./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 c36dfa3b 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-c36dfa3 [2021-11-04 09:36:44,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 09:36:44,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 09:36:44,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 09:36:44,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 09:36:44,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 09:36:44,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 09:36:44,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 09:36:44,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 09:36:44,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 09:36:44,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 09:36:44,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 09:36:44,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 09:36:44,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 09:36:44,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 09:36:44,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 09:36:44,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 09:36:44,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 09:36:44,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 09:36:44,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 09:36:44,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 09:36:44,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 09:36:44,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 09:36:44,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 09:36:44,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 09:36:44,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 09:36:44,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 09:36:44,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 09:36:44,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 09:36:44,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 09:36:44,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 09:36:44,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 09:36:44,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 09:36:44,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 09:36:44,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 09:36:44,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 09:36:44,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 09:36:44,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 09:36:44,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 09:36:44,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 09:36:44,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 09:36:44,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 09:36:44,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 09:36:44,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 09:36:44,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 09:36:44,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 09:36:44,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 09:36:44,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 09:36:44,666 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 09:36:44,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 09:36:44,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 09:36:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 09:36:44,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 09:36:44,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 09:36:44,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 09:36:44,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 09:36:44,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 09:36:44,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 09:36:44,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 09:36:44,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 09:36:44,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 09:36:44,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 09:36:44,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 09:36:44,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 09:36:44,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 09:36:44,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 09:36:44,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 09:36:44,670 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 09:36:44,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 09:36:44,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 09:36:44,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 09:36:44,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-04 09:36:44,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 09:36:44,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 09:36:44,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 09:36:44,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 09:36:44,908 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 09:36:44,909 INFO L432 ainManager$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 [2021-11-04 09:36:44,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d464b656/005b7c7994af4f84bec59ca0c4e02d55/FLAG9c75af886 [2021-11-04 09:36:45,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 09:36:45,782 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 [2021-11-04 09:36:45,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d464b656/005b7c7994af4f84bec59ca0c4e02d55/FLAG9c75af886 [2021-11-04 09:36:45,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d464b656/005b7c7994af4f84bec59ca0c4e02d55 [2021-11-04 09:36:45,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 09:36:45,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 09:36:45,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 09:36:45,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 09:36:45,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 09:36:45,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 09:36:45" (1/1) ... [2021-11-04 09:36:46,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5753df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:46, skipping insertion in model container [2021-11-04 09:36:46,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 09:36:45" (1/1) ... [2021-11-04 09:36:46,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 09:36:46,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 09:36:49,427 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] [2021-11-04 09:36:49,429 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] [2021-11-04 09:36:49,430 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] [2021-11-04 09:36:49,430 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] [2021-11-04 09:36:49,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 09:36:49,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 09:36:50,160 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] [2021-11-04 09:36:50,161 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] [2021-11-04 09:36:50,161 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] [2021-11-04 09:36:50,162 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] [2021-11-04 09:36:50,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 09:36:50,347 INFO L208 MainTranslator]: Completed translation [2021-11-04 09:36:50,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50 WrapperNode [2021-11-04 09:36:50,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 09:36:50,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 09:36:50,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 09:36:50,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 09:36:50,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:50,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:51,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 09:36:51,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 09:36:51,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 09:36:51,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 09:36:51,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:51,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:51,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:51,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:52,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:52,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:52,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:52,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 09:36:52,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 09:36:52,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 09:36:52,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 09:36:52,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (1/1) ... [2021-11-04 09:36:52,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 09:36:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 09:36:52,348 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) [2021-11-04 09:36:52,373 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 [2021-11-04 09:36:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-04 09:36:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-04 09:36:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 09:36:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-04 09:36:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 09:36:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 09:36:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-04 09:36:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-04 09:36:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 09:36:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 09:36:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 09:36:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 09:36:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 09:36:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 09:36:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 09:36:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 09:36:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 09:36:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 09:36:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 09:36:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 09:36:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 09:37:17,057 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-04 09:37:17,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-04 09:37:17,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-04 09:37:17,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-04 09:37:17,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-04 09:37:17,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-04 09:37:17,059 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-04 09:37:17,059 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-04 09:37:17,059 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-04 09:37:17,060 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-04 09:37:17,060 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-04 09:37:17,060 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-04 09:37:17,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 09:37:17,370 INFO L299 CfgBuilder]: Removed 5473 assume(true) statements. [2021-11-04 09:37:17,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 09:37:17 BoogieIcfgContainer [2021-11-04 09:37:17,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 09:37:17,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 09:37:17,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 09:37:17,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 09:37:17,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 09:36:45" (1/3) ... [2021-11-04 09:37:17,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb8db9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 09:37:17, skipping insertion in model container [2021-11-04 09:37:17,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:36:50" (2/3) ... [2021-11-04 09:37:17,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb8db9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 09:37:17, skipping insertion in model container [2021-11-04 09:37:17,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 09:37:17" (3/3) ... [2021-11-04 09:37:17,387 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-04 09:37:17,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 09:37:17,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2021-11-04 09:37:17,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 09:37:17,467 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 [2021-11-04 09:37:17,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2021-11-04 09:37:17,549 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) [2021-11-04 09:37:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-04 09:37:17,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:37:17,572 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] [2021-11-04 09:37:17,573 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)] === [2021-11-04 09:37:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:37:17,577 INFO L85 PathProgramCache]: Analyzing trace with hash 985546936, now seen corresponding path program 1 times [2021-11-04 09:37:17,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:37:17,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063082653] [2021-11-04 09:37:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:37:17,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:37:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:37:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:37:18,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:37:18,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063082653] [2021-11-04 09:37:18,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063082653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:37:18,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:37:18,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:37:18,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55351383] [2021-11-04 09:37:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:37:18,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:37:18,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:37:18,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:37:18,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:37:18,668 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) [2021-11-04 09:37:20,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:37:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:37:37,591 INFO L93 Difference]: Finished difference Result 15525 states and 20269 transitions. [2021-11-04 09:37:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:37:37,594 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 [2021-11-04 09:37:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:37:37,644 INFO L225 Difference]: With dead ends: 15525 [2021-11-04 09:37:37,645 INFO L226 Difference]: Without dead ends: 9684 [2021-11-04 09:37:37,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:37:37,685 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 6300 mSDsluCounter, 7040 mSDsCounter, 0 mSdLazyCounter, 13270 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15733.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 13282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.77ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13270 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18245.57ms IncrementalHoareTripleChecker+Time [2021-11-04 09:37:37,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6300 Valid, 922 Invalid, 13282 Unknown, 0 Unchecked, 44.77ms Time], IncrementalHoareTripleChecker [11 Valid, 13270 Invalid, 1 Unknown, 0 Unchecked, 18245.57ms Time] [2021-11-04 09:37:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2021-11-04 09:37:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 9548. [2021-11-04 09:37:37,963 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) [2021-11-04 09:37:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9548 states to 9548 states and 11800 transitions. [2021-11-04 09:37:38,010 INFO L78 Accepts]: Start accepts. Automaton has 9548 states and 11800 transitions. Word has length 165 [2021-11-04 09:37:38,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:37:38,011 INFO L470 AbstractCegarLoop]: Abstraction has 9548 states and 11800 transitions. [2021-11-04 09:37:38,011 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) [2021-11-04 09:37:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 9548 states and 11800 transitions. [2021-11-04 09:37:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-04 09:37:38,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:37:38,016 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] [2021-11-04 09:37:38,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 09:37:38,016 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)] === [2021-11-04 09:37:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:37:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash -798996370, now seen corresponding path program 1 times [2021-11-04 09:37:38,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:37:38,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012610206] [2021-11-04 09:37:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:37:38,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:37:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:37:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:37:38,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:37:38,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012610206] [2021-11-04 09:37:38,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012610206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:37:38,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:37:38,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:37:38,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208151943] [2021-11-04 09:37:38,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:37:38,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:37:38,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:37:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:37:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:37:38,665 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) [2021-11-04 09:37:40,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:37:55,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:37:55,760 INFO L93 Difference]: Finished difference Result 21490 states and 26522 transitions. [2021-11-04 09:37:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:37:55,765 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 [2021-11-04 09:37:55,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:37:55,824 INFO L225 Difference]: With dead ends: 21490 [2021-11-04 09:37:55,825 INFO L226 Difference]: Without dead ends: 12338 [2021-11-04 09:37:55,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:37:55,860 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 4543 mSDsluCounter, 6104 mSDsCounter, 0 mSdLazyCounter, 12402 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14395.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 12416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.38ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 12402 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16621.96ms IncrementalHoareTripleChecker+Time [2021-11-04 09:37:55,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4543 Valid, 70 Invalid, 12416 Unknown, 0 Unchecked, 20.38ms Time], IncrementalHoareTripleChecker [13 Valid, 12402 Invalid, 1 Unknown, 0 Unchecked, 16621.96ms Time] [2021-11-04 09:37:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2021-11-04 09:37:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 12148. [2021-11-04 09:37:56,134 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) [2021-11-04 09:37:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12148 states to 12148 states and 15008 transitions. [2021-11-04 09:37:56,166 INFO L78 Accepts]: Start accepts. Automaton has 12148 states and 15008 transitions. Word has length 173 [2021-11-04 09:37:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:37:56,167 INFO L470 AbstractCegarLoop]: Abstraction has 12148 states and 15008 transitions. [2021-11-04 09:37:56,168 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) [2021-11-04 09:37:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12148 states and 15008 transitions. [2021-11-04 09:37:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-04 09:37:56,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:37:56,174 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] [2021-11-04 09:37:56,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 09:37:56,174 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)] === [2021-11-04 09:37:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:37:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -451319765, now seen corresponding path program 1 times [2021-11-04 09:37:56,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:37:56,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973918964] [2021-11-04 09:37:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:37:56,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:37:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:37:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:37:56,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:37:56,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973918964] [2021-11-04 09:37:56,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973918964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:37:56,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:37:56,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:37:56,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757867731] [2021-11-04 09:37:56,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:37:56,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:37:56,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:37:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:37:56,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:37:56,637 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) [2021-11-04 09:37:58,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:38:15,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:38:15,702 INFO L93 Difference]: Finished difference Result 28071 states and 34642 transitions. [2021-11-04 09:38:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:38:15,703 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 [2021-11-04 09:38:15,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:38:15,757 INFO L225 Difference]: With dead ends: 28071 [2021-11-04 09:38:15,757 INFO L226 Difference]: Without dead ends: 16319 [2021-11-04 09:38:15,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:38:15,795 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 4437 mSDsluCounter, 6103 mSDsCounter, 0 mSdLazyCounter, 14229 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16172.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4437 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 14243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.01ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18576.27ms IncrementalHoareTripleChecker+Time [2021-11-04 09:38:15,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4437 Valid, 79 Invalid, 14243 Unknown, 0 Unchecked, 20.01ms Time], IncrementalHoareTripleChecker [13 Valid, 14229 Invalid, 1 Unknown, 0 Unchecked, 18576.27ms Time] [2021-11-04 09:38:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16319 states. [2021-11-04 09:38:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16319 to 16141. [2021-11-04 09:38:16,141 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) [2021-11-04 09:38:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16141 states to 16141 states and 19917 transitions. [2021-11-04 09:38:16,178 INFO L78 Accepts]: Start accepts. Automaton has 16141 states and 19917 transitions. Word has length 174 [2021-11-04 09:38:16,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:38:16,179 INFO L470 AbstractCegarLoop]: Abstraction has 16141 states and 19917 transitions. [2021-11-04 09:38:16,179 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) [2021-11-04 09:38:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 16141 states and 19917 transitions. [2021-11-04 09:38:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-04 09:38:16,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:38:16,183 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] [2021-11-04 09:38:16,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 09:38:16,185 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)] === [2021-11-04 09:38:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:38:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash 7874446, now seen corresponding path program 1 times [2021-11-04 09:38:16,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:38:16,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720012296] [2021-11-04 09:38:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:38:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:38:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:38:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:38:16,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:38:16,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720012296] [2021-11-04 09:38:16,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720012296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:38:16,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:38:16,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:38:16,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091573138] [2021-11-04 09:38:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:38:16,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:38:16,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:38:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:38:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:38:16,609 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) [2021-11-04 09:38:18,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:38:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:38:35,391 INFO L93 Difference]: Finished difference Result 41042 states and 50939 transitions. [2021-11-04 09:38:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:38:35,392 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 [2021-11-04 09:38:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:38:35,476 INFO L225 Difference]: With dead ends: 41042 [2021-11-04 09:38:35,476 INFO L226 Difference]: Without dead ends: 25297 [2021-11-04 09:38:35,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.53ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:38:35,525 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 4910 mSDsluCounter, 6126 mSDsCounter, 0 mSdLazyCounter, 12961 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15841.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 12983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.38ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12961 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18205.11ms IncrementalHoareTripleChecker+Time [2021-11-04 09:38:35,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4910 Valid, 76 Invalid, 12983 Unknown, 0 Unchecked, 19.38ms Time], IncrementalHoareTripleChecker [21 Valid, 12961 Invalid, 1 Unknown, 0 Unchecked, 18205.11ms Time] [2021-11-04 09:38:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25297 states. [2021-11-04 09:38:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25297 to 25113. [2021-11-04 09:38:36,065 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) [2021-11-04 09:38:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25113 states to 25113 states and 31269 transitions. [2021-11-04 09:38:36,127 INFO L78 Accepts]: Start accepts. Automaton has 25113 states and 31269 transitions. Word has length 179 [2021-11-04 09:38:36,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:38:36,128 INFO L470 AbstractCegarLoop]: Abstraction has 25113 states and 31269 transitions. [2021-11-04 09:38:36,128 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) [2021-11-04 09:38:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 25113 states and 31269 transitions. [2021-11-04 09:38:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-04 09:38:36,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:38:36,133 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] [2021-11-04 09:38:36,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 09:38:36,133 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)] === [2021-11-04 09:38:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:38:36,134 INFO L85 PathProgramCache]: Analyzing trace with hash 577209910, now seen corresponding path program 1 times [2021-11-04 09:38:36,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:38:36,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261619322] [2021-11-04 09:38:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:38:36,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:38:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:38:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:38:36,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:38:36,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261619322] [2021-11-04 09:38:36,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261619322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:38:36,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:38:36,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:38:36,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248717636] [2021-11-04 09:38:36,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:38:36,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:38:36,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:38:36,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:38:36,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:38:36,537 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) [2021-11-04 09:38:38,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:39:00,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:39:00,293 INFO L93 Difference]: Finished difference Result 72477 states and 90434 transitions. [2021-11-04 09:39:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:39:00,294 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 [2021-11-04 09:39:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:39:00,433 INFO L225 Difference]: With dead ends: 72477 [2021-11-04 09:39:00,433 INFO L226 Difference]: Without dead ends: 48552 [2021-11-04 09:39:00,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.05ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:39:00,516 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 5632 mSDsluCounter, 6196 mSDsCounter, 0 mSdLazyCounter, 16533 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19781.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5632 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 16543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.32ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 16533 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22794.19ms IncrementalHoareTripleChecker+Time [2021-11-04 09:39:00,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5632 Valid, 87 Invalid, 16543 Unknown, 0 Unchecked, 24.32ms Time], IncrementalHoareTripleChecker [9 Valid, 16533 Invalid, 1 Unknown, 0 Unchecked, 22794.19ms Time] [2021-11-04 09:39:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48552 states. [2021-11-04 09:39:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48552 to 48416. [2021-11-04 09:39:01,492 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) [2021-11-04 09:39:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48416 states to 48416 states and 60450 transitions. [2021-11-04 09:39:01,947 INFO L78 Accepts]: Start accepts. Automaton has 48416 states and 60450 transitions. Word has length 198 [2021-11-04 09:39:01,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:39:01,947 INFO L470 AbstractCegarLoop]: Abstraction has 48416 states and 60450 transitions. [2021-11-04 09:39:01,948 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) [2021-11-04 09:39:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 48416 states and 60450 transitions. [2021-11-04 09:39:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-04 09:39:01,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:39:01,953 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] [2021-11-04 09:39:01,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 09:39:01,953 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)] === [2021-11-04 09:39:01,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:39:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash -702653768, now seen corresponding path program 1 times [2021-11-04 09:39:01,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:39:01,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729112047] [2021-11-04 09:39:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:39:01,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:39:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:39:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:39:02,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:39:02,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729112047] [2021-11-04 09:39:02,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729112047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:39:02,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:39:02,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:39:02,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512414207] [2021-11-04 09:39:02,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:39:02,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:39:02,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:39:02,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:39:02,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:39:02,297 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) [2021-11-04 09:39:04,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:39:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:39:28,349 INFO L93 Difference]: Finished difference Result 119091 states and 148812 transitions. [2021-11-04 09:39:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:39:28,350 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 [2021-11-04 09:39:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:39:28,533 INFO L225 Difference]: With dead ends: 119091 [2021-11-04 09:39:28,534 INFO L226 Difference]: Without dead ends: 71863 [2021-11-04 09:39:28,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:39:28,650 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 5654 mSDsluCounter, 6175 mSDsCounter, 0 mSdLazyCounter, 17981 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21236.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 17992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.91ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 17981 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24532.07ms IncrementalHoareTripleChecker+Time [2021-11-04 09:39:28,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 90 Invalid, 17992 Unknown, 0 Unchecked, 25.91ms Time], IncrementalHoareTripleChecker [10 Valid, 17981 Invalid, 1 Unknown, 0 Unchecked, 24532.07ms Time] [2021-11-04 09:39:28,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71863 states. [2021-11-04 09:39:30,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71863 to 71650. [2021-11-04 09:39:30,180 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) [2021-11-04 09:39:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71650 states to 71650 states and 89562 transitions. [2021-11-04 09:39:30,487 INFO L78 Accepts]: Start accepts. Automaton has 71650 states and 89562 transitions. Word has length 198 [2021-11-04 09:39:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:39:30,488 INFO L470 AbstractCegarLoop]: Abstraction has 71650 states and 89562 transitions. [2021-11-04 09:39:30,488 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) [2021-11-04 09:39:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 71650 states and 89562 transitions. [2021-11-04 09:39:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-04 09:39:30,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:39:30,495 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] [2021-11-04 09:39:30,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 09:39:30,496 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)] === [2021-11-04 09:39:30,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:39:30,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1862559787, now seen corresponding path program 1 times [2021-11-04 09:39:30,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:39:30,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532878345] [2021-11-04 09:39:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:39:30,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:39:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:39:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:39:31,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:39:31,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532878345] [2021-11-04 09:39:31,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532878345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:39:31,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:39:31,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:39:31,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793277533] [2021-11-04 09:39:31,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:39:31,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:39:31,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:39:31,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:39:31,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:39:31,500 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) [2021-11-04 09:39:33,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:39:50,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:39:50,135 INFO L93 Difference]: Finished difference Result 71650 states and 89562 transitions. [2021-11-04 09:39:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:39:50,136 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 [2021-11-04 09:39:50,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:39:50,274 INFO L225 Difference]: With dead ends: 71650 [2021-11-04 09:39:50,274 INFO L226 Difference]: Without dead ends: 71644 [2021-11-04 09:39:50,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.11ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:39:50,304 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 6044 mSDsluCounter, 6179 mSDsCounter, 0 mSdLazyCounter, 12376 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15242.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6044 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.15ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 12376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17534.06ms IncrementalHoareTripleChecker+Time [2021-11-04 09:39:50,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6044 Valid, 60 Invalid, 12393 Unknown, 0 Unchecked, 38.15ms Time], IncrementalHoareTripleChecker [16 Valid, 12376 Invalid, 1 Unknown, 0 Unchecked, 17534.06ms Time] [2021-11-04 09:39:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71644 states. [2021-11-04 09:39:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71644 to 71644. [2021-11-04 09:39:51,552 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) [2021-11-04 09:39:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71644 states to 71644 states and 89556 transitions. [2021-11-04 09:39:51,838 INFO L78 Accepts]: Start accepts. Automaton has 71644 states and 89556 transitions. Word has length 203 [2021-11-04 09:39:51,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:39:51,839 INFO L470 AbstractCegarLoop]: Abstraction has 71644 states and 89556 transitions. [2021-11-04 09:39:51,839 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) [2021-11-04 09:39:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71644 states and 89556 transitions. [2021-11-04 09:39:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-04 09:39:51,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:39:51,868 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] [2021-11-04 09:39:51,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 09:39:51,868 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)] === [2021-11-04 09:39:51,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:39:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1081603224, now seen corresponding path program 1 times [2021-11-04 09:39:51,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:39:51,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721104766] [2021-11-04 09:39:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:39:51,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:39:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:39:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:39:52,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:39:52,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721104766] [2021-11-04 09:39:52,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721104766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:39:52,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:39:52,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:39:52,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168778644] [2021-11-04 09:39:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:39:52,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:39:52,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:39:52,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:39:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:39:52,791 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) [2021-11-04 09:39:54,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:40:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:40:13,112 INFO L93 Difference]: Finished difference Result 71644 states and 89556 transitions. [2021-11-04 09:40:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:40:13,112 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 [2021-11-04 09:40:13,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:40:13,243 INFO L225 Difference]: With dead ends: 71644 [2021-11-04 09:40:13,244 INFO L226 Difference]: Without dead ends: 71638 [2021-11-04 09:40:13,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:40:13,276 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 6033 mSDsluCounter, 6176 mSDsCounter, 0 mSdLazyCounter, 12364 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16507.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6033 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.82ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19026.34ms IncrementalHoareTripleChecker+Time [2021-11-04 09:40:13,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6033 Valid, 60 Invalid, 12384 Unknown, 0 Unchecked, 33.82ms Time], IncrementalHoareTripleChecker [19 Valid, 12364 Invalid, 1 Unknown, 0 Unchecked, 19026.34ms Time] [2021-11-04 09:40:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71638 states. [2021-11-04 09:40:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71638 to 71638. [2021-11-04 09:40:14,581 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) [2021-11-04 09:40:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71638 states to 71638 states and 89550 transitions. [2021-11-04 09:40:14,870 INFO L78 Accepts]: Start accepts. Automaton has 71638 states and 89550 transitions. Word has length 205 [2021-11-04 09:40:14,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:40:14,870 INFO L470 AbstractCegarLoop]: Abstraction has 71638 states and 89550 transitions. [2021-11-04 09:40:14,870 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) [2021-11-04 09:40:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 71638 states and 89550 transitions. [2021-11-04 09:40:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-04 09:40:14,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:40:14,878 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] [2021-11-04 09:40:14,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 09:40:14,879 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)] === [2021-11-04 09:40:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:40:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash 38809051, now seen corresponding path program 1 times [2021-11-04 09:40:14,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:40:14,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483888641] [2021-11-04 09:40:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:40:14,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:40:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:40:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:40:15,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:40:15,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483888641] [2021-11-04 09:40:15,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483888641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:40:15,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:40:15,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:40:15,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15887553] [2021-11-04 09:40:15,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:40:15,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:40:15,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:40:15,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:40:15,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:40:15,664 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) [2021-11-04 09:40:18,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:40:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:40:38,207 INFO L93 Difference]: Finished difference Result 84415 states and 105660 transitions. [2021-11-04 09:40:38,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:40:38,208 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 [2021-11-04 09:40:38,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:40:38,482 INFO L225 Difference]: With dead ends: 84415 [2021-11-04 09:40:38,482 INFO L226 Difference]: Without dead ends: 84409 [2021-11-04 09:40:38,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:40:38,531 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 4939 mSDsluCounter, 8011 mSDsCounter, 0 mSdLazyCounter, 14324 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18240.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4939 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 14380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.41ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20915.17ms IncrementalHoareTripleChecker+Time [2021-11-04 09:40:38,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4939 Valid, 96 Invalid, 14380 Unknown, 0 Unchecked, 32.41ms Time], IncrementalHoareTripleChecker [55 Valid, 14324 Invalid, 1 Unknown, 0 Unchecked, 20915.17ms Time] [2021-11-04 09:40:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84409 states. [2021-11-04 09:40:40,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84409 to 82171. [2021-11-04 09:40:40,263 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) [2021-11-04 09:40:40,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82171 states to 82171 states and 102855 transitions. [2021-11-04 09:40:40,436 INFO L78 Accepts]: Start accepts. Automaton has 82171 states and 102855 transitions. Word has length 207 [2021-11-04 09:40:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:40:40,436 INFO L470 AbstractCegarLoop]: Abstraction has 82171 states and 102855 transitions. [2021-11-04 09:40:40,436 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) [2021-11-04 09:40:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 82171 states and 102855 transitions. [2021-11-04 09:40:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-04 09:40:40,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:40:40,444 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] [2021-11-04 09:40:40,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 09:40:40,444 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)] === [2021-11-04 09:40:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:40:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1359010914, now seen corresponding path program 1 times [2021-11-04 09:40:40,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:40:40,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503403070] [2021-11-04 09:40:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:40:40,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:40:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:40:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:40:41,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:40:41,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503403070] [2021-11-04 09:40:41,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503403070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:40:41,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:40:41,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:40:41,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101449508] [2021-11-04 09:40:41,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:40:41,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:40:41,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:40:41,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:40:41,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:40:41,312 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) [2021-11-04 09:40:43,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:41:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:41:02,218 INFO L93 Difference]: Finished difference Result 82171 states and 102855 transitions. [2021-11-04 09:41:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:41:02,219 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 [2021-11-04 09:41:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:41:02,377 INFO L225 Difference]: With dead ends: 82171 [2021-11-04 09:41:02,378 INFO L226 Difference]: Without dead ends: 82165 [2021-11-04 09:41:02,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:41:02,408 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 6017 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 12340 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16696.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6017 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.08ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19331.49ms IncrementalHoareTripleChecker+Time [2021-11-04 09:41:02,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6017 Valid, 60 Invalid, 12360 Unknown, 0 Unchecked, 29.08ms Time], IncrementalHoareTripleChecker [19 Valid, 12340 Invalid, 1 Unknown, 0 Unchecked, 19331.49ms Time] [2021-11-04 09:41:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82165 states. [2021-11-04 09:41:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82165 to 82165. [2021-11-04 09:41:04,146 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) [2021-11-04 09:41:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82165 states to 82165 states and 102849 transitions. [2021-11-04 09:41:04,317 INFO L78 Accepts]: Start accepts. Automaton has 82165 states and 102849 transitions. Word has length 209 [2021-11-04 09:41:04,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:41:04,317 INFO L470 AbstractCegarLoop]: Abstraction has 82165 states and 102849 transitions. [2021-11-04 09:41:04,317 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-04 09:41:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 82165 states and 102849 transitions. [2021-11-04 09:41:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-04 09:41:04,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:41:04,326 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, 1, 1] [2021-11-04 09:41:04,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-04 09:41:04,326 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-04 09:41:04,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:41:04,327 INFO L85 PathProgramCache]: Analyzing trace with hash -339233311, now seen corresponding path program 1 times [2021-11-04 09:41:04,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:41:04,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397665238] [2021-11-04 09:41:04,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:41:04,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:41:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:41:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:41:05,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:41:05,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397665238] [2021-11-04 09:41:05,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397665238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:41:05,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:41:05,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:41:05,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585977474] [2021-11-04 09:41:05,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:41:05,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:41:05,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:41:05,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:41:05,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:41:05,262 INFO L87 Difference]: Start difference. First operand 82165 states and 102849 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 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) [2021-11-04 09:41:07,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:41:25,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:41:25,944 INFO L93 Difference]: Finished difference Result 82165 states and 102849 transitions. [2021-11-04 09:41:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:41:25,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 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 211 [2021-11-04 09:41:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:41:26,089 INFO L225 Difference]: With dead ends: 82165 [2021-11-04 09:41:26,089 INFO L226 Difference]: Without dead ends: 82159 [2021-11-04 09:41:26,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:41:26,122 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 6009 mSDsluCounter, 6167 mSDsCounter, 0 mSdLazyCounter, 12328 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16459.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6009 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.37ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19037.02ms IncrementalHoareTripleChecker+Time [2021-11-04 09:41:26,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6009 Valid, 60 Invalid, 12348 Unknown, 0 Unchecked, 29.37ms Time], IncrementalHoareTripleChecker [19 Valid, 12328 Invalid, 1 Unknown, 0 Unchecked, 19037.02ms Time] [2021-11-04 09:41:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82159 states. [2021-11-04 09:41:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82159 to 82159. [2021-11-04 09:41:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82159 states, 81620 states have (on average 1.2512006861063465) internal successors, (102123), 81690 states have internal predecessors, (102123), 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) [2021-11-04 09:41:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82159 states to 82159 states and 102843 transitions. [2021-11-04 09:41:28,227 INFO L78 Accepts]: Start accepts. Automaton has 82159 states and 102843 transitions. Word has length 211 [2021-11-04 09:41:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:41:28,228 INFO L470 AbstractCegarLoop]: Abstraction has 82159 states and 102843 transitions. [2021-11-04 09:41:28,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 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) [2021-11-04 09:41:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 82159 states and 102843 transitions. [2021-11-04 09:41:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-04 09:41:28,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:41:28,236 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, 1, 1, 1, 1] [2021-11-04 09:41:28,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-04 09:41:28,236 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-04 09:41:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:41:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 414500004, now seen corresponding path program 1 times [2021-11-04 09:41:28,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:41:28,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470596740] [2021-11-04 09:41:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:41:28,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:41:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:41:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-04 09:41:29,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:41:29,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470596740] [2021-11-04 09:41:29,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470596740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:41:29,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:41:29,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 09:41:29,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126723226] [2021-11-04 09:41:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:41:29,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 09:41:29,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:41:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 09:41:29,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 09:41:29,076 INFO L87 Difference]: Start difference. First operand 82159 states and 102843 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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) [2021-11-04 09:41:31,168 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 [] [2021-11-04 09:41:50,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:41:50,354 INFO L93 Difference]: Finished difference Result 82159 states and 102843 transitions. [2021-11-04 09:41:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 09:41:50,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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 213 [2021-11-04 09:41:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:41:50,501 INFO L225 Difference]: With dead ends: 82159 [2021-11-04 09:41:50,502 INFO L226 Difference]: Without dead ends: 81279 [2021-11-04 09:41:50,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:41:50,536 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 5898 mSDsluCounter, 6256 mSDsCounter, 0 mSdLazyCounter, 12414 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16684.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5898 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.70ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19403.28ms IncrementalHoareTripleChecker+Time [2021-11-04 09:41:50,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5898 Valid, 60 Invalid, 12439 Unknown, 0 Unchecked, 29.70ms Time], IncrementalHoareTripleChecker [24 Valid, 12414 Invalid, 1 Unknown, 0 Unchecked, 19403.28ms Time] [2021-11-04 09:41:50,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81279 states. [2021-11-04 09:41:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81279 to 81279. [2021-11-04 09:41:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81279 states, 80743 states have (on average 1.2511301289275851) internal successors, (101020), 80810 states have internal predecessors, (101020), 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) [2021-11-04 09:41:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81279 states to 81279 states and 101740 transitions. [2021-11-04 09:41:52,975 INFO L78 Accepts]: Start accepts. Automaton has 81279 states and 101740 transitions. Word has length 213 [2021-11-04 09:41:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:41:52,975 INFO L470 AbstractCegarLoop]: Abstraction has 81279 states and 101740 transitions. [2021-11-04 09:41:52,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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) [2021-11-04 09:41:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 81279 states and 101740 transitions. [2021-11-04 09:41:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-04 09:41:52,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:41:52,983 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 09:41:52,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-04 09:41:52,984 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-04 09:41:52,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:41:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1818271263, now seen corresponding path program 1 times [2021-11-04 09:41:52,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:41:52,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912303452] [2021-11-04 09:41:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:41:52,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:41:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:41:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 09:41:53,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:41:53,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912303452] [2021-11-04 09:41:53,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912303452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:41:53,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:41:53,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:41:53,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726181356] [2021-11-04 09:41:53,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:41:53,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:41:53,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:41:53,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:41:53,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:41:53,375 INFO L87 Difference]: Start difference. First operand 81279 states and 101740 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2021-11-04 09:41:55,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:42:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:42:25,451 INFO L93 Difference]: Finished difference Result 196382 states and 246263 transitions. [2021-11-04 09:42:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:42:25,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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 215 [2021-11-04 09:42:25,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:42:25,928 INFO L225 Difference]: With dead ends: 196382 [2021-11-04 09:42:25,929 INFO L226 Difference]: Without dead ends: 116291 [2021-11-04 09:42:26,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.68ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:42:26,121 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 4829 mSDsluCounter, 6077 mSDsCounter, 0 mSdLazyCounter, 17024 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24533.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4829 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 17040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.14ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 17024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28748.74ms IncrementalHoareTripleChecker+Time [2021-11-04 09:42:26,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4829 Valid, 88 Invalid, 17040 Unknown, 0 Unchecked, 30.14ms Time], IncrementalHoareTripleChecker [15 Valid, 17024 Invalid, 1 Unknown, 0 Unchecked, 28748.74ms Time] [2021-11-04 09:42:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116291 states. [2021-11-04 09:42:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116291 to 116145. [2021-11-04 09:42:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116145 states, 115393 states have (on average 1.2534122520430182) internal successors, (144635), 115460 states have internal predecessors, (144635), 456 states have call successors, (456), 228 states have call predecessors, (456), 228 states have return successors, (597), 456 states have call predecessors, (597), 456 states have call successors, (597) [2021-11-04 09:42:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116145 states to 116145 states and 145688 transitions. [2021-11-04 09:42:29,720 INFO L78 Accepts]: Start accepts. Automaton has 116145 states and 145688 transitions. Word has length 215 [2021-11-04 09:42:29,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:42:29,721 INFO L470 AbstractCegarLoop]: Abstraction has 116145 states and 145688 transitions. [2021-11-04 09:42:29,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2021-11-04 09:42:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 116145 states and 145688 transitions. [2021-11-04 09:42:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-04 09:42:29,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:42:29,736 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 09:42:29,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-04 09:42:29,737 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-04 09:42:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:42:29,738 INFO L85 PathProgramCache]: Analyzing trace with hash 111781224, now seen corresponding path program 1 times [2021-11-04 09:42:29,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:42:29,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093903886] [2021-11-04 09:42:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:42:29,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:42:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:42:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-04 09:42:30,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:42:30,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093903886] [2021-11-04 09:42:30,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093903886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:42:30,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 09:42:30,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 09:42:30,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133980089] [2021-11-04 09:42:30,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:42:30,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:42:30,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:42:30,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:42:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:42:30,524 INFO L87 Difference]: Start difference. First operand 116145 states and 145688 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2021-11-04 09:42:32,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 09:43:10,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 09:43:10,191 INFO L93 Difference]: Finished difference Result 269542 states and 338139 transitions. [2021-11-04 09:43:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 09:43:10,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 241 [2021-11-04 09:43:10,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 09:43:10,544 INFO L225 Difference]: With dead ends: 269542 [2021-11-04 09:43:10,544 INFO L226 Difference]: Without dead ends: 153736 [2021-11-04 09:43:10,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 09:43:10,735 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 5619 mSDsluCounter, 6117 mSDsCounter, 0 mSdLazyCounter, 17827 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29479.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 17828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17827 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34873.12ms IncrementalHoareTripleChecker+Time [2021-11-04 09:43:10,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5619 Valid, 90 Invalid, 17828 Unknown, 0 Unchecked, 37.28ms Time], IncrementalHoareTripleChecker [0 Valid, 17827 Invalid, 1 Unknown, 0 Unchecked, 34873.12ms Time] [2021-11-04 09:43:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153736 states. [2021-11-04 09:43:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153736 to 116145. [2021-11-04 09:43:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116145 states, 115393 states have (on average 1.2534035860060835) internal successors, (144634), 115460 states have internal predecessors, (144634), 456 states have call successors, (456), 228 states have call predecessors, (456), 228 states have return successors, (597), 456 states have call predecessors, (597), 456 states have call successors, (597) [2021-11-04 09:43:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116145 states to 116145 states and 145687 transitions. [2021-11-04 09:43:14,428 INFO L78 Accepts]: Start accepts. Automaton has 116145 states and 145687 transitions. Word has length 241 [2021-11-04 09:43:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 09:43:14,428 INFO L470 AbstractCegarLoop]: Abstraction has 116145 states and 145687 transitions. [2021-11-04 09:43:14,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2021-11-04 09:43:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 116145 states and 145687 transitions. [2021-11-04 09:43:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-04 09:43:14,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 09:43:14,439 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 09:43:14,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-04 09:43:14,439 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, cx88_set_freqErr0ASSERT_VIOLATIONERROR_FUNCTION (and 83 more)] === [2021-11-04 09:43:14,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 09:43:14,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1260026074, now seen corresponding path program 1 times [2021-11-04 09:43:14,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 09:43:14,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584697074] [2021-11-04 09:43:14,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:43:14,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 09:43:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:43:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-04 09:43:15,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 09:43:15,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584697074] [2021-11-04 09:43:15,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584697074] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 09:43:15,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658144754] [2021-11-04 09:43:15,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 09:43:15,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 09:43:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 09:43:15,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 09:43:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-04 09:43:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 09:43:16,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 8156 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-04 09:43:16,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 09:43:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-04 09:43:17,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-04 09:43:17,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658144754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 09:43:17,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-04 09:43:17,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-04 09:43:17,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847191287] [2021-11-04 09:43:17,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 09:43:17,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 09:43:17,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 09:43:17,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 09:43:17,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-04 09:43:17,356 INFO L87 Difference]: Start difference. First operand 116145 states and 145687 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2021-11-04 09:43:19,448 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 [] [2021-11-04 09:43:32,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []