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:33,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7930 Valid, 12498 Invalid, 22293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3980 Valid, 18313 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-07-14 04:25:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2022-07-14 04:25:34,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 22951. [2022-07-14 04:25:34,449 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) [2022-07-14 04:25:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33770 transitions. [2022-07-14 04:25:34,577 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33770 transitions. Word has length 391 [2022-07-14 04:25:34,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:34,578 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33770 transitions. [2022-07-14 04:25:34,578 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) [2022-07-14 04:25:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33770 transitions. [2022-07-14 04:25:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-07-14 04:25:34,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:34,616 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:34,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 04:25:34,616 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] === [2022-07-14 04:25:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 361561986, now seen corresponding path program 1 times [2022-07-14 04:25:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:34,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940034917] [2022-07-14 04:25:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:25:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:25:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:25:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:25:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:25:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:25:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:25:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:25:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:25:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:25:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:25:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:25:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:25:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 04:25:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:25:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:25:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 04:25:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 04:25:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-14 04:25:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 04:25:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:25:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-14 04:25:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 04:25:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 04:25:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-14 04:25:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 04:25:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 04:25:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-14 04:25:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-14 04:25:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-14 04:25:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-14 04:25:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 04:25:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-14 04:25:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 04:25:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-14 04:25:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-07-14 04:25:35,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:35,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940034917] [2022-07-14 04:25:35,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940034917] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:35,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792136471] [2022-07-14 04:25:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:35,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:35,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:35,519 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) [2022-07-14 04:25:35,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 04:25:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:36,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 3746 conjuncts, 49 conjunts are in the unsatisfiable core [2022-07-14 04:25:36,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 423 proven. 4 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-07-14 04:25:36,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:25:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-14 04:25:37,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792136471] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:37,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:25:37,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 9] total 19 [2022-07-14 04:25:37,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155005481] [2022-07-14 04:25:37,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:37,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:37,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:37,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-14 04:25:37,158 INFO L87 Difference]: Start difference. First operand 22951 states and 33770 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-14 04:25:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:38,534 INFO L93 Difference]: Finished difference Result 45959 states and 69482 transitions. [2022-07-14 04:25:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:38,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 425 [2022-07-14 04:25:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:38,653 INFO L225 Difference]: With dead ends: 45959 [2022-07-14 04:25:38,653 INFO L226 Difference]: Without dead ends: 23023 [2022-07-14 04:25:38,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 994 GetRequests, 973 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2022-07-14 04:25:38,747 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 14 mSDsluCounter, 8175 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10905 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:38,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 10905 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23023 states. [2022-07-14 04:25:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22975. [2022-07-14 04:25:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22975 states, 16743 states have (on average 1.2494176670847519) internal successors, (20919), 16951 states have internal predecessors, (20919), 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) [2022-07-14 04:25:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 33794 transitions. [2022-07-14 04:25:40,007 INFO L78 Accepts]: Start accepts. Automaton has 22975 states and 33794 transitions. Word has length 425 [2022-07-14 04:25:40,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:40,007 INFO L495 AbstractCegarLoop]: Abstraction has 22975 states and 33794 transitions. [2022-07-14 04:25:40,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-14 04:25:40,008 INFO L276 IsEmpty]: Start isEmpty. Operand 22975 states and 33794 transitions. [2022-07-14 04:25:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-14 04:25:40,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:40,041 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 9, 9, 7, 7, 7, 7, 7, 7, 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] [2022-07-14 04:25:40,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-14 04:25:40,265 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 [2022-07-14 04:25:40,266 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] === [2022-07-14 04:25:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:40,266 INFO L85 PathProgramCache]: Analyzing trace with hash 601188057, now seen corresponding path program 1 times [2022-07-14 04:25:40,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:40,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557153401] [2022-07-14 04:25:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:40,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:25:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:25:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:25:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:25:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:25:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:25:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:25:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 04:25:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:25:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 04:25:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:25:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 04:25:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 04:25:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 04:25:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 04:25:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 04:25:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-14 04:25:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-14 04:25:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 04:25:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 04:25:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 04:25:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 04:25:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-14 04:25:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 04:25:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 04:25:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-14 04:25:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-14 04:25:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 04:25:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-14 04:25:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 04:25:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 04:25:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 04:25:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 04:25:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 04:25:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2022-07-14 04:25:41,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:41,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557153401] [2022-07-14 04:25:41,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557153401] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:41,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739714436] [2022-07-14 04:25:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:41,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:41,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:41,278 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) [2022-07-14 04:25:41,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 04:25:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:42,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 3765 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-14 04:25:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2022-07-14 04:25:42,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:25:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 37 proven. 27 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2022-07-14 04:25:43,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739714436] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:25:43,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 04:25:43,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 28 [2022-07-14 04:25:43,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571487272] [2022-07-14 04:25:43,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 04:25:43,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-14 04:25:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:43,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-14 04:25:43,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2022-07-14 04:25:43,059 INFO L87 Difference]: Start difference. First operand 22975 states and 33794 transitions. Second operand has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 20 states have internal predecessors, (260), 7 states have call successors, (96), 8 states have call predecessors, (96), 6 states have return successors, (94), 8 states have call predecessors, (94), 7 states have call successors, (94) [2022-07-14 04:26:14,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:26:33,072 INFO L93 Difference]: Finished difference Result 50915 states and 78124 transitions. [2022-07-14 04:26:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-14 04:26:33,072 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 20 states have internal predecessors, (260), 7 states have call successors, (96), 8 states have call predecessors, (96), 6 states have return successors, (94), 8 states have call predecessors, (94), 7 states have call successors, (94) Word has length 439 [2022-07-14 04:26:33,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:26:33,221 INFO L225 Difference]: With dead ends: 50915 [2022-07-14 04:26:33,221 INFO L226 Difference]: Without dead ends: 27948 [2022-07-14 04:26:33,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1061 GetRequests, 1008 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=387, Invalid=2583, Unknown=0, NotChecked=0, Total=2970 [2022-07-14 04:26:33,327 INFO L413 NwaCegarLoop]: 2408 mSDtfsCounter, 7230 mSDsluCounter, 23183 mSDsCounter, 0 mSdLazyCounter, 48731 mSolverCounterSat, 2947 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7854 SdHoareTripleChecker+Valid, 25591 SdHoareTripleChecker+Invalid, 51679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2947 IncrementalHoareTripleChecker+Valid, 48731 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:26:33,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7854 Valid, 25591 Invalid, 51679 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2947 Valid, 48731 Invalid, 1 Unknown, 0 Unchecked, 46.4s Time] [2022-07-14 04:26:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27948 states. [2022-07-14 04:26:34,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27948 to 23001. [2022-07-14 04:26:34,824 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) [2022-07-14 04:26:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33903 transitions. [2022-07-14 04:26:34,948 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33903 transitions. Word has length 439 [2022-07-14 04:26:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:26:34,948 INFO L495 AbstractCegarLoop]: Abstraction has 23001 states and 33903 transitions. [2022-07-14 04:26:34,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 20 states have internal predecessors, (260), 7 states have call successors, (96), 8 states have call predecessors, (96), 6 states have return successors, (94), 8 states have call predecessors, (94), 7 states have call successors, (94) [2022-07-14 04:26:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33903 transitions. [2022-07-14 04:26:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-14 04:26:34,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:26:34,987 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] [2022-07-14 04:26:35,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:26:35,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:35,193 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] === [2022-07-14 04:26:35,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:26:35,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1543744450, now seen corresponding path program 1 times [2022-07-14 04:26:35,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:26:35,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132825234] [2022-07-14 04:26:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:26:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:26:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:26:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:26:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:26:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:26:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:26:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 04:26:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:26:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:26:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 04:26:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:26:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:26:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:26:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:26:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:26:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:26:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 04:26:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:26:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-14 04:26:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 04:26:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 04:26:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:26:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:26:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 04:26:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 04:26:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-14 04:26:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:26:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 04:26:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 04:26:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 04:26:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 04:26:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 04:26:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 04:26:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-14 04:26:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:26:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-14 04:26:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-14 04:26:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 04:26:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-14 04:26:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 04:26:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 04:26:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-14 04:26:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-14 04:26:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-14 04:26:36,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:26:36,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132825234] [2022-07-14 04:26:36,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132825234] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:26:36,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806955078] [2022-07-14 04:26:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:36,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:36,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:26:36,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:26:36,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 04:26:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:37,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 3875 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-14 04:26:37,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:26:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 496 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-14 04:26:38,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:26:38,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806955078] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:26:38,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:26:38,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2022-07-14 04:26:38,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656104214] [2022-07-14 04:26:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:26:38,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:26:38,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:26:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:26:38,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2022-07-14 04:26:38,042 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) [2022-07-14 04:26:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:26:40,397 INFO L93 Difference]: Finished difference Result 49663 states and 75884 transitions. [2022-07-14 04:26:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:26:40,398 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 [2022-07-14 04:26:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:26:40,561 INFO L225 Difference]: With dead ends: 49663 [2022-07-14 04:26:40,561 INFO L226 Difference]: Without dead ends: 26677 [2022-07-14 04:26:40,687 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 [2022-07-14 04:26:40,687 INFO L413 NwaCegarLoop]: 2980 mSDtfsCounter, 617 mSDsluCounter, 29344 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 32324 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:26:40,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 32324 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 04:26:40,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26677 states. [2022-07-14 04:26:42,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26677 to 23041. [2022-07-14 04:26:42,173 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) [2022-07-14 04:26:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23041 states to 23041 states and 33951 transitions. [2022-07-14 04:26:42,299 INFO L78 Accepts]: Start accepts. Automaton has 23041 states and 33951 transitions. Word has length 462 [2022-07-14 04:26:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:26:42,300 INFO L495 AbstractCegarLoop]: Abstraction has 23041 states and 33951 transitions. [2022-07-14 04:26:42,300 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) [2022-07-14 04:26:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 23041 states and 33951 transitions. [2022-07-14 04:26:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-14 04:26:42,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:26:42,347 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] [2022-07-14 04:26:42,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:26:42,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-14 04:26:42,548 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] === [2022-07-14 04:26:42,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:26:42,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1383128933, now seen corresponding path program 1 times [2022-07-14 04:26:42,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:26:42,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41274866] [2022-07-14 04:26:42,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:42,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:26:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:26:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:26:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:26:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:26:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:26:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:26:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 04:26:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:26:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:26:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 04:26:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 04:26:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:26:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:26:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:26:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 04:26:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:26:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 04:26:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-14 04:26:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 04:26:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:26:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-14 04:26:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:26:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 04:26:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 04:26:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:26:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 04:26:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:26:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:26:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:26:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 04:26:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 04:26:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 04:26:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-14 04:26:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 04:26:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 04:26:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 04:26:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-14 04:26:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 04:26:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-14 04:26:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 04:26:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 04:26:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-14 04:26:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-14 04:26:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-14 04:26:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-14 04:26:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-14 04:26:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2022-07-14 04:26:43,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:26:43,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41274866] [2022-07-14 04:26:43,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41274866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:26:43,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:26:43,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 04:26:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972803141] [2022-07-14 04:26:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:26:43,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:26:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:26:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:26:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:26:43,412 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) [2022-07-14 04:27:02,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:27:04,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:27:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:27:19,183 INFO L93 Difference]: Finished difference Result 51099 states and 78269 transitions. [2022-07-14 04:27:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-14 04:27:19,184 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (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) Word has length 482 [2022-07-14 04:27:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:27:19,343 INFO L225 Difference]: With dead ends: 51099 [2022-07-14 04:27:19,343 INFO L226 Difference]: Without dead ends: 28073 [2022-07-14 04:27:19,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=922, Unknown=0, NotChecked=0, Total=1122 [2022-07-14 04:27:19,569 INFO L413 NwaCegarLoop]: 2577 mSDtfsCounter, 7282 mSDsluCounter, 9184 mSDsCounter, 0 mSdLazyCounter, 16265 mSolverCounterSat, 2976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7780 SdHoareTripleChecker+Valid, 11761 SdHoareTripleChecker+Invalid, 19241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2976 IncrementalHoareTripleChecker+Valid, 16265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:27:19,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7780 Valid, 11761 Invalid, 19241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2976 Valid, 16265 Invalid, 0 Unknown, 0 Unchecked, 32.8s Time] [2022-07-14 04:27:19,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28073 states. [2022-07-14 04:27:20,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28073 to 23059. [2022-07-14 04:27:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23059 states, 16825 states have (on average 1.2477860326894503) internal successors, (20994), 17012 states have internal predecessors, (20994), 5225 states have call successors, (5225), 795 states have call predecessors, (5225), 1008 states have return successors, (7750), 5429 states have call predecessors, (7750), 5211 states have call successors, (7750) [2022-07-14 04:27:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23059 states to 23059 states and 33969 transitions. [2022-07-14 04:27:21,033 INFO L78 Accepts]: Start accepts. Automaton has 23059 states and 33969 transitions. Word has length 482 [2022-07-14 04:27:21,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:27:21,034 INFO L495 AbstractCegarLoop]: Abstraction has 23059 states and 33969 transitions. [2022-07-14 04:27:21,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (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) [2022-07-14 04:27:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 23059 states and 33969 transitions. [2022-07-14 04:27:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-07-14 04:27:21,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:27:21,070 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] [2022-07-14 04:27:21,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 04:27:21,070 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:27:21,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:27:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1642507554, now seen corresponding path program 2 times [2022-07-14 04:27:21,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:27:21,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795506704] [2022-07-14 04:27:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:27:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:27:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:27:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:27:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:27:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:27:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:27:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:27:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 04:27:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:27:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:27:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 04:27:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 04:27:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:27:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:27:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:27:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 04:27:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:27:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 04:27:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-14 04:27:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 04:27:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:27:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-14 04:27:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:27:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 04:27:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 04:27:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:27:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 04:27:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:27:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:27:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:27:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 04:27:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:27:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 04:27:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 04:27:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-14 04:27:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 04:27:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 04:27:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 04:27:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-14 04:27:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 04:27:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 04:27:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-14 04:27:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-14 04:27:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-14 04:27:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:27:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 04:27:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 04:27:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2022-07-14 04:27:22,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:27:22,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795506704] [2022-07-14 04:27:22,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795506704] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:27:22,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931488039] [2022-07-14 04:27:22,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:27:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:27:22,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:27:22,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:27:22,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-14 04:27:23,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 04:27:23,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:27:23,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 3927 conjuncts, 72 conjunts are in the unsatisfiable core [2022-07-14 04:27:23,507 INFO L286 TraceCheckSpWp]: Computing forward predicates...