./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/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_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:15:05,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:15:05,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:15:05,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:15:05,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:15:05,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:15:05,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:15:05,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:15:05,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:15:05,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:15:05,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:15:05,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:15:05,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:15:05,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:15:05,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:15:05,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:15:05,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:15:05,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:15:05,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:15:05,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:15:05,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:15:05,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:15:05,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:15:05,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:15:05,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:15:05,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:15:05,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:15:05,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:15:05,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:15:05,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:15:05,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:15:05,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:15:05,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:15:05,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:15:05,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:15:05,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:15:05,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:15:05,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:15:05,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:15:05,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:15:05,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:15:05,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:15:05,991 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:15:05,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:15:05,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:15:05,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:15:05,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:15:05,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:15:05,995 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:15:05,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:15:05,995 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:15:05,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:15:05,997 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:15:05,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:15:05,997 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:15:05,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:15:05,998 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:15:05,998 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:15:05,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:15:05,999 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:15:06,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:15:06,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:15:06,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:15:06,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:15:06,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:15:06,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:15:06,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:15:06,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:15:06,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:15:06,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:15:06,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:15:06,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:06,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:15:06,006 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:15:06,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:15:06,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:15:06,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:15:06,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:15:06,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:15:06,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:15:06,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 [2022-11-22 01:15:06,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:15:06,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:15:06,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:15:06,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:15:06,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:15:06,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 01:15:10,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:15:11,174 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:15:11,175 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 01:15:11,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/data/962d62c70/e6cb99a6afeb4eef977fec7f11d3720f/FLAG4c3d25bcb [2022-11-22 01:15:11,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/data/962d62c70/e6cb99a6afeb4eef977fec7f11d3720f [2022-11-22 01:15:11,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:15:11,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:15:11,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:11,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:15:11,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:15:11,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:11" (1/1) ... [2022-11-22 01:15:11,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ca1d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:11, skipping insertion in model container [2022-11-22 01:15:11,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:11" (1/1) ... [2022-11-22 01:15:11,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:15:11,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:15:17,543 WARN L237 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_6f33c600-5d2c-4486-8665-e0862d7bb62d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-22 01:15:17,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:17,631 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:15:18,263 WARN L237 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_6f33c600-5d2c-4486-8665-e0862d7bb62d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-22 01:15:18,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:18,689 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:15:18,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18 WrapperNode [2022-11-22 01:15:18,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:18,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:18,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:15:18,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:15:18,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:18,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:19,377 INFO L138 Inliner]: procedures = 628, calls = 4559, calls flagged for inlining = 327, calls inlined = 323, statements flattened = 9526 [2022-11-22 01:15:19,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:19,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:15:19,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:15:19,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:15:19,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:19,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:19,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:19,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:15:20,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:15:20,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:15:20,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:15:20,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (1/1) ... [2022-11-22 01:15:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:15:20,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:15:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33c600-5d2c-4486-8665-e0862d7bb62d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:15:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-11-22 01:15:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-11-22 01:15:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-11-22 01:15:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-11-22 01:15:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-11-22 01:15:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-11-22 01:15:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:15:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:15:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-11-22 01:15:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-11-22 01:15:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-11-22 01:15:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-11-22 01:15:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-11-22 01:15:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-11-22 01:15:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-11-22 01:15:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-11-22 01:15:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:15:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:15:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-11-22 01:15:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-11-22 01:15:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-11-22 01:15:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-11-22 01:15:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-11-22 01:15:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-11-22 01:15:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-11-22 01:15:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-11-22 01:15:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:15:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:15:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-11-22 01:15:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-11-22 01:15:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-11-22 01:15:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-11-22 01:15:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-11-22 01:15:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-11-22 01:15:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-11-22 01:15:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-11-22 01:15:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:15:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:15:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-11-22 01:15:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-11-22 01:15:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-11-22 01:15:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-11-22 01:15:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-11-22 01:15:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-11-22 01:15:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-11-22 01:15:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-11-22 01:15:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-11-22 01:15:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-11-22 01:15:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-11-22 01:15:20,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-11-22 01:15:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-11-22 01:15:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-11-22 01:15:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-11-22 01:15:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-11-22 01:15:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:15:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:15:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:15:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:15:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-11-22 01:15:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-11-22 01:15:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-11-22 01:15:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-11-22 01:15:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:15:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:15:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-11-22 01:15:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-11-22 01:15:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:15:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:15:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-11-22 01:15:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-11-22 01:15:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-22 01:15:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-22 01:15:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-11-22 01:15:20,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-11-22 01:15:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:15:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-11-22 01:15:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-11-22 01:15:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 01:15:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 01:15:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-11-22 01:15:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-11-22 01:15:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:15:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:15:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-11-22 01:15:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-11-22 01:15:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-22 01:15:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-22 01:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-11-22 01:15:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-11-22 01:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-22 01:15:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-22 01:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:15:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:15:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-11-22 01:15:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-11-22 01:15:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-11-22 01:15:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-11-22 01:15:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:15:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-11-22 01:15:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-11-22 01:15:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-22 01:15:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-22 01:15:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:15:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:15:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:15:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:15:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 01:15:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 01:15:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-11-22 01:15:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-11-22 01:15:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-11-22 01:15:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-11-22 01:15:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-11-22 01:15:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-11-22 01:15:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-11-22 01:15:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-11-22 01:15:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-11-22 01:15:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-11-22 01:15:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:15:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:15:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:15:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:15:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:15:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 01:15:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 01:15:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-22 01:15:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-22 01:15:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 01:15:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 01:15:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-11-22 01:15:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-11-22 01:15:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-11-22 01:15:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-11-22 01:15:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-22 01:15:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-22 01:15:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:15:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-11-22 01:15:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-11-22 01:15:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:15:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:15:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:15:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-11-22 01:15:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-11-22 01:15:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-11-22 01:15:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-11-22 01:15:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:15:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:15:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-11-22 01:15:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-11-22 01:15:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:15:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:15:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-11-22 01:15:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-11-22 01:15:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-11-22 01:15:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-11-22 01:15:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-11-22 01:15:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-11-22 01:15:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-11-22 01:15:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-11-22 01:15:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-11-22 01:15:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-11-22 01:15:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-11-22 01:15:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-11-22 01:15:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-11-22 01:15:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-11-22 01:15:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-22 01:15:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-22 01:15:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:15:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:15:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-22 01:15:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-22 01:15:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-11-22 01:15:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-11-22 01:15:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:15:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:15:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-11-22 01:15:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-11-22 01:15:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:15:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:15:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-11-22 01:15:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-11-22 01:15:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-11-22 01:15:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-11-22 01:15:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-11-22 01:15:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-11-22 01:15:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-11-22 01:15:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-11-22 01:15:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-11-22 01:15:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-11-22 01:15:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-11-22 01:15:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-11-22 01:15:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-11-22 01:15:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-11-22 01:15:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:15:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:15:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-11-22 01:15:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-11-22 01:15:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-11-22 01:15:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-11-22 01:15:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-11-22 01:15:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-11-22 01:15:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-11-22 01:15:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-11-22 01:15:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:15:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:15:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-11-22 01:15:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-11-22 01:15:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-11-22 01:15:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-11-22 01:15:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:15:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:15:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:15:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:15:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-11-22 01:15:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-11-22 01:15:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-11-22 01:15:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-11-22 01:15:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-11-22 01:15:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-11-22 01:15:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-11-22 01:15:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-11-22 01:15:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:15:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:15:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-11-22 01:15:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-11-22 01:15:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 01:15:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 01:15:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-11-22 01:15:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-11-22 01:15:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-22 01:15:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-22 01:15:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 01:15:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 01:15:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-11-22 01:15:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-11-22 01:15:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-11-22 01:15:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-11-22 01:15:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:15:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:15:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:15:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-11-22 01:15:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-11-22 01:15:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-22 01:15:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-22 01:15:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:15:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-11-22 01:15:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-11-22 01:15:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-11-22 01:15:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-11-22 01:15:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-11-22 01:15:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-11-22 01:15:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:15:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-11-22 01:15:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-11-22 01:15:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-11-22 01:15:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-11-22 01:15:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:15:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-11-22 01:15:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-11-22 01:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-22 01:15:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-22 01:15:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 01:15:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 01:15:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:15:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:15:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-22 01:15:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-22 01:15:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:15:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:15:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-11-22 01:15:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-11-22 01:15:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:15:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:15:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-11-22 01:15:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-11-22 01:15:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-11-22 01:15:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-11-22 01:15:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-11-22 01:15:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-11-22 01:15:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-11-22 01:15:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-11-22 01:15:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-11-22 01:15:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-11-22 01:15:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-11-22 01:15:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-11-22 01:15:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-11-22 01:15:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-11-22 01:15:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-22 01:15:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-11-22 01:15:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-11-22 01:15:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 01:15:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 01:15:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-11-22 01:15:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-11-22 01:15:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-11-22 01:15:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-11-22 01:15:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-11-22 01:15:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-11-22 01:15:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-11-22 01:15:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-11-22 01:15:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-11-22 01:15:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-11-22 01:15:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-11-22 01:15:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-11-22 01:15:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:15:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:15:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:15:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-11-22 01:15:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-11-22 01:15:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-22 01:15:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-22 01:15:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-11-22 01:15:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-11-22 01:15:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-11-22 01:15:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-11-22 01:15:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-11-22 01:15:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-11-22 01:15:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-22 01:15:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-22 01:15:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-11-22 01:15:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-11-22 01:15:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-11-22 01:15:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-11-22 01:15:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-11-22 01:15:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-11-22 01:15:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-11-22 01:15:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-11-22 01:15:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-11-22 01:15:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-11-22 01:15:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-22 01:15:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-22 01:15:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-11-22 01:15:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-11-22 01:15:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-11-22 01:15:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-11-22 01:15:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 01:15:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 01:15:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:15:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:15:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-11-22 01:15:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-11-22 01:15:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 01:15:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 01:15:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-22 01:15:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-22 01:15:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-11-22 01:15:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-11-22 01:15:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-11-22 01:15:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-11-22 01:15:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:15:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 01:15:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 01:15:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:15:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:15:22,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:15:22,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:15:27,838 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:17:01,299 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:17:01,538 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:17:04,208 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:17:04,208 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-22 01:17:04,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:17:04 BoogieIcfgContainer [2022-11-22 01:17:04,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:17:04,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:17:04,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:17:04,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:17:04,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:15:11" (1/3) ... [2022-11-22 01:17:04,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3124f5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:17:04, skipping insertion in model container [2022-11-22 01:17:04,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:18" (2/3) ... [2022-11-22 01:17:04,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3124f5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:17:04, skipping insertion in model container [2022-11-22 01:17:04,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:17:04" (3/3) ... [2022-11-22 01:17:04,228 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 01:17:04,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:17:04,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:17:04,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:17:04,431 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7babe86b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:17:04,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:17:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1748 states have (on average 1.3381006864988558) internal successors, (2339), 1768 states have internal predecessors, (2339), 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) [2022-11-22 01:17:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-11-22 01:17:04,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:04,564 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:17:04,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1810212662, now seen corresponding path program 1 times [2022-11-22 01:17:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:04,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751932221] [2022-11-22 01:17:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-11-22 01:17:07,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:07,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751932221] [2022-11-22 01:17:07,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751932221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:07,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:07,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:17:07,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604540574] [2022-11-22 01:17:07,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:07,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:17:07,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:07,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:17:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:17:07,861 INFO L87 Difference]: Start difference. First operand has 2800 states, 1748 states have (on average 1.3381006864988558) internal successors, (2339), 1768 states have internal predecessors, (2339), 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) [2022-11-22 01:17:14,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:15,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:17,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:23,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:28,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:33,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:33,265 INFO L93 Difference]: Finished difference Result 7843 states and 11458 transitions. [2022-11-22 01:17:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:17:33,273 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 [2022-11-22 01:17:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:33,355 INFO L225 Difference]: With dead ends: 7843 [2022-11-22 01:17:33,355 INFO L226 Difference]: Without dead ends: 5246 [2022-11-22 01:17:33,380 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:17:33,384 INFO L413 NwaCegarLoop]: 4238 mSDtfsCounter, 3622 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:33,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3625 Valid, 7702 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1159 Invalid, 1 Unknown, 0 Unchecked, 24.7s Time] [2022-11-22 01:17:33,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-11-22 01:17:33,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5245. [2022-11-22 01:17:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3321 states have (on average 1.3414634146341464) internal successors, (4455), 3361 states have internal predecessors, (4455), 1587 states have call successors, (1587), 337 states have call predecessors, (1587), 336 states have return successors, (1586), 1574 states have call predecessors, (1586), 1583 states have call successors, (1586) [2022-11-22 01:17:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7628 transitions. [2022-11-22 01:17:33,911 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7628 transitions. Word has length 1125 [2022-11-22 01:17:33,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:33,920 INFO L495 AbstractCegarLoop]: Abstraction has 5245 states and 7628 transitions. [2022-11-22 01:17:33,921 INFO L496 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) [2022-11-22 01:17:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7628 transitions. [2022-11-22 01:17:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2022-11-22 01:17:34,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:34,067 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 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] [2022-11-22 01:17:34,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:17:34,068 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:34,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:34,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2134401853, now seen corresponding path program 1 times [2022-11-22 01:17:34,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:34,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597713348] [2022-11-22 01:17:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-11-22 01:17:39,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597713348] [2022-11-22 01:17:39,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597713348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:39,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:39,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:17:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207547707] [2022-11-22 01:17:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:39,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:17:39,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:39,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:17:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:17:39,208 INFO L87 Difference]: Start difference. First operand 5245 states and 7628 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) [2022-11-22 01:17:43,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:45,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:57,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:00,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:01,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:02,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:03,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:04,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:07,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:10,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:13,551 INFO L93 Difference]: Finished difference Result 5255 states and 7638 transitions. [2022-11-22 01:18:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:18:13,552 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 1181 [2022-11-22 01:18:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:13,601 INFO L225 Difference]: With dead ends: 5255 [2022-11-22 01:18:13,602 INFO L226 Difference]: Without dead ends: 5253 [2022-11-22 01:18:13,606 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:18:13,610 INFO L413 NwaCegarLoop]: 3493 mSDtfsCounter, 3785 mSDsluCounter, 6986 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 10479 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:13,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3790 Valid, 10479 Invalid, 1657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1655 Invalid, 1 Unknown, 0 Unchecked, 33.8s Time] [2022-11-22 01:18:13,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-11-22 01:18:13,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2022-11-22 01:18:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3326 states have (on average 1.3409500901984366) internal successors, (4460), 3367 states have internal predecessors, (4460), 1587 states have call successors, (1587), 339 states have call predecessors, (1587), 339 states have return successors, (1589), 1574 states have call predecessors, (1589), 1583 states have call successors, (1589) [2022-11-22 01:18:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 7636 transitions. [2022-11-22 01:18:14,021 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 7636 transitions. Word has length 1181 [2022-11-22 01:18:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:14,025 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 7636 transitions. [2022-11-22 01:18:14,026 INFO L496 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) [2022-11-22 01:18:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 7636 transitions. [2022-11-22 01:18:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2022-11-22 01:18:14,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:14,065 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 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] [2022-11-22 01:18:14,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:18:14,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:18:14,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:14,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1558417855, now seen corresponding path program 1 times [2022-11-22 01:18:14,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:18:14,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516453630] [2022-11-22 01:18:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:14,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:18:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 48889 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48887 trivial. 0 not checked. [2022-11-22 01:18:17,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:18:17,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516453630] [2022-11-22 01:18:17,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516453630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:17,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:17,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:18:17,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213951832] [2022-11-22 01:18:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:17,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:18:17,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:18:17,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:18:17,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:18:17,933 INFO L87 Difference]: Start difference. First operand 5253 states and 7636 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) [2022-11-22 01:18:40,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:45,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:49,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:18:56,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:00,713 INFO L93 Difference]: Finished difference Result 10257 states and 15035 transitions. [2022-11-22 01:19:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:19:00,714 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 1187 [2022-11-22 01:19:00,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:00,785 INFO L225 Difference]: With dead ends: 10257 [2022-11-22 01:19:00,786 INFO L226 Difference]: Without dead ends: 10253 [2022-11-22 01:19:00,801 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:19:00,802 INFO L413 NwaCegarLoop]: 4332 mSDtfsCounter, 3807 mSDsluCounter, 11841 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 16173 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:00,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 16173 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2205 Invalid, 1 Unknown, 0 Unchecked, 41.9s Time] [2022-11-22 01:19:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10253 states. [2022-11-22 01:19:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10253 to 10242. [2022-11-22 01:19:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10242 states, 6514 states have (on average 1.3470985569542524) internal successors, (8775), 6601 states have internal predecessors, (8775), 3055 states have call successors, (3055), 676 states have call predecessors, (3055), 672 states have return successors, (3189), 3018 states have call predecessors, (3189), 3047 states have call successors, (3189) [2022-11-22 01:19:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10242 states to 10242 states and 15019 transitions. [2022-11-22 01:19:01,699 INFO L78 Accepts]: Start accepts. Automaton has 10242 states and 15019 transitions. Word has length 1187 [2022-11-22 01:19:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:01,701 INFO L495 AbstractCegarLoop]: Abstraction has 10242 states and 15019 transitions. [2022-11-22 01:19:01,701 INFO L496 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) [2022-11-22 01:19:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 10242 states and 15019 transitions. [2022-11-22 01:19:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2022-11-22 01:19:01,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:01,747 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:19:01,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:19:01,748 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:01,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:01,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1864086109, now seen corresponding path program 1 times [2022-11-22 01:19:01,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:01,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261027350] [2022-11-22 01:19:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 48894 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48890 trivial. 0 not checked. [2022-11-22 01:19:05,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:05,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261027350] [2022-11-22 01:19:05,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261027350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:05,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:05,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:19:05,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289022820] [2022-11-22 01:19:05,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:05,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:19:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:19:05,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:05,032 INFO L87 Difference]: Start difference. First operand 10242 states and 15019 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) [2022-11-22 01:19:18,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:19,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:21,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:22,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:29,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:31,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:34,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:41,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:45,418 INFO L93 Difference]: Finished difference Result 20177 states and 29773 transitions. [2022-11-22 01:19:45,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:19:45,419 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 1191 [2022-11-22 01:19:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:45,575 INFO L225 Difference]: With dead ends: 20177 [2022-11-22 01:19:45,575 INFO L226 Difference]: Without dead ends: 20143 [2022-11-22 01:19:45,595 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:19:45,596 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 3774 mSDsluCounter, 11683 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3777 SdHoareTripleChecker+Valid, 15932 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:45,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3777 Valid, 15932 Invalid, 2202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2198 Invalid, 1 Unknown, 0 Unchecked, 39.4s Time] [2022-11-22 01:19:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20143 states. [2022-11-22 01:19:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20143 to 20136. [2022-11-22 01:19:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20136 states, 12845 states have (on average 1.350175165434021) internal successors, (17343), 13019 states have internal predecessors, (17343), 5954 states have call successors, (5954), 1345 states have call predecessors, (5954), 1336 states have return successors, (6428), 5879 states have call predecessors, (6428), 5942 states have call successors, (6428) [2022-11-22 01:19:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20136 states to 20136 states and 29725 transitions. [2022-11-22 01:19:47,091 INFO L78 Accepts]: Start accepts. Automaton has 20136 states and 29725 transitions. Word has length 1191 [2022-11-22 01:19:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:47,092 INFO L495 AbstractCegarLoop]: Abstraction has 20136 states and 29725 transitions. [2022-11-22 01:19:47,093 INFO L496 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) [2022-11-22 01:19:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20136 states and 29725 transitions. [2022-11-22 01:19:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2022-11-22 01:19:47,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:47,199 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:19:47,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:19:47,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1751424337, now seen corresponding path program 1 times [2022-11-22 01:19:47,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:47,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931998338] [2022-11-22 01:19:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49345 trivial. 0 not checked. [2022-11-22 01:19:48,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:48,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931998338] [2022-11-22 01:19:48,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931998338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:48,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:48,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:19:48,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620304809] [2022-11-22 01:19:48,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:48,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:19:48,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:48,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:19:48,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:19:48,938 INFO L87 Difference]: Start difference. First operand 20136 states and 29725 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) [2022-11-22 01:19:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:52,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:19:57,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:58,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:01,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:06,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:20:10,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:14,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:20:17,203 INFO L93 Difference]: Finished difference Result 49752 states and 73338 transitions. [2022-11-22 01:20:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:20:17,204 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 [2022-11-22 01:20:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:20:17,405 INFO L225 Difference]: With dead ends: 49752 [2022-11-22 01:20:17,405 INFO L226 Difference]: Without dead ends: 29837 [2022-11-22 01:20:17,529 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:20:17,530 INFO L413 NwaCegarLoop]: 4232 mSDtfsCounter, 3560 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:20:17,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 7702 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1131 Invalid, 2 Unknown, 0 Unchecked, 27.0s Time] [2022-11-22 01:20:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29837 states. [2022-11-22 01:20:19,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29837 to 29787. [2022-11-22 01:20:19,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29787 states, 19000 states have (on average 1.3477368421052631) internal successors, (25607), 19274 states have internal predecessors, (25607), 8780 states have call successors, (8780), 2018 states have call predecessors, (8780), 2006 states have return successors, (9427), 8656 states have call predecessors, (9427), 8768 states have call successors, (9427) [2022-11-22 01:20:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29787 states to 29787 states and 43814 transitions. [2022-11-22 01:20:19,790 INFO L78 Accepts]: Start accepts. Automaton has 29787 states and 43814 transitions. Word has length 1243 [2022-11-22 01:20:19,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:20:19,791 INFO L495 AbstractCegarLoop]: Abstraction has 29787 states and 43814 transitions. [2022-11-22 01:20:19,791 INFO L496 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) [2022-11-22 01:20:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 29787 states and 43814 transitions. [2022-11-22 01:20:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1234 [2022-11-22 01:20:19,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:20:19,877 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:20:19,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:20:19,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:20:19,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:20:19,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1441080827, now seen corresponding path program 1 times [2022-11-22 01:20:19,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:20:19,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682052880] [2022-11-22 01:20:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:20:19,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:20:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:20:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 49346 trivial. 0 not checked. [2022-11-22 01:20:21,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:20:21,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682052880] [2022-11-22 01:20:21,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682052880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:20:21,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:20:21,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:20:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658045017] [2022-11-22 01:20:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:20:21,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:20:21,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:20:21,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:20:21,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:20:21,802 INFO L87 Difference]: Start difference. First operand 29787 states and 43814 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2022-11-22 01:20:26,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:32,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:37,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:47,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:20:47,360 INFO L93 Difference]: Finished difference Result 86995 states and 127426 transitions. [2022-11-22 01:20:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:20:47,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 1233 [2022-11-22 01:20:47,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:20:47,792 INFO L225 Difference]: With dead ends: 86995 [2022-11-22 01:20:47,793 INFO L226 Difference]: Without dead ends: 57429 [2022-11-22 01:20:48,065 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:20:48,066 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 3508 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 8188 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:20:48,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 8188 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1244 Invalid, 1 Unknown, 0 Unchecked, 23.1s Time] [2022-11-22 01:20:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57429 states. [2022-11-22 01:20:51,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57429 to 57363. [2022-11-22 01:20:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57363 states, 36569 states have (on average 1.3414093904673356) internal successors, (49054), 37096 states have internal predecessors, (49054), 16848 states have call successors, (16848), 3966 states have call predecessors, (16848), 3945 states have return successors, (17639), 16600 states have call predecessors, (17639), 16836 states have call successors, (17639) [2022-11-22 01:20:51,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57363 states to 57363 states and 83541 transitions. [2022-11-22 01:20:52,006 INFO L78 Accepts]: Start accepts. Automaton has 57363 states and 83541 transitions. Word has length 1233 [2022-11-22 01:20:52,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:20:52,007 INFO L495 AbstractCegarLoop]: Abstraction has 57363 states and 83541 transitions. [2022-11-22 01:20:52,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2022-11-22 01:20:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 57363 states and 83541 transitions. [2022-11-22 01:20:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2022-11-22 01:20:52,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:20:52,128 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 6, 6, 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, 1, 1, 1] [2022-11-22 01:20:52,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:20:52,129 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:20:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:20:52,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1442826238, now seen corresponding path program 1 times [2022-11-22 01:20:52,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:20:52,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142531225] [2022-11-22 01:20:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:20:52,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:20:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:20:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 49613 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 49599 trivial. 0 not checked. [2022-11-22 01:20:54,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:20:54,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142531225] [2022-11-22 01:20:54,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142531225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:20:54,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:20:54,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:20:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710333074] [2022-11-22 01:20:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:20:54,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:20:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:20:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:20:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:20:54,332 INFO L87 Difference]: Start difference. First operand 57363 states and 83541 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-22 01:20:56,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:02,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:05,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:08,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:21:16,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:17,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:23,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:23,101 INFO L93 Difference]: Finished difference Result 139296 states and 202828 transitions. [2022-11-22 01:21:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:21:23,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 1258 [2022-11-22 01:21:23,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:23,711 INFO L225 Difference]: With dead ends: 139296 [2022-11-22 01:21:23,712 INFO L226 Difference]: Without dead ends: 82154 [2022-11-22 01:21:23,978 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:21:23,979 INFO L413 NwaCegarLoop]: 4933 mSDtfsCounter, 3631 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:23,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 8403 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 25.0s Time] [2022-11-22 01:21:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82154 states. [2022-11-22 01:21:28,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82154 to 82090. [2022-11-22 01:21:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82090 states, 52427 states have (on average 1.3419039807732658) internal successors, (70352), 53216 states have internal predecessors, (70352), 23916 states have call successors, (23916), 5788 states have call predecessors, (23916), 5746 states have return successors, (25066), 23511 states have call predecessors, (25066), 23904 states have call successors, (25066) [2022-11-22 01:21:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82090 states to 82090 states and 119334 transitions. [2022-11-22 01:21:29,363 INFO L78 Accepts]: Start accepts. Automaton has 82090 states and 119334 transitions. Word has length 1258 [2022-11-22 01:21:29,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:29,366 INFO L495 AbstractCegarLoop]: Abstraction has 82090 states and 119334 transitions. [2022-11-22 01:21:29,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-22 01:21:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 82090 states and 119334 transitions. [2022-11-22 01:21:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2022-11-22 01:21:29,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:29,955 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 7, 7, 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, 1, 1, 1] [2022-11-22 01:21:29,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:21:29,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:21:29,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash 452652630, now seen corresponding path program 1 times [2022-11-22 01:21:29,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:29,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186766119] [2022-11-22 01:21:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:29,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 49632 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 49610 trivial. 0 not checked. [2022-11-22 01:21:31,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:31,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186766119] [2022-11-22 01:21:31,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186766119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:31,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:31,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:21:31,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889408583] [2022-11-22 01:21:31,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:31,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:21:31,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:21:31,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:21:31,837 INFO L87 Difference]: Start difference. First operand 82090 states and 119334 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, (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) [2022-11-22 01:21:40,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:41,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:42,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:44,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:45,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:51,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:58,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:07,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:07,784 INFO L93 Difference]: Finished difference Result 193395 states and 281627 transitions. [2022-11-22 01:22:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:07,785 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, (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 1258 [2022-11-22 01:22:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:08,912 INFO L225 Difference]: With dead ends: 193395 [2022-11-22 01:22:08,912 INFO L226 Difference]: Without dead ends: 118381 [2022-11-22 01:22:09,154 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:22:09,156 INFO L413 NwaCegarLoop]: 5947 mSDtfsCounter, 3623 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:09,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 9418 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1546 Invalid, 1 Unknown, 0 Unchecked, 30.5s Time] [2022-11-22 01:22:09,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118381 states. [2022-11-22 01:22:16,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118381 to 118317. [2022-11-22 01:22:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118317 states, 75598 states have (on average 1.3424032381809043) internal successors, (101483), 76752 states have internal predecessors, (101483), 34428 states have call successors, (34428), 8356 states have call predecessors, (34428), 8290 states have return successors, (36145), 33826 states have call predecessors, (36145), 34416 states have call successors, (36145) [2022-11-22 01:22:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118317 states to 118317 states and 172056 transitions. [2022-11-22 01:22:17,414 INFO L78 Accepts]: Start accepts. Automaton has 118317 states and 172056 transitions. Word has length 1258 [2022-11-22 01:22:17,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:17,416 INFO L495 AbstractCegarLoop]: Abstraction has 118317 states and 172056 transitions. [2022-11-22 01:22:17,416 INFO L496 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, (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) [2022-11-22 01:22:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 118317 states and 172056 transitions. [2022-11-22 01:22:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2022-11-22 01:22:17,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:17,520 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:22:17,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:22:17,521 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:22:17,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash 441045789, now seen corresponding path program 1 times [2022-11-22 01:22:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:17,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729260757] [2022-11-22 01:22:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 49611 trivial. 0 not checked. [2022-11-22 01:22:19,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:19,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729260757] [2022-11-22 01:22:19,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729260757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:19,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:19,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:22:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047244687] [2022-11-22 01:22:19,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:19,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:19,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:19,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:19,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:19,347 INFO L87 Difference]: Start difference. First operand 118317 states and 172056 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, (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) [2022-11-22 01:22:23,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:30,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:31,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:33,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:35,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:40,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:44,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []