./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:40:06,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:40:06,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:40:06,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:40:06,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:40:06,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:40:06,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:40:06,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:40:06,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:40:06,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:40:06,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:40:06,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:40:06,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:40:06,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:40:06,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:40:06,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:40:06,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:40:06,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:40:06,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:40:06,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:40:06,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:40:06,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:40:06,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:40:06,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:40:06,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:40:06,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:40:06,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:40:06,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:40:06,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:40:06,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:40:06,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:40:06,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:40:06,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:40:06,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:40:06,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:40:06,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:40:06,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:40:06,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:40:06,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:40:06,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:40:06,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:40:06,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:40:06,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:40:06,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:40:06,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:40:06,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:40:06,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:40:06,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:40:06,593 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:40:06,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:40:06,593 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:40:06,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:40:06,594 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:40:06,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:40:06,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:40:06,595 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:40:06,595 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:40:06,595 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:40:06,595 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:40:06,596 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:40:06,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:40:06,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:40:06,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:40:06,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:40:06,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:40:06,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:40:06,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:40:06,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:40:06,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:40:06,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:40:06,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:40:06,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:40:06,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:40:06,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:40:06,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:40:06,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:40:06,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:40:06,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:40:06,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:40:06,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:40:06,602 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 [2021-11-23 02:40:06,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:40:06,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:40:06,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:40:06,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:40:06,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:40:06,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-23 02:40:07,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/data/a58eb0acc/4701d91042654749a99e7760957c285c/FLAG4358ba60e [2021-11-23 02:40:08,031 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:40:08,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-23 02:40:08,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/data/a58eb0acc/4701d91042654749a99e7760957c285c/FLAG4358ba60e [2021-11-23 02:40:08,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/data/a58eb0acc/4701d91042654749a99e7760957c285c [2021-11-23 02:40:08,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:40:08,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:40:08,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:08,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:40:08,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:40:08,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:08" (1/1) ... [2021-11-23 02:40:08,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2392dc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:08, skipping insertion in model container [2021-11-23 02:40:08,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:08" (1/1) ... [2021-11-23 02:40:08,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:40:08,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:40:13,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2021-11-23 02:40:13,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:40:13,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:40:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2021-11-23 02:40:14,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:40:14,719 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:40:14,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14 WrapperNode [2021-11-23 02:40:14,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:14,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:40:14,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:40:14,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:40:14,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:14,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,200 INFO L137 Inliner]: procedures = 628, calls = 4592, calls flagged for inlining = 327, calls inlined = 323, statements flattened = 9499 [2021-11-23 02:40:15,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:40:15,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:40:15,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:40:15,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:40:15,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:15,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:16,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:40:16,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:40:16,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:40:16,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:40:16,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (1/1) ... [2021-11-23 02:40:16,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:40:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:16,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:40:16,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f244dccb-4053-4122-ab83-736c23bee810/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:40:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2021-11-23 02:40:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2021-11-23 02:40:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2021-11-23 02:40:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2021-11-23 02:40:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2021-11-23 02:40:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2021-11-23 02:40:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:40:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:40:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2021-11-23 02:40:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2021-11-23 02:40:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2021-11-23 02:40:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2021-11-23 02:40:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2021-11-23 02:40:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2021-11-23 02:40:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2021-11-23 02:40:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2021-11-23 02:40:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:40:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:40:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2021-11-23 02:40:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2021-11-23 02:40:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2021-11-23 02:40:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2021-11-23 02:40:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2021-11-23 02:40:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2021-11-23 02:40:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2021-11-23 02:40:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2021-11-23 02:40:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:40:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:40:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2021-11-23 02:40:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2021-11-23 02:40:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2021-11-23 02:40:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2021-11-23 02:40:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2021-11-23 02:40:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2021-11-23 02:40:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2021-11-23 02:40:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2021-11-23 02:40:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:40:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:40:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2021-11-23 02:40:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2021-11-23 02:40:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2021-11-23 02:40:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2021-11-23 02:40:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2021-11-23 02:40:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2021-11-23 02:40:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2021-11-23 02:40:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2021-11-23 02:40:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2021-11-23 02:40:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2021-11-23 02:40:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2021-11-23 02:40:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2021-11-23 02:40:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2021-11-23 02:40:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2021-11-23 02:40:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2021-11-23 02:40:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2021-11-23 02:40:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:40:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:40:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:40:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:40:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2021-11-23 02:40:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2021-11-23 02:40:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2021-11-23 02:40:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2021-11-23 02:40:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:40:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:40:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2021-11-23 02:40:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2021-11-23 02:40:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:40:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:40:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2021-11-23 02:40:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2021-11-23 02:40:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-23 02:40:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-23 02:40:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2021-11-23 02:40:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2021-11-23 02:40:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:40:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2021-11-23 02:40:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2021-11-23 02:40:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:40:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:40:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2021-11-23 02:40:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2021-11-23 02:40:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:40:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:40:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2021-11-23 02:40:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2021-11-23 02:40:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:40:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:40:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2021-11-23 02:40:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2021-11-23 02:40:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-11-23 02:40:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-11-23 02:40:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:40:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:40:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2021-11-23 02:40:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2021-11-23 02:40:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2021-11-23 02:40:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2021-11-23 02:40:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:40:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2021-11-23 02:40:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2021-11-23 02:40:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-23 02:40:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-23 02:40:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:40:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:40:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:40:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:40:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:40:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:40:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2021-11-23 02:40:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2021-11-23 02:40:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2021-11-23 02:40:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2021-11-23 02:40:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2021-11-23 02:40:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2021-11-23 02:40:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2021-11-23 02:40:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2021-11-23 02:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2021-11-23 02:40:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2021-11-23 02:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:40:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 02:40:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 02:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 02:40:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 02:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-23 02:40:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-23 02:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-23 02:40:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-23 02:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 02:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 02:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2021-11-23 02:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2021-11-23 02:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2021-11-23 02:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2021-11-23 02:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-23 02:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-23 02:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2021-11-23 02:40:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2021-11-23 02:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:40:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2021-11-23 02:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2021-11-23 02:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2021-11-23 02:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2021-11-23 02:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2021-11-23 02:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2021-11-23 02:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:40:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2021-11-23 02:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2021-11-23 02:40:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2021-11-23 02:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2021-11-23 02:40:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2021-11-23 02:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2021-11-23 02:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2021-11-23 02:40:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2021-11-23 02:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2021-11-23 02:40:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2021-11-23 02:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2021-11-23 02:40:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2021-11-23 02:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2021-11-23 02:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2021-11-23 02:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-23 02:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-23 02:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 02:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 02:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2021-11-23 02:40:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2021-11-23 02:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:40:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2021-11-23 02:40:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2021-11-23 02:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:40:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2021-11-23 02:40:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2021-11-23 02:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2021-11-23 02:40:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2021-11-23 02:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2021-11-23 02:40:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2021-11-23 02:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2021-11-23 02:40:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2021-11-23 02:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2021-11-23 02:40:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2021-11-23 02:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2021-11-23 02:40:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2021-11-23 02:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2021-11-23 02:40:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2021-11-23 02:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:40:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2021-11-23 02:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2021-11-23 02:40:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2021-11-23 02:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2021-11-23 02:40:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2021-11-23 02:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2021-11-23 02:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2021-11-23 02:40:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2021-11-23 02:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:40:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2021-11-23 02:40:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2021-11-23 02:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2021-11-23 02:40:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2021-11-23 02:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2021-11-23 02:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2021-11-23 02:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2021-11-23 02:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2021-11-23 02:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2021-11-23 02:40:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2021-11-23 02:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2021-11-23 02:40:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2021-11-23 02:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 02:40:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 02:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2021-11-23 02:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2021-11-23 02:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-23 02:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-23 02:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2021-11-23 02:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2021-11-23 02:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-23 02:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-23 02:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 02:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 02:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2021-11-23 02:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2021-11-23 02:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2021-11-23 02:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2021-11-23 02:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:40:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:40:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2021-11-23 02:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2021-11-23 02:40:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-11-23 02:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-11-23 02:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2021-11-23 02:40:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2021-11-23 02:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2021-11-23 02:40:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2021-11-23 02:40:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2021-11-23 02:40:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2021-11-23 02:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2021-11-23 02:40:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2021-11-23 02:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2021-11-23 02:40:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2021-11-23 02:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 02:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 02:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2021-11-23 02:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2021-11-23 02:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 02:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 02:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-11-23 02:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-11-23 02:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2021-11-23 02:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2021-11-23 02:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2021-11-23 02:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2021-11-23 02:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2021-11-23 02:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2021-11-23 02:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2021-11-23 02:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2021-11-23 02:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2021-11-23 02:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2021-11-23 02:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2021-11-23 02:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2021-11-23 02:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2021-11-23 02:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2021-11-23 02:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2021-11-23 02:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2021-11-23 02:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-11-23 02:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2021-11-23 02:40:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2021-11-23 02:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 02:40:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 02:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2021-11-23 02:40:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2021-11-23 02:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2021-11-23 02:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2021-11-23 02:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2021-11-23 02:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2021-11-23 02:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2021-11-23 02:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2021-11-23 02:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2021-11-23 02:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2021-11-23 02:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2021-11-23 02:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2021-11-23 02:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2021-11-23 02:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2021-11-23 02:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-23 02:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-23 02:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2021-11-23 02:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2021-11-23 02:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2021-11-23 02:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2021-11-23 02:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2021-11-23 02:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2021-11-23 02:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-23 02:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-23 02:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2021-11-23 02:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2021-11-23 02:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2021-11-23 02:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2021-11-23 02:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2021-11-23 02:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2021-11-23 02:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2021-11-23 02:40:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2021-11-23 02:40:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2021-11-23 02:40:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2021-11-23 02:40:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-23 02:40:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-23 02:40:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2021-11-23 02:40:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2021-11-23 02:40:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2021-11-23 02:40:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2021-11-23 02:40:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 02:40:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 02:40:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:40:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:40:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2021-11-23 02:40:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2021-11-23 02:40:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:40:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:40:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-23 02:40:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-23 