./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:44:17,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:44:17,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:44:17,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:44:17,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:44:17,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:44:17,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:44:17,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:44:17,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:44:17,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:44:17,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:44:17,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:44:17,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:44:17,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:44:17,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:44:17,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:44:17,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:44:17,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:44:18,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:44:18,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:44:18,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:44:18,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:44:18,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:44:18,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:44:18,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:44:18,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:44:18,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:44:18,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:44:18,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:44:18,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:44:18,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:44:18,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:44:18,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:44:18,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:44:18,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:44:18,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:44:18,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:44:18,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:44:18,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:44:18,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:44:18,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:44:18,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 08:44:18,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:44:18,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:44:18,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:44:18,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:44:18,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:44:18,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:44:18,113 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:44:18,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:44:18,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:44:18,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:44:18,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:44:18,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:44:18,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:44:18,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:44:18,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:44:18,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:44:18,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:44:18,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:44:18,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:44:18,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:44:18,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:44:18,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:44:18,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:44:18,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:44:18,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:44:18,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:44:18,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:44:18,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:44:18,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:44:18,124 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_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-09 08:44:18,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:44:18,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:44:18,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:44:18,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:44:18,578 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:44:18,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 08:44:18,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/data/e0ab6e5a8/ab7e5eb94dff4c28bb8f01907fb3e701/FLAGee3a4fd62 [2021-11-09 08:44:20,033 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:44:20,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 08:44:20,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/data/e0ab6e5a8/ab7e5eb94dff4c28bb8f01907fb3e701/FLAGee3a4fd62 [2021-11-09 08:44:20,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/data/e0ab6e5a8/ab7e5eb94dff4c28bb8f01907fb3e701 [2021-11-09 08:44:20,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:44:20,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:44:20,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:44:20,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:44:20,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:44:20,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:44:20" (1/1) ... [2021-11-09 08:44:20,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27da862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:20, skipping insertion in model container [2021-11-09 08:44:20,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:44:20" (1/1) ... [2021-11-09 08:44:20,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:44:20,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:44:26,184 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-09 08:44:26,188 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-09 08:44:26,189 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-09 08:44:26,190 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-09 08:44:26,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:44:26,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:44:27,438 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-09 08:44:27,438 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-09 08:44:27,439 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-09 08:44:27,440 WARN L228 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_e2c7153e-6807-4d93-9db5-1180b86a19db/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-09 08:44:27,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:44:27,772 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:44:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27 WrapperNode [2021-11-09 08:44:27,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:44:27,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:44:27,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:44:27,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:44:27,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:27,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:29,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:44:29,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:44:29,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:44:29,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:44:29,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:29,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:29,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:29,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:30,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:30,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:30,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:31,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:44:31,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:44:31,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:44:31,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:44:31,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (1/1) ... [2021-11-09 08:44:31,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:44:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:31,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:31,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c7153e-6807-4d93-9db5-1180b86a19db/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:44:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-09 08:44:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-09 08:44:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:44:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-09 08:44:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-09 08:44:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:44:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-09 08:44:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-09 08:44:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:44:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:44:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-09 08:44:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-09 08:44:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:44:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:44:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:44:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:44:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:44:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:44:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 08:44:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 08:44:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:45:26,489 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-09 08:45:26,489 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-09 08:45:26,489 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-09 08:45:26,490 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-09 08:45:26,490 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-09 08:45:26,490 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-09 08:45:26,491 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-09 08:45:26,491 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-09 08:45:26,491 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-09 08:45:26,492 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-09 08:45:26,493 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-09 08:45:26,494 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-09 08:45:29,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:45:29,661 INFO L299 CfgBuilder]: Removed 5473 assume(true) statements. [2021-11-09 08:45:29,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:45:29 BoogieIcfgContainer [2021-11-09 08:45:29,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:45:29,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:45:29,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:45:29,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:45:29,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:44:20" (1/3) ... [2021-11-09 08:45:29,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f18a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:45:29, skipping insertion in model container [2021-11-09 08:45:29,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:27" (2/3) ... [2021-11-09 08:45:29,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f18a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:45:29, skipping insertion in model container [2021-11-09 08:45:29,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:45:29" (3/3) ... [2021-11-09 08:45:29,684 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 08:45:29,691 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:45:29,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2021-11-09 08:45:29,797 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:45:29,805 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:45:29,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2021-11-09 08:45:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 5559 states, 5454 states have (on average 1.3221488815548221) internal successors, (7211), 5539 states have internal predecessors, (7211), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:45:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-09 08:45:29,952 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:29,953 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:29,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:29,961 INFO L85 PathProgramCache]: Analyzing trace with hash 985546936, now seen corresponding path program 1 times [2021-11-09 08:45:29,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:29,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589792118] [2021-11-09 08:45:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:29,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:31,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:31,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589792118] [2021-11-09 08:45:31,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589792118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:31,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:31,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:31,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693288798] [2021-11-09 08:45:31,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:31,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:31,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:31,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:31,513 INFO L87 Difference]: Start difference. First operand has 5559 states, 5454 states have (on average 1.3221488815548221) internal successors, (7211), 5539 states have internal predecessors, (7211), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:34,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:34,801 INFO L93 Difference]: Finished difference Result 15525 states and 20269 transitions. [2021-11-09 08:45:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:34,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2021-11-09 08:45:34,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:34,909 INFO L225 Difference]: With dead ends: 15525 [2021-11-09 08:45:34,909 INFO L226 Difference]: Without dead ends: 9684 [2021-11-09 08:45:34,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2021-11-09 08:45:35,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 9548. [2021-11-09 08:45:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9548 states, 9424 states have (on average 1.2457555178268251) internal successors, (11740), 9509 states have internal predecessors, (11740), 30 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-09 08:45:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9548 states to 9548 states and 11800 transitions. [2021-11-09 08:45:35,523 INFO L78 Accepts]: Start accepts. Automaton has 9548 states and 11800 transitions. Word has length 165 [2021-11-09 08:45:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:35,528 INFO L470 AbstractCegarLoop]: Abstraction has 9548 states and 11800 transitions. [2021-11-09 08:45:35,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 9548 states and 11800 transitions. [2021-11-09 08:45:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-09 08:45:35,548 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:35,549 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:35,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:45:35,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash -798996370, now seen corresponding path program 1 times [2021-11-09 08:45:35,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:35,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277980261] [2021-11-09 08:45:35,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:36,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:36,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277980261] [2021-11-09 08:45:36,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277980261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:36,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:36,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:36,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024035855] [2021-11-09 08:45:36,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:36,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:36,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:36,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:36,687 INFO L87 Difference]: Start difference. First operand 9548 states and 11800 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:39,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:39,853 INFO L93 Difference]: Finished difference Result 21490 states and 26522 transitions. [2021-11-09 08:45:39,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:39,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2021-11-09 08:45:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:39,962 INFO L225 Difference]: With dead ends: 21490 [2021-11-09 08:45:39,962 INFO L226 Difference]: Without dead ends: 12338 [2021-11-09 08:45:40,005 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2021-11-09 08:45:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 12148. [2021-11-09 08:45:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12148 states, 12015 states have (on average 1.2432792342904702) internal successors, (14938), 12100 states have internal predecessors, (14938), 35 states have call successors, (35), 12 states have call predecessors, (35), 12 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-09 08:45:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12148 states to 12148 states and 15008 transitions. [2021-11-09 08:45:40,595 INFO L78 Accepts]: Start accepts. Automaton has 12148 states and 15008 transitions. Word has length 173 [2021-11-09 08:45:40,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:40,600 INFO L470 AbstractCegarLoop]: Abstraction has 12148 states and 15008 transitions. [2021-11-09 08:45:40,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 12148 states and 15008 transitions. [2021-11-09 08:45:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-09 08:45:40,606 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:40,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:40,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:45:40,608 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:40,608 INFO L85 PathProgramCache]: Analyzing trace with hash -451319765, now seen corresponding path program 1 times [2021-11-09 08:45:40,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:40,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821446666] [2021-11-09 08:45:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:40,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:41,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:41,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821446666] [2021-11-09 08:45:41,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821446666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:41,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:41,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:41,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416781224] [2021-11-09 08:45:41,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:41,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:41,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:41,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:41,428 INFO L87 Difference]: Start difference. First operand 12148 states and 15008 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:44,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:44,980 INFO L93 Difference]: Finished difference Result 28071 states and 34642 transitions. [2021-11-09 08:45:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:44,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-11-09 08:45:44,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:45,103 INFO L225 Difference]: With dead ends: 28071 [2021-11-09 08:45:45,103 INFO L226 Difference]: Without dead ends: 16319 [2021-11-09 08:45:45,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:45,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16319 states. [2021-11-09 08:45:45,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16319 to 16141. [2021-11-09 08:45:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16141 states, 15997 states have (on average 1.2397949615552917) internal successors, (19833), 16082 states have internal predecessors, (19833), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-11-09 08:45:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16141 states to 16141 states and 19917 transitions. [2021-11-09 08:45:45,867 INFO L78 Accepts]: Start accepts. Automaton has 16141 states and 19917 transitions. Word has length 174 [2021-11-09 08:45:45,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:45,868 INFO L470 AbstractCegarLoop]: Abstraction has 16141 states and 19917 transitions. [2021-11-09 08:45:45,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 16141 states and 19917 transitions. [2021-11-09 08:45:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-09 08:45:45,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:45,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:45,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:45:45,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash 7874446, now seen corresponding path program 1 times [2021-11-09 08:45:45,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:45,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960692005] [2021-11-09 08:45:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:45,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:46,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:46,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960692005] [2021-11-09 08:45:46,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960692005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:46,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:46,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:46,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074916852] [2021-11-09 08:45:46,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:46,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:46,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:46,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:46,580 INFO L87 Difference]: Start difference. First operand 16141 states and 19917 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:49,889 INFO L93 Difference]: Finished difference Result 41042 states and 50939 transitions. [2021-11-09 08:45:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-11-09 08:45:49,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:50,007 INFO L225 Difference]: With dead ends: 41042 [2021-11-09 08:45:50,007 INFO L226 Difference]: Without dead ends: 25297 [2021-11-09 08:45:50,066 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25297 states. [2021-11-09 08:45:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25297 to 25113. [2021-11-09 08:45:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25113 states, 24929 states have (on average 1.2485458702715713) internal successors, (31125), 25014 states have internal predecessors, (31125), 72 states have call successors, (72), 26 states have call predecessors, (72), 26 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-11-09 08:45:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25113 states to 25113 states and 31269 transitions. [2021-11-09 08:45:51,103 INFO L78 Accepts]: Start accepts. Automaton has 25113 states and 31269 transitions. Word has length 179 [2021-11-09 08:45:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:51,104 INFO L470 AbstractCegarLoop]: Abstraction has 25113 states and 31269 transitions. [2021-11-09 08:45:51,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 25113 states and 31269 transitions. [2021-11-09 08:45:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-09 08:45:51,111 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:51,112 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:45:51,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:45:51,115 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash 577209910, now seen corresponding path program 1 times [2021-11-09 08:45:51,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:51,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747207164] [2021-11-09 08:45:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:51,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:52,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:52,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747207164] [2021-11-09 08:45:52,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747207164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:52,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:52,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:52,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114518039] [2021-11-09 08:45:52,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:52,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:52,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:52,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:52,267 INFO L87 Difference]: Start difference. First operand 25113 states and 31269 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:56,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:56,236 INFO L93 Difference]: Finished difference Result 72477 states and 90434 transitions. [2021-11-09 08:45:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:56,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2021-11-09 08:45:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:56,476 INFO L225 Difference]: With dead ends: 72477 [2021-11-09 08:45:56,476 INFO L226 Difference]: Without dead ends: 48552 [2021-11-09 08:45:56,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48552 states. [2021-11-09 08:45:58,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48552 to 48416. [2021-11-09 08:45:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48416 states, 48134 states have (on average 1.249885735654631) internal successors, (60162), 48219 states have internal predecessors, (60162), 144 states have call successors, (144), 52 states have call predecessors, (144), 52 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2021-11-09 08:45:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48416 states to 48416 states and 60450 transitions. [2021-11-09 08:45:58,776 INFO L78 Accepts]: Start accepts. Automaton has 48416 states and 60450 transitions. Word has length 198 [2021-11-09 08:45:58,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:58,779 INFO L470 AbstractCegarLoop]: Abstraction has 48416 states and 60450 transitions. [2021-11-09 08:45:58,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 48416 states and 60450 transitions. [2021-11-09 08:45:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-09 08:45:58,788 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:58,788 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:45:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:45:58,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:45:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:58,790 INFO L85 PathProgramCache]: Analyzing trace with hash -702653768, now seen corresponding path program 1 times [2021-11-09 08:45:58,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319145935] [2021-11-09 08:45:58,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:59,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:59,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319145935] [2021-11-09 08:45:59,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319145935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:59,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:59,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:59,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958065650] [2021-11-09 08:45:59,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:59,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:59,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:59,741 INFO L87 Difference]: Start difference. First operand 48416 states and 60450 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:05,427 INFO L93 Difference]: Finished difference Result 119091 states and 148812 transitions. [2021-11-09 08:46:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:46:05,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2021-11-09 08:46:05,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:05,777 INFO L225 Difference]: With dead ends: 119091 [2021-11-09 08:46:05,778 INFO L226 Difference]: Without dead ends: 71863 [2021-11-09 08:46:05,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:46:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71863 states. [2021-11-09 08:46:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71863 to 71650. [2021-11-09 08:46:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71650 states, 71270 states have (on average 1.2505963238389224) internal successors, (89130), 71355 states have internal predecessors, (89130), 216 states have call successors, (216), 78 states have call predecessors, (216), 78 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2021-11-09 08:46:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71650 states to 71650 states and 89562 transitions. [2021-11-09 08:46:08,970 INFO L78 Accepts]: Start accepts. Automaton has 71650 states and 89562 transitions. Word has length 198 [2021-11-09 08:46:08,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:08,971 INFO L470 AbstractCegarLoop]: Abstraction has 71650 states and 89562 transitions. [2021-11-09 08:46:08,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 71650 states and 89562 transitions. [2021-11-09 08:46:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-09 08:46:08,991 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:08,991 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:46:08,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:46:08,992 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:46:08,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1862559787, now seen corresponding path program 1 times [2021-11-09 08:46:08,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:08,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412704199] [2021-11-09 08:46:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:08,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-09 08:46:11,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:11,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412704199] [2021-11-09 08:46:11,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412704199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:11,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:11,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:46:11,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161273323] [2021-11-09 08:46:11,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:46:11,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:11,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:46:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:46:11,046 INFO L87 Difference]: Start difference. First operand 71650 states and 89562 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:13,930 INFO L93 Difference]: Finished difference Result 71650 states and 89562 transitions. [2021-11-09 08:46:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:46:13,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2021-11-09 08:46:13,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:14,222 INFO L225 Difference]: With dead ends: 71650 [2021-11-09 08:46:14,223 INFO L226 Difference]: Without dead ends: 71644 [2021-11-09 08:46:14,249 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:46:14,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71644 states. [2021-11-09 08:46:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71644 to 71644. [2021-11-09 08:46:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71644 states, 71267 states have (on average 1.2505647775267656) internal successors, (89124), 71349 states have internal predecessors, (89124), 216 states have call successors, (216), 78 states have call predecessors, (216), 78 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2021-11-09 08:46:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71644 states to 71644 states and 89556 transitions. [2021-11-09 08:46:17,305 INFO L78 Accepts]: Start accepts. Automaton has 71644 states and 89556 transitions. Word has length 203 [2021-11-09 08:46:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:17,305 INFO L470 AbstractCegarLoop]: Abstraction has 71644 states and 89556 transitions. [2021-11-09 08:46:17,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 71644 states and 89556 transitions. [2021-11-09 08:46:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-09 08:46:17,316 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:17,316 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:46:17,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:46:17,317 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:46:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1081603224, now seen corresponding path program 1 times [2021-11-09 08:46:17,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177279053] [2021-11-09 08:46:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-09 08:46:18,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:18,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177279053] [2021-11-09 08:46:18,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177279053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:18,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:18,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:46:18,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506168822] [2021-11-09 08:46:18,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:46:18,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:46:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:46:18,703 INFO L87 Difference]: Start difference. First operand 71644 states and 89556 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:21,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:21,327 INFO L93 Difference]: Finished difference Result 71644 states and 89556 transitions. [2021-11-09 08:46:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:46:21,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-11-09 08:46:21,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:21,707 INFO L225 Difference]: With dead ends: 71644 [2021-11-09 08:46:21,708 INFO L226 Difference]: Without dead ends: 71638 [2021-11-09 08:46:21,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:46:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71638 states. [2021-11-09 08:46:24,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71638 to 71638. [2021-11-09 08:46:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71638 states, 71264 states have (on average 1.250533228558599) internal successors, (89118), 71343 states have internal predecessors, (89118), 216 states have call successors, (216), 78 states have call predecessors, (216), 78 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2021-11-09 08:46:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71638 states to 71638 states and 89550 transitions. [2021-11-09 08:46:24,795 INFO L78 Accepts]: Start accepts. Automaton has 71638 states and 89550 transitions. Word has length 205 [2021-11-09 08:46:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:24,796 INFO L470 AbstractCegarLoop]: Abstraction has 71638 states and 89550 transitions. [2021-11-09 08:46:24,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 71638 states and 89550 transitions. [2021-11-09 08:46:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-09 08:46:24,810 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:24,811 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:46:24,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 08:46:24,811 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:46:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 38809051, now seen corresponding path program 1 times [2021-11-09 08:46:24,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:24,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663676656] [2021-11-09 08:46:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:24,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-09 08:46:26,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:26,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663676656] [2021-11-09 08:46:26,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663676656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:26,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:26,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:46:26,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956856448] [2021-11-09 08:46:26,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:46:26,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:26,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:46:26,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:46:26,679 INFO L87 Difference]: Start difference. First operand 71638 states and 89550 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:30,170 INFO L93 Difference]: Finished difference Result 84415 states and 105660 transitions. [2021-11-09 08:46:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:46:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-11-09 08:46:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:30,531 INFO L225 Difference]: With dead ends: 84415 [2021-11-09 08:46:30,531 INFO L226 Difference]: Without dead ends: 84409 [2021-11-09 08:46:30,565 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:46:30,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84409 states. [2021-11-09 08:46:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84409 to 82171. [2021-11-09 08:46:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82171 states, 81626 states have (on average 1.2512557273417784) internal successors, (102135), 81702 states have internal predecessors, (102135), 312 states have call successors, (312), 156 states have call predecessors, (312), 156 states have return successors, (408), 312 states have call predecessors, (408), 312 states have call successors, (408) [2021-11-09 08:46:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82171 states to 82171 states and 102855 transitions. [2021-11-09 08:46:34,535 INFO L78 Accepts]: Start accepts. Automaton has 82171 states and 102855 transitions. Word has length 207 [2021-11-09 08:46:34,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:34,536 INFO L470 AbstractCegarLoop]: Abstraction has 82171 states and 102855 transitions. [2021-11-09 08:46:34,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 82171 states and 102855 transitions. [2021-11-09 08:46:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-09 08:46:34,548 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:34,549 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-09 08:46:34,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 08:46:34,549 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-09 08:46:34,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:34,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1359010914, now seen corresponding path program 1 times [2021-11-09 08:46:34,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:34,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350477915] [2021-11-09 08:46:34,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:34,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-09 08:46:36,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:36,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350477915] [2021-11-09 08:46:36,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350477915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:36,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:36,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:46:36,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302992836] [2021-11-09 08:46:36,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:46:36,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:36,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:46:36,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:46:36,121 INFO L87 Difference]: Start difference. First operand 82171 states and 102855 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:39,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:39,283 INFO L93 Difference]: Finished difference Result 82171 states and 102855 transitions. [2021-11-09 08:46:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:46:39,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2021-11-09 08:46:39,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:39,547 INFO L225 Difference]: With dead ends: 82171 [2021-11-09 08:46:39,547 INFO L226 Difference]: Without dead ends: 82165 [2021-11-09 08:46:39,582 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:46:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82165 states.