./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 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 16:57:05,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 16:57:05,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 16:57:05,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 16:57:05,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 16:57:05,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 16:57:05,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 16:57:05,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 16:57:05,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 16:57:05,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 16:57:05,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 16:57:05,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 16:57:05,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 16:57:05,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 16:57:05,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 16:57:05,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 16:57:05,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 16:57:05,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 16:57:05,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 16:57:05,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 16:57:05,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 16:57:05,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 16:57:05,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 16:57:05,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 16:57:05,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 16:57:05,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 16:57:05,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 16:57:05,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 16:57:05,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 16:57:05,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 16:57:05,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 16:57:05,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 16:57:05,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 16:57:05,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 16:57:05,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 16:57:05,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 16:57:05,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 16:57:05,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 16:57:05,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 16:57:05,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 16:57:05,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 16:57:05,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 16:57:05,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 16:57:05,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 16:57:05,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 16:57:05,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 16:57:05,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 16:57:05,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 16:57:05,919 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 16:57:05,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 16:57:05,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 16:57:05,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 16:57:05,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 16:57:05,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 16:57:05,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 16:57:05,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 16:57:05,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 16:57:05,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 16:57:05,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 16:57:05,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 16:57:05,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 16:57:05,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-07 16:57:06,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 16:57:06,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 16:57:06,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 16:57:06,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 16:57:06,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 16:57:06,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-07 16:57:06,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9c8d880/515308c9719249f2adc2bf03dd3e9374/FLAGb249ddf98 [2021-11-07 16:57:06,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 16:57:06,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-07 16:57:06,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9c8d880/515308c9719249f2adc2bf03dd3e9374/FLAGb249ddf98 [2021-11-07 16:57:07,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9c8d880/515308c9719249f2adc2bf03dd3e9374 [2021-11-07 16:57:07,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 16:57:07,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 16:57:07,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 16:57:07,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 16:57:07,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 16:57:07,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:57:07" (1/1) ... [2021-11-07 16:57:07,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613e903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:07, skipping insertion in model container [2021-11-07 16:57:07,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:57:07" (1/1) ... [2021-11-07 16:57:07,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 16:57:07,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 16:57:09,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-07 16:57:09,764 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-07 16:57:09,764 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-07 16:57:09,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-07 16:57:09,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 16:57:09,877 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 16:57:10,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-07 16:57:10,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-07 16:57:10,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-07 16:57:10,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-07 16:57:10,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 16:57:10,498 INFO L208 MainTranslator]: Completed translation [2021-11-07 16:57:10,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10 WrapperNode [2021-11-07 16:57:10,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 16:57:10,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 16:57:10,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 16:57:10,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 16:57:10,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:10,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:11,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 16:57:11,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 16:57:11,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 16:57:11,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 16:57:11,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:11,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:11,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:11,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:11,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:12,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:12,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:12,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 16:57:12,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 16:57:12,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 16:57:12,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 16:57:12,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (1/1) ... [2021-11-07 16:57:12,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 16:57:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 16:57:12,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 16:57:12,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 16:57:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-07 16:57:12,320 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-07 16:57:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 16:57:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-07 16:57:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-07 16:57:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 16:57:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 16:57:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 16:57:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 16:57:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 16:57:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 16:57:43,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-07 16:57:43,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-07 16:57:43,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-07 16:57:43,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-07 16:57:43,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-07 16:57:43,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-07 16:57:43,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-07 16:57:43,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-07 16:57:43,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-07 16:57:43,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-07 16:57:43,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-07 16:57:43,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 16:57:44,786 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 16:57:44,786 INFO L299 CfgBuilder]: Removed 5473 assume(true) statements. [2021-11-07 16:57:44,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:57:44 BoogieIcfgContainer [2021-11-07 16:57:44,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 16:57:44,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 16:57:44,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 16:57:44,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 16:57:44,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:57:07" (1/3) ... [2021-11-07 16:57:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ad43f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:57:44, skipping insertion in model container [2021-11-07 16:57:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:10" (2/3) ... [2021-11-07 16:57:44,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ad43f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:57:44, skipping insertion in model container [2021-11-07 16:57:44,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:57:44" (3/3) ... [2021-11-07 16:57:44,800 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-07 16:57:44,803 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 16:57:44,803 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2021-11-07 16:57:44,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 16:57:44,867 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 [2021-11-07 16:57:44,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2021-11-07 16:57:44,951 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) [2021-11-07 16:57:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-07 16:57:44,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:57:44,975 INFO L514 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] [2021-11-07 16:57:44,976 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)] === [2021-11-07 16:57:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:57:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 985546936, now seen corresponding path program 1 times [2021-11-07 16:57:44,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:57:44,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947854577] [2021-11-07 16:57:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:57:44,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:57:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:57:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:57:45,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:57:45,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947854577] [2021-11-07 16:57:45,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947854577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:57:45,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:57:45,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:57:45,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516784283] [2021-11-07 16:57:45,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:57:45,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:57:45,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:57:45,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:57:45,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:45,867 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) [2021-11-07 16:57:48,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:57:48,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:57:48,652 INFO L93 Difference]: Finished difference Result 15525 states and 20269 transitions. [2021-11-07 16:57:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:57:48,655 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 [2021-11-07 16:57:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:57:48,704 INFO L225 Difference]: With dead ends: 15525 [2021-11-07 16:57:48,705 INFO L226 Difference]: Without dead ends: 9684 [2021-11-07 16:57:48,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:48,736 INFO L933 BasicCegarLoop]: 7111 mSDtfsCounter, 6300 mSDsluCounter, 7040 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2209.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 14151 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.42ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2449.11ms IncrementalHoareTripleChecker+Time [2021-11-07 16:57:48,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6300 Valid, 14151 Invalid, 54 Unknown, 0 Unchecked, 36.42ms Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 2449.11ms Time] [2021-11-07 16:57:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2021-11-07 16:57:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 9548. [2021-11-07 16:57:48,956 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) [2021-11-07 16:57:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9548 states to 9548 states and 11800 transitions. [2021-11-07 16:57:48,994 INFO L78 Accepts]: Start accepts. Automaton has 9548 states and 11800 transitions. Word has length 165 [2021-11-07 16:57:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:57:48,996 INFO L470 AbstractCegarLoop]: Abstraction has 9548 states and 11800 transitions. [2021-11-07 16:57:48,997 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) [2021-11-07 16:57:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 9548 states and 11800 transitions. [2021-11-07 16:57:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-07 16:57:49,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:57:49,002 INFO L514 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] [2021-11-07 16:57:49,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 16:57:49,003 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)] === [2021-11-07 16:57:49,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:57:49,004 INFO L85 PathProgramCache]: Analyzing trace with hash -798996370, now seen corresponding path program 1 times [2021-11-07 16:57:49,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:57:49,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695804884] [2021-11-07 16:57:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:57:49,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:57:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:57:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:57:49,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:57:49,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695804884] [2021-11-07 16:57:49,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695804884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:57:49,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:57:49,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:57:49,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671851417] [2021-11-07 16:57:49,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:57:49,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:57:49,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:57:49,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:57:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:49,401 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) [2021-11-07 16:57:51,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:57:51,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:57:51,984 INFO L93 Difference]: Finished difference Result 21490 states and 26522 transitions. [2021-11-07 16:57:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:57:51,985 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 [2021-11-07 16:57:51,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:57:52,028 INFO L225 Difference]: With dead ends: 21490 [2021-11-07 16:57:52,029 INFO L226 Difference]: Without dead ends: 12338 [2021-11-07 16:57:52,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:52,054 INFO L933 BasicCegarLoop]: 6233 mSDtfsCounter, 4543 mSDsluCounter, 6104 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2190.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 12337 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.28ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2350.52ms IncrementalHoareTripleChecker+Time [2021-11-07 16:57:52,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4543 Valid, 12337 Invalid, 150 Unknown, 0 Unchecked, 17.28ms Time], IncrementalHoareTripleChecker [13 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2350.52ms Time] [2021-11-07 16:57:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2021-11-07 16:57:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 12148. [2021-11-07 16:57:52,251 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) [2021-11-07 16:57:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12148 states to 12148 states and 15008 transitions. [2021-11-07 16:57:52,281 INFO L78 Accepts]: Start accepts. Automaton has 12148 states and 15008 transitions. Word has length 173 [2021-11-07 16:57:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:57:52,281 INFO L470 AbstractCegarLoop]: Abstraction has 12148 states and 15008 transitions. [2021-11-07 16:57:52,282 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) [2021-11-07 16:57:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12148 states and 15008 transitions. [2021-11-07 16:57:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-07 16:57:52,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:57:52,285 INFO L514 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] [2021-11-07 16:57:52,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 16:57:52,285 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)] === [2021-11-07 16:57:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:57:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash -451319765, now seen corresponding path program 1 times [2021-11-07 16:57:52,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:57:52,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416156209] [2021-11-07 16:57:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:57:52,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:57:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:57:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:57:52,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:57:52,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416156209] [2021-11-07 16:57:52,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416156209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:57:52,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:57:52,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:57:52,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421702132] [2021-11-07 16:57:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:57:52,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:57:52,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:57:52,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:57:52,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:52,603 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) [2021-11-07 16:57:54,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:57:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:57:55,647 INFO L93 Difference]: Finished difference Result 28071 states and 34642 transitions. [2021-11-07 16:57:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:57:55,647 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 [2021-11-07 16:57:55,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:57:55,702 INFO L225 Difference]: With dead ends: 28071 [2021-11-07 16:57:55,702 INFO L226 Difference]: Without dead ends: 16319 [2021-11-07 16:57:55,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:55,735 INFO L933 BasicCegarLoop]: 8070 mSDtfsCounter, 4437 mSDsluCounter, 6103 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2212.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4437 SdHoareTripleChecker+Valid, 14173 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.99ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2607.40ms IncrementalHoareTripleChecker+Time [2021-11-07 16:57:55,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4437 Valid, 14173 Invalid, 150 Unknown, 0 Unchecked, 14.99ms Time], IncrementalHoareTripleChecker [13 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2607.40ms Time] [2021-11-07 16:57:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16319 states. [2021-11-07 16:57:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16319 to 16141. [2021-11-07 16:57:56,004 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) [2021-11-07 16:57:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16141 states to 16141 states and 19917 transitions. [2021-11-07 16:57:56,035 INFO L78 Accepts]: Start accepts. Automaton has 16141 states and 19917 transitions. Word has length 174 [2021-11-07 16:57:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:57:56,035 INFO L470 AbstractCegarLoop]: Abstraction has 16141 states and 19917 transitions. [2021-11-07 16:57:56,036 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) [2021-11-07 16:57:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 16141 states and 19917 transitions. [2021-11-07 16:57:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-07 16:57:56,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:57:56,039 INFO L514 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] [2021-11-07 16:57:56,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 16:57:56,040 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)] === [2021-11-07 16:57:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:57:56,041 INFO L85 PathProgramCache]: Analyzing trace with hash 7874446, now seen corresponding path program 1 times [2021-11-07 16:57:56,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:57:56,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700555692] [2021-11-07 16:57:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:57:56,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:57:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:57:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:57:56,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:57:56,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700555692] [2021-11-07 16:57:56,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700555692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:57:56,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:57:56,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:57:56,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205913543] [2021-11-07 16:57:56,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:57:56,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:57:56,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:57:56,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:57:56,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:56,331 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) [2021-11-07 16:57:58,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:57:58,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:57:58,974 INFO L93 Difference]: Finished difference Result 41042 states and 50939 transitions. [2021-11-07 16:57:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:57:58,974 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 [2021-11-07 16:57:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:57:59,045 INFO L225 Difference]: With dead ends: 41042 [2021-11-07 16:57:59,045 INFO L226 Difference]: Without dead ends: 25297 [2021-11-07 16:57:59,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:59,082 INFO L933 BasicCegarLoop]: 6834 mSDtfsCounter, 4910 mSDsluCounter, 6126 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2152.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 12960 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.46ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2351.87ms IncrementalHoareTripleChecker+Time [2021-11-07 16:57:59,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4910 Valid, 12960 Invalid, 100 Unknown, 0 Unchecked, 9.46ms Time], IncrementalHoareTripleChecker [21 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 2351.87ms Time] [2021-11-07 16:57:59,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25297 states. [2021-11-07 16:57:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25297 to 25113. [2021-11-07 16:57:59,496 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) [2021-11-07 16:57:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25113 states to 25113 states and 31269 transitions. [2021-11-07 16:57:59,559 INFO L78 Accepts]: Start accepts. Automaton has 25113 states and 31269 transitions. Word has length 179 [2021-11-07 16:57:59,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:57:59,560 INFO L470 AbstractCegarLoop]: Abstraction has 25113 states and 31269 transitions. [2021-11-07 16:57:59,560 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) [2021-11-07 16:57:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 25113 states and 31269 transitions. [2021-11-07 16:57:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-07 16:57:59,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:57:59,564 INFO L514 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] [2021-11-07 16:57:59,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 16:57:59,565 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)] === [2021-11-07 16:57:59,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:57:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 577209910, now seen corresponding path program 1 times [2021-11-07 16:57:59,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:57:59,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931065867] [2021-11-07 16:57:59,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:57:59,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:57:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:57:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:57:59,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:57:59,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931065867] [2021-11-07 16:57:59,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931065867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:57:59,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:57:59,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:57:59,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766112132] [2021-11-07 16:57:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:57:59,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:57:59,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:57:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:57:59,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:57:59,859 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) [2021-11-07 16:58:01,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:58:02,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:02,660 INFO L93 Difference]: Finished difference Result 72477 states and 90434 transitions. [2021-11-07 16:58:02,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:58:02,660 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 [2021-11-07 16:58:02,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:02,759 INFO L225 Difference]: With dead ends: 72477 [2021-11-07 16:58:02,760 INFO L226 Difference]: Without dead ends: 48552 [2021-11-07 16:58:02,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:58:02,816 INFO L933 BasicCegarLoop]: 10385 mSDtfsCounter, 5632 mSDsluCounter, 6196 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2119.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5632 SdHoareTripleChecker+Valid, 16581 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.45ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2291.03ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:02,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5632 Valid, 16581 Invalid, 50 Unknown, 0 Unchecked, 10.45ms Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2291.03ms Time] [2021-11-07 16:58:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48552 states. [2021-11-07 16:58:04,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48552 to 48416. [2021-11-07 16:58:04,236 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) [2021-11-07 16:58:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48416 states to 48416 states and 60450 transitions. [2021-11-07 16:58:04,334 INFO L78 Accepts]: Start accepts. Automaton has 48416 states and 60450 transitions. Word has length 198 [2021-11-07 16:58:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:58:04,335 INFO L470 AbstractCegarLoop]: Abstraction has 48416 states and 60450 transitions. [2021-11-07 16:58:04,335 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) [2021-11-07 16:58:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 48416 states and 60450 transitions. [2021-11-07 16:58:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-07 16:58:04,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:58:04,340 INFO L514 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] [2021-11-07 16:58:04,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 16:58:04,340 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)] === [2021-11-07 16:58:04,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:58:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash -702653768, now seen corresponding path program 1 times [2021-11-07 16:58:04,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:58:04,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616346147] [2021-11-07 16:58:04,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:58:04,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:58:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:58:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:58:04,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:58:04,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616346147] [2021-11-07 16:58:04,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616346147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:58:04,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:58:04,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:58:04,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213931047] [2021-11-07 16:58:04,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:58:04,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:58:04,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:58:04,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:58:04,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:58:04,613 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) [2021-11-07 16:58:06,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 16:58:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:08,203 INFO L93 Difference]: Finished difference Result 119091 states and 148812 transitions. [2021-11-07 16:58:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:58:08,204 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 [2021-11-07 16:58:08,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:08,404 INFO L225 Difference]: With dead ends: 119091 [2021-11-07 16:58:08,404 INFO L226 Difference]: Without dead ends: 71863 [2021-11-07 16:58:08,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:58:08,490 INFO L933 BasicCegarLoop]: 11856 mSDtfsCounter, 5654 mSDsluCounter, 6175 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2133.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 18031 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.30ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2290.34ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:08,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 18031 Invalid, 52 Unknown, 0 Unchecked, 12.30ms Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2290.34ms Time] [2021-11-07 16:58:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71863 states. [2021-11-07 16:58:09,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71863 to 71650. [2021-11-07 16:58:09,914 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) [2021-11-07 16:58:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71650 states to 71650 states and 89562 transitions. [2021-11-07 16:58:10,073 INFO L78 Accepts]: Start accepts. Automaton has 71650 states and 89562 transitions. Word has length 198 [2021-11-07 16:58:10,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:58:10,074 INFO L470 AbstractCegarLoop]: Abstraction has 71650 states and 89562 transitions. [2021-11-07 16:58:10,074 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) [2021-11-07 16:58:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 71650 states and 89562 transitions. [2021-11-07 16:58:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-07 16:58:10,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:58:10,080 INFO L514 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] [2021-11-07 16:58:10,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 16:58:10,081 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)] === [2021-11-07 16:58:10,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:58:10,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1862559787, now seen corresponding path program 1 times [2021-11-07 16:58:10,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:58:10,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58190351] [2021-11-07 16:58:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:58:10,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:58:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:58:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 16:58:11,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:58:11,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58190351] [2021-11-07 16:58:11,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58190351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:58:11,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:58:11,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 16:58:11,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462194361] [2021-11-07 16:58:11,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:58:11,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 16:58:11,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:58:11,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 16:58:11,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 16:58:11,027 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) [2021-11-07 16:58:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:12,045 INFO L93 Difference]: Finished difference Result 71650 states and 89562 transitions. [2021-11-07 16:58:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 16:58:12,046 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 [2021-11-07 16:58:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:12,178 INFO L225 Difference]: With dead ends: 71650 [2021-11-07 16:58:12,178 INFO L226 Difference]: Without dead ends: 71644 [2021-11-07 16:58:12,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 16:58:12,204 INFO L933 BasicCegarLoop]: 6222 mSDtfsCounter, 6044 mSDsluCounter, 6180 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6044 SdHoareTripleChecker+Valid, 12402 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.31ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.26ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:12,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6044 Valid, 12402 Invalid, 53 Unknown, 0 Unchecked, 17.31ms Time], IncrementalHoareTripleChecker [17 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 150.26ms Time] [2021-11-07 16:58:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71644 states. [2021-11-07 16:58:13,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71644 to 71644. [2021-11-07 16:58:13,756 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) [2021-11-07 16:58:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71644 states to 71644 states and 89556 transitions. [2021-11-07 16:58:13,897 INFO L78 Accepts]: Start accepts. Automaton has 71644 states and 89556 transitions. Word has length 203 [2021-11-07 16:58:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:58:13,899 INFO L470 AbstractCegarLoop]: Abstraction has 71644 states and 89556 transitions. [2021-11-07 16:58:13,899 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) [2021-11-07 16:58:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 71644 states and 89556 transitions. [2021-11-07 16:58:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-07 16:58:13,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:58:13,906 INFO L514 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] [2021-11-07 16:58:13,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 16:58:13,906 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)] === [2021-11-07 16:58:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:58:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1081603224, now seen corresponding path program 1 times [2021-11-07 16:58:13,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:58:13,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979015027] [2021-11-07 16:58:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:58:13,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:58:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:58:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 16:58:14,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:58:14,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979015027] [2021-11-07 16:58:14,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979015027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:58:14,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:58:14,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 16:58:14,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46603786] [2021-11-07 16:58:14,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:58:14,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 16:58:14,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:58:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 16:58:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 16:58:14,731 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) [2021-11-07 16:58:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:15,995 INFO L93 Difference]: Finished difference Result 71644 states and 89556 transitions. [2021-11-07 16:58:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 16:58:15,995 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 [2021-11-07 16:58:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:16,131 INFO L225 Difference]: With dead ends: 71644 [2021-11-07 16:58:16,131 INFO L226 Difference]: Without dead ends: 71638 [2021-11-07 16:58:16,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 16:58:16,156 INFO L933 BasicCegarLoop]: 6216 mSDtfsCounter, 6033 mSDsluCounter, 6177 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6033 SdHoareTripleChecker+Valid, 12393 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.98ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.95ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:16,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6033 Valid, 12393 Invalid, 53 Unknown, 0 Unchecked, 25.98ms Time], IncrementalHoareTripleChecker [20 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 139.95ms Time] [2021-11-07 16:58:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71638 states. [2021-11-07 16:58:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71638 to 71638. [2021-11-07 16:58:17,614 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) [2021-11-07 16:58:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71638 states to 71638 states and 89550 transitions. [2021-11-07 16:58:17,772 INFO L78 Accepts]: Start accepts. Automaton has 71638 states and 89550 transitions. Word has length 205 [2021-11-07 16:58:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:58:17,773 INFO L470 AbstractCegarLoop]: Abstraction has 71638 states and 89550 transitions. [2021-11-07 16:58:17,773 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) [2021-11-07 16:58:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 71638 states and 89550 transitions. [2021-11-07 16:58:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-07 16:58:17,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:58:17,780 INFO L514 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] [2021-11-07 16:58:17,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 16:58:17,780 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)] === [2021-11-07 16:58:17,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:58:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 38809051, now seen corresponding path program 1 times [2021-11-07 16:58:17,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:58:17,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372056147] [2021-11-07 16:58:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:58:17,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:58:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:58:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 16:58:18,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:58:18,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372056147] [2021-11-07 16:58:18,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372056147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:58:18,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:58:18,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 16:58:18,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83809564] [2021-11-07 16:58:18,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:58:18,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 16:58:18,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:58:18,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 16:58:18,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 16:58:18,291 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) [2021-11-07 16:58:19,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:19,962 INFO L93 Difference]: Finished difference Result 84415 states and 105660 transitions. [2021-11-07 16:58:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 16:58:19,963 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 [2021-11-07 16:58:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:20,181 INFO L225 Difference]: With dead ends: 84415 [2021-11-07 16:58:20,181 INFO L226 Difference]: Without dead ends: 84409 [2021-11-07 16:58:20,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 16:58:20,215 INFO L933 BasicCegarLoop]: 6248 mSDtfsCounter, 4939 mSDsluCounter, 8012 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 362.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4939 SdHoareTripleChecker+Valid, 14260 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.96ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 424.81ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:20,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4939 Valid, 14260 Invalid, 218 Unknown, 0 Unchecked, 11.96ms Time], IncrementalHoareTripleChecker [56 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 424.81ms Time] [2021-11-07 16:58:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84409 states. [2021-11-07 16:58:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84409 to 82171. [2021-11-07 16:58:22,046 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) [2021-11-07 16:58:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82171 states to 82171 states and 102855 transitions. [2021-11-07 16:58:22,239 INFO L78 Accepts]: Start accepts. Automaton has 82171 states and 102855 transitions. Word has length 207 [2021-11-07 16:58:22,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:58:22,240 INFO L470 AbstractCegarLoop]: Abstraction has 82171 states and 102855 transitions. [2021-11-07 16:58:22,240 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) [2021-11-07 16:58:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 82171 states and 102855 transitions. [2021-11-07 16:58:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-07 16:58:22,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:58:22,251 INFO L514 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] [2021-11-07 16:58:22,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 16:58:22,251 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)] === [2021-11-07 16:58:22,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:58:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1359010914, now seen corresponding path program 1 times [2021-11-07 16:58:22,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:58:22,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807125045] [2021-11-07 16:58:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:58:22,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:58:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:58:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 16:58:22,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:58:22,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807125045] [2021-11-07 16:58:22,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807125045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:58:22,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:58:22,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 16:58:22,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961634592] [2021-11-07 16:58:22,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:58:22,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 16:58:22,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:58:22,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 16:58:22,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 16:58:22,929 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) [2021-11-07 16:58:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:58:24,570 INFO L93 Difference]: Finished difference Result 82171 states and 102855 transitions. [2021-11-07 16:58:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 16:58:24,570 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 [2021-11-07 16:58:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:58:24,730 INFO L225 Difference]: With dead ends: 82171 [2021-11-07 16:58:24,730 INFO L226 Difference]: Without dead ends: 82165 [2021-11-07 16:58:24,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 16:58:24,764 INFO L933 BasicCegarLoop]: 6204 mSDtfsCounter, 6017 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6017 SdHoareTripleChecker+Valid, 12375 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.15ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.31ms IncrementalHoareTripleChecker+Time [2021-11-07 16:58:24,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6017 Valid, 12375 Invalid, 47 Unknown, 0 Unchecked, 12.15ms Time], IncrementalHoareTripleChecker [20 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 135.31ms Time] [2021-11-07 16:58:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82165 states. [2021-11-07 16:58:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82165 to 82165. [2021-11-07 16:58:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82165 states, 81623 states have (on average 1.2512282077355648) internal successors, (102129), 81696 states have internal predecessors, (102129), 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)