02:40:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2021-11-23 02:40:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2021-11-23 02:40:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2021-11-23 02:40:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2021-11-23 02:40:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:40:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:40:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:40:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:40:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:40:17,920 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:40:17,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:40:24,278 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:41:45,273 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:41:45,428 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:41:47,771 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:41:47,772 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:41:47,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:47 BoogieIcfgContainer [2021-11-23 02:41:47,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:41:47,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:41:47,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:41:47,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:41:47,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:40:08" (1/3) ... [2021-11-23 02:41:47,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e607269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:47, skipping insertion in model container [2021-11-23 02:41:47,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:14" (2/3) ... [2021-11-23 02:41:47,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e607269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:47, skipping insertion in model container [2021-11-23 02:41:47,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:47" (3/3) ... [2021-11-23 02:41:47,795 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-23 02:41:47,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:41:47,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:41:47,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:41:47,884 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:41:47,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:41:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 2790 states, 1738 states have (on average 1.3342922899884926) internal successors, (2319), 1758 states have internal predecessors, (2319), 881 states have call successors, (881), 171 states have call predecessors, (881), 170 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) [2021-11-23 02:41:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2021-11-23 02:41:48,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:48,059 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:41:48,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:41:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash -627569731, now seen corresponding path program 1 times [2021-11-23 02:41:48,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:41:48,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123021259] [2021-11-23 02:41:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:48,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:41:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2021-11-23 02:41:49,884 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:41:49,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123021259] [2021-11-23 02:41:49,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123021259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:41:49,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:41:49,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:41:49,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380444186] [2021-11-23 02:41:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:41:49,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:41:49,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:41:49,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:41:49,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:41:49,950 INFO L87 Difference]: Start difference. First operand has 2790 states, 1738 states have (on average 1.3342922899884926) internal successors, (2319), 1758 states have internal predecessors, (2319), 881 states have call successors, (881), 171 states have call predecessors, (881), 170 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-23 02:41:54,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:41:56,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:41:58,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:00,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:03,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:42:05,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:08,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:10,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:12,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:15,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:42:19,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:42:26,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:26,494 INFO L93 Difference]: Finished difference Result 7802 states and 11390 transitions. [2021-11-23 02:42:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1125 [2021-11-23 02:42:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:26,590 INFO L225 Difference]: With dead ends: 7802 [2021-11-23 02:42:26,590 INFO L226 Difference]: Without dead ends: 5215 [2021-11-23 02:42:26,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:26,615 INFO L933 BasicCegarLoop]: 4200 mSDtfsCounter, 3579 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 22 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 7631 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:26,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3591 Valid, 7631 Invalid, 1202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1172 Invalid, 8 Unknown, 0 Unchecked, 36.0s Time] [2021-11-23 02:42:26,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2021-11-23 02:42:27,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 5213. [2021-11-23 02:42:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5213 states, 3295 states have (on average 1.3380880121396055) internal successors, (4409), 3335 states have internal predecessors, (4409), 1582 states have call successors, (1582), 336 states have call predecessors, (1582), 335 states have return successors, (1588), 1569 states have call predecessors, (1588), 1578 states have call successors, (1588) [2021-11-23 02:42:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 7579 transitions. [2021-11-23 02:42:27,115 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 7579 transitions. Word has length 1125 [2021-11-23 02:42:27,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:27,125 INFO L470 AbstractCegarLoop]: Abstraction has 5213 states and 7579 transitions. [2021-11-23 02:42:27,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-23 02:42:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 7579 transitions. [2021-11-23 02:42:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1183 [2021-11-23 02:42:27,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:27,219 INFO L514 BasicCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:27,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:42:27,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:27,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1706771077, now seen corresponding path program 1 times [2021-11-23 02:42:27,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:27,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73733708] [2021-11-23 02:42:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:27,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 48887 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48887 trivial. 0 not checked. [2021-11-23 02:42:28,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:28,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73733708] [2021-11-23 02:42:28,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73733708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:28,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:28,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:42:28,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268769224] [2021-11-23 02:42:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:28,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:42:28,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:28,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:42:28,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:28,843 INFO L87 Difference]: Start difference. First operand 5213 states and 7579 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-23 02:42:33,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:42:42,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:44,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:47,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:48,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:52,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:42:55,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:59,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:01,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:05,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:06,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:09,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:11,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:14,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:14,760 INFO L93 Difference]: Finished difference Result 5258 states and 7629 transitions. [2021-11-23 02:43:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:43:14,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 1182 [2021-11-23 02:43:14,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:14,806 INFO L225 Difference]: With dead ends: 5258 [2021-11-23 02:43:14,807 INFO L226 Difference]: Without dead ends: 5256 [2021-11-23 02:43:14,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:43:14,813 INFO L933 BasicCegarLoop]: 3465 mSDtfsCounter, 3742 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3756 SdHoareTripleChecker+Valid, 10429 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:14,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3756 Valid, 10429 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1689 Invalid, 7 Unknown, 0 Unchecked, 45.5s Time] [2021-11-23 02:43:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5256 states. [2021-11-23 02:43:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5256 to 5256. [2021-11-23 02:43:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5256 states, 3320 states have (on average 1.33644578313253) internal successors, (4437), 3366 states have internal predecessors, (4437), 1587 states have call successors, (1587), 343 states have call predecessors, (1587), 348 states have return successors, (1603), 1574 states have call predecessors, (1603), 1583 states have call successors, (1603) [2021-11-23 02:43:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 7627 transitions. [2021-11-23 02:43:15,108 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 7627 transitions. Word has length 1182 [2021-11-23 02:43:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:15,110 INFO L470 AbstractCegarLoop]: Abstraction has 5256 states and 7627 transitions. [2021-11-23 02:43:15,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-23 02:43:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 7627 transitions. [2021-11-23 02:43:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1187 [2021-11-23 02:43:15,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:15,146 INFO L514 BasicCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:15,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:43:15,146 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash 312180044, now seen corresponding path program 1 times [2021-11-23 02:43:15,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:15,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397777527] [2021-11-23 02:43:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:15,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 48888 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2021-11-23 02:43:16,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:16,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397777527] [2021-11-23 02:43:16,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397777527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:16,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:16,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:43:16,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501797570] [2021-11-23 02:43:16,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:16,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:43:16,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:43:16,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:43:16,386 INFO L87 Difference]: Start difference. First operand 5256 states and 7627 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2021-11-23 02:43:24,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:26,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:29,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:31,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:33,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:37,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:43:40,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:41,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:48,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:51,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:54,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:58,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:02,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:03,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:06,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:44:10,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:10,137 INFO L93 Difference]: Finished difference Result 10194 states and 14931 transitions. [2021-11-23 02:44:10,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:44:10,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 1186 [2021-11-23 02:44:10,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:10,234 INFO L225 Difference]: With dead ends: 10194 [2021-11-23 02:44:10,235 INFO L226 Difference]: Without dead ends: 10190 [2021-11-23 02:44:10,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:44:10,244 INFO L933 BasicCegarLoop]: 4286 mSDtfsCounter, 3746 mSDsluCounter, 13379 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 16002 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:10,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3758 Valid, 16002 Invalid, 2245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2233 Invalid, 8 Unknown, 0 Unchecked, 53.2s Time] [2021-11-23 02:44:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10190 states. [2021-11-23 02:44:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10190 to 10177. [2021-11-23 02:44:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 6467 states have (on average 1.3438997989794341) internal successors, (8691), 6561 states have internal predecessors, (8691), 3029 states have call successors, (3029), 679 states have call predecessors, (3029), 680 states have return successors, (3193), 2990 states have call predecessors, (3193), 3021 states have call successors, (3193) [2021-11-23 02:44:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 14913 transitions. [2021-11-23 02:44:10,911 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 14913 transitions. Word has length 1186 [2021-11-23 02:44:10,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:10,913 INFO L470 AbstractCegarLoop]: Abstraction has 10177 states and 14913 transitions. [2021-11-23 02:44:10,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2021-11-23 02:44:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 14913 transitions. [2021-11-23 02:44:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1193 [2021-11-23 02:44:10,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:10,968 INFO L514 BasicCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:10,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:44:10,969 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:44:10,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:10,969 INFO L85 PathProgramCache]: Analyzing trace with hash -706654011, now seen corresponding path program 1 times [2021-11-23 02:44:10,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:10,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711292216] [2021-11-23 02:44:10,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:10,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 48895 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48891 trivial. 0 not checked. [2021-11-23 02:44:12,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:12,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711292216] [2021-11-23 02:44:12,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711292216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:12,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:12,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:44:12,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78706306] [2021-11-23 02:44:12,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:12,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:44:12,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:44:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:44:12,327 INFO L87 Difference]: Start difference. First operand 10177 states and 14913 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2021-11-23 02:44:24,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:26,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:29,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:33,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:42,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:44,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:45,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:47,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:49,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:53,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:45:02,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:45:04,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:45:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:08,181 INFO L93 Difference]: Finished difference Result 20003 states and 29516 transitions. [2021-11-23 02:45:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:45:08,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 1192 [2021-11-23 02:45:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:08,336 INFO L225 Difference]: With dead ends: 20003 [2021-11-23 02:45:08,336 INFO L226 Difference]: Without dead ends: 19969 [2021-11-23 02:45:08,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:45:08,354 INFO L933 BasicCegarLoop]: 4211 mSDtfsCounter, 3732 mSDsluCounter, 13236 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 15785 SdHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:08,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3741 Valid, 15785 Invalid, 2241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2230 Invalid, 8 Unknown, 0 Unchecked, 55.3s Time] [2021-11-23 02:45:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19969 states. [2021-11-23 02:45:09,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19969 to 19960. [2021-11-23 02:45:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19960 states, 12726 states have (on average 1.3474776049033474) internal successors, (17148), 12910 states have internal predecessors, (17148), 5892 states have call successors, (5892), 1344 states have call predecessors, (5892), 1341 states have return successors, (6426), 5813 states have call predecessors, (6426), 5880 states have call successors, (6426) [2021-11-23 02:45:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19960 states to 19960 states and 29466 transitions. [2021-11-23 02:45:09,652 INFO L78 Accepts]: Start accepts. Automaton has 19960 states and 29466 transitions. Word has length 1192 [2021-11-23 02:45:09,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:09,654 INFO L470 AbstractCegarLoop]: Abstraction has 19960 states and 29466 transitions. [2021-11-23 02:45:09,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2021-11-23 02:45:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 19960 states and 29466 transitions. [2021-11-23 02:45:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1240 [2021-11-23 02:45:09,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:09,763 INFO L514 BasicCegarLoop]: trace histogram [116, 110, 110, 110, 110, 110, 110, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:45:09,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:45:09,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:45:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash 769058367, now seen corresponding path program 1 times [2021-11-23 02:45:09,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:09,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105788692] [2021-11-23 02:45:09,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:09,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49345 trivial. 0 not checked. [2021-11-23 02:45:10,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:10,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105788692] [2021-11-23 02:45:10,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105788692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:10,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:10,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:45:10,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123335432] [2021-11-23 02:45:10,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:10,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:45:10,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:10,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:45:10,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:45:10,623 INFO L87 Difference]: Start difference. First operand 19960 states and 29466 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2021-11-23 02:45:16,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:18,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:20,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:22,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:26,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:45:28,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:31,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:33,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:37,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:39,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:42,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:43,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:46,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:45:49,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:49,489 INFO L93 Difference]: Finished difference Result 58512 states and 86074 transitions. [2021-11-23 02:45:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:45:49,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) Word has length 1239 [2021-11-23 02:45:49,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:49,732 INFO L225 Difference]: With dead ends: 58512 [2021-11-23 02:45:49,732 INFO L226 Difference]: Without dead ends: 38773 [2021-11-23 02:45:49,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:45:49,849 INFO L933 BasicCegarLoop]: 4164 mSDtfsCounter, 3426 mSDsluCounter, 3932 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 29 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 7574 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:49,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3436 Valid, 7574 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1192 Invalid, 7 Unknown, 0 Unchecked, 37.8s Time] [2021-11-23 02:45:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38773 states. [2021-11-23 02:45:51,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38773 to 38715. [2021-11-23 02:45:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38715 states, 24668 states have (on average 1.3421031295605643) internal successors, (33107), 25047 states have internal predecessors, (33107), 11390 states have call successors, (11390), 2665 states have call predecessors, (11390), 2656 states have return successors, (12160), 11218 states have call predecessors, (12160), 11378 states have call successors, (12160) [2021-11-23 02:45:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38715 states to 38715 states and 56657 transitions. [2021-11-23 02:45:52,180 INFO L78 Accepts]: Start accepts. Automaton has 38715 states and 56657 transitions. Word has length 1239 [2021-11-23 02:45:52,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:52,182 INFO L470 AbstractCegarLoop]: Abstraction has 38715 states and 56657 transitions. [2021-11-23 02:45:52,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2021-11-23 02:45:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38715 states and 56657 transitions. [2021-11-23 02:45:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2021-11-23 02:45:52,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:52,297 INFO L514 BasicCegarLoop]: trace histogram [116, 110, 110, 110, 110, 110, 110, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:45:52,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:45:52,297 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:45:52,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:52,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1535073417, now seen corresponding path program 1 times [2021-11-23 02:45:52,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:52,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113966425] [2021-11-23 02:45:52,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:52,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49345 trivial. 0 not checked. [2021-11-23 02:45:53,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:53,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113966425] [2021-11-23 02:45:53,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113966425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:53,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:53,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:45:53,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986797437] [2021-11-23 02:45:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:53,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:45:53,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:53,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:45:53,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:45:53,532 INFO L87 Difference]: Start difference. First operand 38715 states and 56657 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2021-11-23 02:45:58,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:00,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:02,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:06,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:08,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:11,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:13,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:20,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:46:23,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:25,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:28,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:46:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:46:30,823 INFO L93 Difference]: Finished difference Result 95301 states and 139214 transitions. [2021-11-23 02:46:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:46:30,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) Word has length 1243 [2021-11-23 02:46:30,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:46:31,179 INFO L225 Difference]: With dead ends: 95301 [2021-11-23 02:46:31,179 INFO L226 Difference]: Without dead ends: 56807 [2021-11-23 02:46:31,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:46:31,335 INFO L933 BasicCegarLoop]: 4194 mSDtfsCounter, 3521 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 7631 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:46:31,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3528 Valid, 7631 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1148 Invalid, 7 Unknown, 0 Unchecked, 35.7s Time] [2021-11-23 02:46:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56807 states. [2021-11-23 02:46:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56807 to 56749. [2021-11-23 02:46:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56749 states, 36164 states have (on average 1.3387623050547506) internal successors, (48415), 36711 states have internal predecessors, (48415), 16642 states have call successors, (16642), 3955 states have call predecessors, (16642), 3942 states have return successors, (17613), 16382 states have call predecessors, (17613), 16630 states have call successors, (17613) [2021-11-23 02:46:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56749 states to 56749 states and 82670 transitions. [2021-11-23 02:46:34,196 INFO L78 Accepts]: Start accepts. Automaton has 56749 states and 82670 transitions. Word has length 1243 [2021-11-23 02:46:34,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:46:34,198 INFO L470 AbstractCegarLoop]: Abstraction has 56749 states and 82670 transitions. [2021-11-23 02:46:34,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2021-11-23 02:46:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 56749 states and 82670 transitions. [2021-11-23 02:46:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1254 [2021-11-23 02:46:34,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:46:34,311 INFO L514 BasicCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:46:34,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:46:34,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:46:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:46:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1384216805, now seen corresponding path program 1 times [2021-11-23 02:46:34,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:46:34,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482647393] [2021-11-23 02:46:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:46:34,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:46:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:46:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 49614 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 49600 trivial. 0 not checked. [2021-11-23 02:46:35,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:46:35,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482647393] [2021-11-23 02:46:35,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482647393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:46:35,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:46:35,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:46:35,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592872003] [2021-11-23 02:46:35,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:46:35,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:46:35,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:46:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:46:35,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:46:35,534 INFO L87 Difference]: Start difference. First operand 56749 states and 82670 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) [2021-11-23 02:46:38,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:46:41,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:43,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:45,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:47,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:50,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:46:55,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:57,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:59,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:04,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:06,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:07,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:14,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:14,180 INFO L93 Difference]: Finished difference Result 137798 states and 200770 transitions. [2021-11-23 02:47:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:14,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) Word has length 1253 [2021-11-23 02:47:14,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:14,973 INFO L225 Difference]: With dead ends: 137798 [2021-11-23 02:47:14,973 INFO L226 Difference]: Without dead ends: 81270 [2021-11-23 02:47:15,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:15,193 INFO L933 BasicCegarLoop]: 4876 mSDtfsCounter, 3588 mSDsluCounter, 3978 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 13 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 8313 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:15,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3600 Valid, 8313 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1305 Invalid, 7 Unknown, 0 Unchecked, 36.4s Time] [2021-11-23 02:47:15,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81270 states. [2021-11-23 02:47:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81270 to 81190. [2021-11-23 02:47:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81190 states, 51864 states have (on average 1.3401781582600647) internal successors, (69507), 52679 states have internal predecessors, (69507), 23602 states have call successors, (23602), 5757 states have call predecessors, (23602), 5723 states have return successors, (25022), 23179 states have call predecessors, (25022), 23590 states have call successors, (25022) [2021-11-23 02:47:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81190 states to 81190 states and 118131 transitions. [2021-11-23 02:47:19,080 INFO L78 Accepts]: Start accepts. Automaton has 81190 states and 118131 transitions. Word has length 1253 [2021-11-23 02:47:19,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:19,396 INFO L470 AbstractCegarLoop]: Abstraction has 81190 states and 118131 transitions. [2021-11-23 02:47:19,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) [2021-11-23 02:47:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 81190 states and 118131 transitions. [2021-11-23 02:47:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2021-11-23 02:47:19,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:19,479 INFO L514 BasicCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:19,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:47:19,479 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:19,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash 792048033, now seen corresponding path program 1 times [2021-11-23 02:47:19,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:19,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929433045] [2021-11-23 02:47:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:19,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 49610 trivial. 0 not checked. [2021-11-23 02:47:20,455 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:20,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929433045] [2021-11-23 02:47:20,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929433045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:20,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:20,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:47:20,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045348263] [2021-11-23 02:47:20,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:20,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:47:20,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:20,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:47:20,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:20,460 INFO L87 Difference]: Start difference. First operand 81190 states and 118131 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2021-11-23 02:47:27,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:30,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:32,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:34,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:37,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:40,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:42,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:43,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:45,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:47,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:49,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:52,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:58,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:00,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:01,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:02,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:04,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:08,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:48:12,677 INFO L93 Difference]: Finished difference Result 191261 states and 278761 transitions. [2021-11-23 02:48:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:48:12,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) Word has length 1257 [2021-11-23 02:48:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:48:13,655 INFO L225 Difference]: With dead ends: 191261 [2021-11-23 02:48:13,655 INFO L226 Difference]: Without dead ends: 117069 [2021-11-23 02:48:13,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:13,848 INFO L933 BasicCegarLoop]: 5886 mSDtfsCounter, 3580 mSDsluCounter, 3981 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 11 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3592 SdHoareTripleChecker+Valid, 9324 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:48:13,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3592 Valid, 9324 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1569 Invalid, 7 Unknown, 0 Unchecked, 48.9s Time] [2021-11-23 02:48:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117069 states. [2021-11-23 02:48:17,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117069 to 116997. [2021-11-23 02:48:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116997 states, 74775 states have (on average 1.3407422266800402) internal successors, (100254), 75963 states have internal predecessors, (100254), 33970 states have call successors, (33970), 8309 states have call predecessors, (33970), 8251 states have return successors, (36077), 33342 states have call predecessors, (36077), 33958 states have call successors, (36077) [2021-11-23 02:48:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116997 states to 116997 states and 170301 transitions. [2021-11-23 02:48:18,774 INFO L78 Accepts]: Start accepts. Automaton has 116997 states and 170301 transitions. Word has length 1257 [2021-11-23 02:48:18,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:18,776 INFO L470 AbstractCegarLoop]: Abstraction has 116997 states and 170301 transitions. [2021-11-23 02:48:18,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2021-11-23 02:48:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116997 states and 170301 transitions. [2021-11-23 02:48:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1274 [2021-11-23 02:48:18,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:18,874 INFO L514 BasicCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:48:18,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:48:18,875 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:18,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1249989319, now seen corresponding path program 1 times [2021-11-23 02:48:18,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:18,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779085115] [2021-11-23 02:48:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:18,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 49611 trivial. 0 not checked. [2021-11-23 02:48:20,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:20,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779085115] [2021-11-23 02:48:20,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779085115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:20,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:20,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:20,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908324179] [2021-11-23 02:48:20,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:20,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:20,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:20,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:20,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:20,078 INFO L87 Difference]: Start difference. First operand 116997 states and 170301 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 3 states have call successors, (134), 2 states have call predecessors, (134), 1 states have return successors, (132), 3 states have call predecessors, (132), 3 states have call successors, (132) [2021-11-23 02:48:26,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:28,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:30,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:32,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:34,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:37,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:38,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:43,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:46,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:47,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:49,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:51,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:54,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:59,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:01,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:03,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:12,921 INFO L93 Difference]: Finished difference Result 279053 states and 406486 transitions. [2021-11-23 02:49:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:12,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 3 states have call successors, (134), 2 states have call predecessors, (134), 1 states have return successors, (132), 3 states have call predecessors, (132), 3 states have call successors, (132) Word has length 1273 [2021-11-23 02:49:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:13,875 INFO L225 Difference]: With dead ends: 279053 [2021-11-23 02:49:13,875 INFO L226 Difference]: Without dead ends: 169054 [2021-11-23 02:49:14,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:14,493 INFO L933 BasicCegarLoop]: 6498 mSDtfsCounter, 3553 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 9 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 9933 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:14,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 9933 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1671 Invalid, 7 Unknown, 0 Unchecked, 47.5s Time] [2021-11-23 02:49:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169054 states. [2021-11-23 02:49:20,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169054 to 168956. [2021-11-23 02:49:20,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168956 states, 108018 states have (on average 1.34073024866226) internal successors, (144823), 109749 states have internal predecessors, (144823), 48986 states have call successors, (48986), 12039 states have call predecessors, (48986), 11951 states have return successors, (51981), 48049 states have call predecessors, (51981), 48974 states have call successors, (51981) [2021-11-23 02:49:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168956 states to 168956 states and 245790 transitions. [2021-11-23 02:49:21,641 INFO L78 Accepts]: Start accepts. Automaton has 168956 states and 245790 transitions. Word has length 1273 [2021-11-23 02:49:21,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:21,643 INFO L470 AbstractCegarLoop]: Abstraction has 168956 states and 245790 transitions. [2021-11-23 02:49:21,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 3 states have call successors, (134), 2 states have call predecessors, (134), 1 states have return successors, (132), 3 states have call predecessors, (132), 3 states have call successors, (132) [2021-11-23 02:49:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 168956 states and 245790 transitions. [2021-11-23 02:49:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1295 [2021-11-23 02:49:22,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:22,307 INFO L514 BasicCegarLoop]: trace histogram [119, 111, 111, 111, 111, 111, 111, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:22,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:49:22,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:22,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:22,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1524431553, now seen corresponding path program 1 times [2021-11-23 02:49:22,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:22,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40883267] [2021-11-23 02:49:22,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:22,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 50734 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 50726 trivial. 0 not checked. [2021-11-23 02:49:23,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40883267] [2021-11-23 02:49:23,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40883267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:23,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:23,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:49:23,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733378500] [2021-11-23 02:49:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:23,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:49:23,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:23,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:49:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:23,233 INFO L87 Difference]: Start difference. First operand 168956 states and 245790 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 3 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) [2021-11-23 02:49:27,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:29,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:31,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:33,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:38,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:40,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:42,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:44,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:49,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:54,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:05,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:05,568 INFO L93 Difference]: Finished difference Result 489237 states and 711956 transitions. [2021-11-23 02:50:05,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:50:05,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 3 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) Word has length 1294 [2021-11-23 02:50:05,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:07,626 INFO L225 Difference]: With dead ends: 489237 [2021-11-23 02:50:07,626 INFO L226 Difference]: Without dead ends: 320502 [2021-11-23 02:50:08,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:08,566 INFO L933 BasicCegarLoop]: 4297 mSDtfsCounter, 3565 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 12 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3572 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:08,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3572 Valid, 7743 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1153 Invalid, 5 Unknown, 0 Unchecked, 32.7s Time] [2021-11-23 02:50:08,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320502 states.