/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:00:32,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:00:32,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:00:32,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:00:32,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:00:32,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:00:32,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:00:32,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:00:32,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:00:32,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:00:32,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:00:32,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:00:32,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:00:32,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:00:32,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:00:32,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:00:32,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:00:32,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:00:32,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:00:32,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:00:32,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:00:32,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:00:32,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:00:32,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:00:32,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:00:32,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:00:32,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:00:32,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:00:32,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:00:32,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:00:32,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:00:32,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:00:32,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:00:32,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:00:32,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:00:32,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:00:32,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:00:32,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:00:32,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:00:32,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:00:32,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:00:32,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:00:32,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:00:32,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:00:32,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:00:32,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:00:32,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:00:32,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:00:32,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:00:32,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:00:32,887 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:00:32,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:00:32,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:00:32,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:00:32,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:00:32,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:00:32,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:00:32,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:00:32,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:00:32,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:00:32,890 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:00:32,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:00:32,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:00:32,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:00:32,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:00:32,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:00:32,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:00:32,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:00:32,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:32,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:00:32,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:00:32,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:00:32,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:00:32,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:00:32,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:00:32,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:00:33,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:00:33,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:00:33,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:00:33,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:00:33,368 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:00:33,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-15 21:00:33,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2c5b19d/f133cc346a0047989ac2abeec7f5dd02/FLAGa531740dd [2022-10-15 21:00:34,716 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:00:34,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-15 21:00:34,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2c5b19d/f133cc346a0047989ac2abeec7f5dd02/FLAGa531740dd [2022-10-15 21:00:34,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2c5b19d/f133cc346a0047989ac2abeec7f5dd02 [2022-10-15 21:00:34,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:00:34,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:00:34,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:34,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:00:34,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:00:34,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:34" (1/1) ... [2022-10-15 21:00:34,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780ec14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:34, skipping insertion in model container [2022-10-15 21:00:34,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:34" (1/1) ... [2022-10-15 21:00:34,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:00:35,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:00:37,170 WARN L230 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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-15 21:00:37,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:37,451 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:00:38,096 WARN L230 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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-15 21:00:38,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:38,196 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:00:38,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38 WrapperNode [2022-10-15 21:00:38,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:38,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:38,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:00:38,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:00:38,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,530 INFO L138 Inliner]: procedures = 167, calls = 2343, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 5036 [2022-10-15 21:00:38,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:38,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:00:38,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:00:38,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:00:38,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:00:38,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:00:38,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:00:38,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:00:38,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (1/1) ... [2022-10-15 21:00:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:38,952 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) [2022-10-15 21:00:38,977 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 [2022-10-15 21:00:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2022-10-15 21:00:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2022-10-15 21:00:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-15 21:00:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-15 21:00:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2022-10-15 21:00:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2022-10-15 21:00:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:00:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:00:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2022-10-15 21:00:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2022-10-15 21:00:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:00:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-15 21:00:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-15 21:00:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-15 21:00:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-15 21:00:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2022-10-15 21:00:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2022-10-15 21:00:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:00:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:00:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2022-10-15 21:00:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2022-10-15 21:00:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:00:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:00:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:00:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2022-10-15 21:00:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2022-10-15 21:00:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:00:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:00:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2022-10-15 21:00:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2022-10-15 21:00:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2022-10-15 21:00:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2022-10-15 21:00:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-10-15 21:00:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-10-15 21:00:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2022-10-15 21:00:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2022-10-15 21:00:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-15 21:00:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-15 21:00:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2022-10-15 21:00:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2022-10-15 21:00:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2022-10-15 21:00:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2022-10-15 21:00:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2022-10-15 21:00:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2022-10-15 21:00:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:00:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2022-10-15 21:00:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2022-10-15 21:00:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:00:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:00:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:00:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:00:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2022-10-15 21:00:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2022-10-15 21:00:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:00:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-15 21:00:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-15 21:00:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:00:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:00:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:00:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:00:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-10-15 21:00:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-10-15 21:00:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2022-10-15 21:00:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2022-10-15 21:00:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:00:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:00:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:00:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-15 21:00:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-15 21:00:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:00:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:00:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2022-10-15 21:00:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2022-10-15 21:00:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2022-10-15 21:00:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2022-10-15 21:00:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2022-10-15 21:00:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2022-10-15 21:00:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2022-10-15 21:00:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2022-10-15 21:00:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-15 21:00:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-15 21:00:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:00:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2022-10-15 21:00:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2022-10-15 21:00:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:00:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2022-10-15 21:00:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2022-10-15 21:00:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2022-10-15 21:00:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2022-10-15 21:00:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2022-10-15 21:00:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2022-10-15 21:00:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:00:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:00:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-15 21:00:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-15 21:00:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2022-10-15 21:00:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2022-10-15 21:00:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2022-10-15 21:00:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2022-10-15 21:00:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:00:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:00:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-15 21:00:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-15 21:00:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2022-10-15 21:00:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2022-10-15 21:00:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:00:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:00:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:00:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:00:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:00:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:00:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:00:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-15 21:00:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-15 21:00:40,245 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:00:40,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:00:49,594 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:00:49,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:00:49,618 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:00:49,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:49 BoogieIcfgContainer [2022-10-15 21:00:49,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:00:49,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:00:49,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:00:49,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:00:49,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:00:34" (1/3) ... [2022-10-15 21:00:49,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf642e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:49, skipping insertion in model container [2022-10-15 21:00:49,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:38" (2/3) ... [2022-10-15 21:00:49,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf642e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:49, skipping insertion in model container [2022-10-15 21:00:49,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:49" (3/3) ... [2022-10-15 21:00:49,636 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-15 21:00:49,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:00:49,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-15 21:00:49,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:00:49,779 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f95a402, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:00:49,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-15 21:00:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 1949 states, 1303 states have (on average 1.3844973138910208) internal successors, (1804), 1401 states have internal predecessors, (1804), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) [2022-10-15 21:00:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 21:00:49,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:49,831 INFO L195 NwaCegarLoop]: 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] [2022-10-15 21:00:49,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-15 21:00:49,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash 49226742, now seen corresponding path program 1 times [2022-10-15 21:00:49,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:49,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815848063] [2022-10-15 21:00:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:49,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:00:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:00:51,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815848063] [2022-10-15 21:00:51,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815848063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:51,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:51,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:00:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044831624] [2022-10-15 21:00:51,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:51,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:51,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:51,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:51,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:51,355 INFO L87 Difference]: Start difference. First operand has 1949 states, 1303 states have (on average 1.3844973138910208) internal successors, (1804), 1401 states have internal predecessors, (1804), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:00:53,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:00:56,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:00:58,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:00,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:06,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:06,315 INFO L93 Difference]: Finished difference Result 4060 states and 6482 transitions. [2022-10-15 21:01:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:01:06,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2022-10-15 21:01:06,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:06,398 INFO L225 Difference]: With dead ends: 4060 [2022-10-15 21:01:06,398 INFO L226 Difference]: Without dead ends: 2097 [2022-10-15 21:01:06,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:01:06,427 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 336 mSDsluCounter, 3658 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 648 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:06,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 6629 Invalid, 2356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [648 Valid, 1707 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2022-10-15 21:01:06,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-10-15 21:01:06,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2058. [2022-10-15 21:01:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 1369 states have (on average 1.3834915997078159) internal successors, (1894), 1457 states have internal predecessors, (1894), 635 states have call successors, (635), 50 states have call predecessors, (635), 50 states have return successors, (635), 634 states have call predecessors, (635), 635 states have call successors, (635) [2022-10-15 21:01:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3164 transitions. [2022-10-15 21:01:06,873 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 3164 transitions. Word has length 54 [2022-10-15 21:01:06,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:06,874 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 3164 transitions. [2022-10-15 21:01:06,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:01:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 3164 transitions. [2022-10-15 21:01:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:01:06,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:06,884 INFO L195 NwaCegarLoop]: 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] [2022-10-15 21:01:06,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:01:06,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-15 21:01:06,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1143536778, now seen corresponding path program 1 times [2022-10-15 21:01:06,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:06,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604229308] [2022-10-15 21:01:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:01:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:01:07,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604229308] [2022-10-15 21:01:07,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604229308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:07,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:07,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:01:07,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243089588] [2022-10-15 21:01:07,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:07,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:01:07,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:07,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:01:07,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:01:07,668 INFO L87 Difference]: Start difference. First operand 2058 states and 3164 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:01:09,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:10,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:12,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:13,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:15,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:16,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:20,752 INFO L93 Difference]: Finished difference Result 2142 states and 3510 transitions. [2022-10-15 21:01:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:01:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2022-10-15 21:01:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:20,775 INFO L225 Difference]: With dead ends: 2142 [2022-10-15 21:01:20,775 INFO L226 Difference]: Without dead ends: 2140 [2022-10-15 21:01:20,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:01:20,779 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 296 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 7211 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:20,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 7211 Invalid, 1752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-10-15 21:01:20,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-10-15 21:01:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2067. [2022-10-15 21:01:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1377 states have (on average 1.382716049382716) internal successors, (1904), 1465 states have internal predecessors, (1904), 636 states have call successors, (636), 50 states have call predecessors, (636), 50 states have return successors, (636), 635 states have call predecessors, (636), 636 states have call successors, (636) [2022-10-15 21:01:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 3176 transitions. [2022-10-15 21:01:20,983 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 3176 transitions. Word has length 63 [2022-10-15 21:01:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:20,984 INFO L495 AbstractCegarLoop]: Abstraction has 2067 states and 3176 transitions. [2022-10-15 21:01:20,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:01:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 3176 transitions. [2022-10-15 21:01:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:01:20,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:20,994 INFO L195 NwaCegarLoop]: 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] [2022-10-15 21:01:20,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:01:20,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-15 21:01:20,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:20,995 INFO L85 PathProgramCache]: Analyzing trace with hash -604993320, now seen corresponding path program 1 times [2022-10-15 21:01:20,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:20,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157322375] [2022-10-15 21:01:20,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:20,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:01:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:01:21,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:21,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157322375] [2022-10-15 21:01:21,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157322375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:21,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:21,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:01:21,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164092028] [2022-10-15 21:01:21,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:21,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:01:21,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:21,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:01:21,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:01:21,723 INFO L87 Difference]: Start difference. First operand 2067 states and 3176 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:01:24,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:25,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:26,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:28,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:01:30,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []