./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.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 b14346d979087f0e79c2d437f1d9ebd638d786abb53bf06dbe8be9b7dfec00b3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:23:18,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:23:18,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:23:18,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:23:18,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:23:18,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:23:18,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:23:18,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:23:18,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:23:18,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:23:18,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:23:18,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:23:18,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:23:18,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:23:18,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:23:18,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:23:18,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:23:18,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:23:18,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:23:18,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:23:18,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:23:18,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:23:18,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:23:18,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:23:18,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:23:18,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:23:18,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:23:18,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:23:18,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:23:18,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:23:18,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:23:18,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:23:18,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:23:18,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:23:18,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:23:18,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:23:18,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:23:18,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:23:18,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:23:18,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:23:18,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:23:18,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:23:18,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:23:18,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:23:18,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:23:18,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:23:18,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:23:18,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:23:18,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:23:18,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:23:18,897 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:23:18,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:23:18,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:23:18,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:23:18,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:23:18,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:23:18,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:23:18,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:23:18,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:23:18,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:23:18,900 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:23:18,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:23:18,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:23:18,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b14346d979087f0e79c2d437f1d9ebd638d786abb53bf06dbe8be9b7dfec00b3 [2021-12-22 14:23:19,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:23:19,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:23:19,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:23:19,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:23:19,108 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:23:19,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-22 14:23:19,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509ecdb9/7f100f7ef439480b8fd0b35fac01efac/FLAGdd64edd6d [2021-12-22 14:23:19,864 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:23:19,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-22 14:23:19,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509ecdb9/7f100f7ef439480b8fd0b35fac01efac/FLAGdd64edd6d [2021-12-22 14:23:20,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509ecdb9/7f100f7ef439480b8fd0b35fac01efac [2021-12-22 14:23:20,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:23:20,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:23:20,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:23:20,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:23:20,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:23:20,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:23:20" (1/1) ... [2021-12-22 14:23:20,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f03c181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:20, skipping insertion in model container [2021-12-22 14:23:20,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:23:20" (1/1) ... [2021-12-22 14:23:20,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:23:20,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:23:21,827 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/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-12-22 14:23:21,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:23:21,970 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:23:22,340 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/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-12-22 14:23:22,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:23:22,486 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:23:22,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22 WrapperNode [2021-12-22 14:23:22,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:23:22,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:23:22,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:23:22,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:23:22,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,722 INFO L137 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 15, statements flattened = 2224 [2021-12-22 14:23:22,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:23:22,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:23:22,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:23:22,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:23:22,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:23:22,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:23:22,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:23:22,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:23:22,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (1/1) ... [2021-12-22 14:23:22,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:23:22,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:23:22,881 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) [2021-12-22 14:23:22,887 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 [2021-12-22 14:23:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-22 14:23:22,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-22 14:23:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:23:22,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:23:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-22 14:23:22,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-22 14:23:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-22 14:23:22,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-22 14:23:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-22 14:23:22,922 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-22 14:23:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:23:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-22 14:23:22,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-22 14:23:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-22 14:23:22,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-22 14:23:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-22 14:23:22,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-22 14:23:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:23:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:23:22,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:23:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-22 14:23:22,923 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-22 14:23:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 14:23:22,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 14:23:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:23:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:23:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:23:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-22 14:23:22,924 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-22 14:23:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 14:23:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 14:23:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-22 14:23:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-22 14:23:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:23:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:23:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:23:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:23:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:23:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-22 14:23:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-22 14:23:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:23:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-22 14:23:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-22 14:23:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 14:23:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 14:23:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:23:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:23:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-22 14:23:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-22 14:23:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:23:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-22 14:23:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-22 14:23:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-22 14:23:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-22 14:23:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:23:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-22 14:23:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-22 14:23:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 14:23:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 14:23:23,280 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:23:23,282 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:24:32,620 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:24:32,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:24:32,625 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:24:32,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:24:32 BoogieIcfgContainer [2021-12-22 14:24:32,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:24:32,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:24:32,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:24:32,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:24:32,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:23:20" (1/3) ... [2021-12-22 14:24:32,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f686117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:24:32, skipping insertion in model container [2021-12-22 14:24:32,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:23:22" (2/3) ... [2021-12-22 14:24:32,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f686117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:24:32, skipping insertion in model container [2021-12-22 14:24:32,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:24:32" (3/3) ... [2021-12-22 14:24:32,632 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-22 14:24:32,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:24:32,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:24:32,675 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:24:32,680 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 [2021-12-22 14:24:32,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:24:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 147 states have (on average 1.2993197278911566) internal successors, (191), 154 states have internal predecessors, (191), 39 states have call successors, (39), 24 states have call predecessors, (39), 24 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-12-22 14:24:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 14:24:32,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:24:32,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:24:32,709 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:24:32,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:24:32,713 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-22 14:24:32,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:24:32,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052765516] [2021-12-22 14:24:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:24:32,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:24:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:24:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:24:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:24:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:24:33,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:24:33,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052765516] [2021-12-22 14:24:33,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052765516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:24:33,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:24:33,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:24:33,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340252126] [2021-12-22 14:24:33,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:24:33,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:24:33,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:24:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:24:33,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:24:33,514 INFO L87 Difference]: Start difference. First operand has 212 states, 147 states have (on average 1.2993197278911566) internal successors, (191), 154 states have internal predecessors, (191), 39 states have call successors, (39), 24 states have call predecessors, (39), 24 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:24:35,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []