./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.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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.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 cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:29:20,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:29:20,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:29:20,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:29:20,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:29:20,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:29:20,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:29:20,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:29:20,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:29:20,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:29:20,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:29:20,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:29:20,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:29:20,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:29:20,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:29:20,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:29:20,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:29:20,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:29:20,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:29:20,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:29:20,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:29:20,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:29:20,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:29:20,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:29:20,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:29:20,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:29:20,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:29:20,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:29:20,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:29:20,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:29:20,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:29:20,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:29:20,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:29:20,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:29:20,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:29:20,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:29:20,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:29:20,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:29:20,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:29:20,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:29:20,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:29:20,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:29:20,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:29:20,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:29:20,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:29:20,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:29:20,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:29:20,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:29:20,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:29:20,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:29:20,424 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:29:20,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:29:20,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:29:20,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:29:20,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:29:20,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:29:20,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:29:20,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:29:20,427 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:29:20,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:29:20,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:29:20,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:29:20,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c [2021-12-14 17:29:20,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:29:20,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:29:20,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:29:20,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:29:20,603 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:29:20,604 INFO L432 ainManager$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.i [2021-12-14 17:29:20,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd8db67a/acf46acd1bb144ddafa3c5ae2adad21f/FLAG3b10460f9 [2021-12-14 17:29:21,356 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:29:21,356 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.i [2021-12-14 17:29:21,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd8db67a/acf46acd1bb144ddafa3c5ae2adad21f/FLAG3b10460f9 [2021-12-14 17:29:21,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd8db67a/acf46acd1bb144ddafa3c5ae2adad21f [2021-12-14 17:29:21,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:29:21,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:29:21,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:29:21,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:29:21,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:29:21,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:29:21" (1/1) ... [2021-12-14 17:29:21,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d0520b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:21, skipping insertion in model container [2021-12-14 17:29:21,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:29:21" (1/1) ... [2021-12-14 17:29:21,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:29:21,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:29:23,606 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.i[340870,340883] [2021-12-14 17:29:23,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:29:23,741 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:29:24,121 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.i[340870,340883] [2021-12-14 17:29:24,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:29:24,268 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:29:24,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24 WrapperNode [2021-12-14 17:29:24,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:29:24,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:29:24,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:29:24,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:29:24,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,469 INFO L137 Inliner]: procedures = 460, calls = 4701, calls flagged for inlining = 236, calls inlined = 15, statements flattened = 2224 [2021-12-14 17:29:24,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:29:24,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:29:24,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:29:24,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:29:24,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:29:24,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:29:24,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:29:24,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:29:24,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (1/1) ... [2021-12-14 17:29:24,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:29:24,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:29:24,574 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) [2021-12-14 17:29:24,589 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 [2021-12-14 17:29:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-14 17:29:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-14 17:29:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:29:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:29:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-14 17:29:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-14 17:29:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-14 17:29:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-14 17:29:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-14 17:29:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-14 17:29:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:29:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-14 17:29:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-14 17:29:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-14 17:29:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-14 17:29:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-14 17:29:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-14 17:29:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:29:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:29:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:29:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-14 17:29:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-14 17:29:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:29:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-14 17:29:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-14 17:29:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 17:29:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 17:29:24,941 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:29:24,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:30:37,486 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:30:37,494 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:30:37,494 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:30:37,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:30:37 BoogieIcfgContainer [2021-12-14 17:30:37,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:30:37,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:30:37,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:30:37,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:30:37,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:29:21" (1/3) ... [2021-12-14 17:30:37,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc8394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:30:37, skipping insertion in model container [2021-12-14 17:30:37,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:24" (2/3) ... [2021-12-14 17:30:37,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc8394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:30:37, skipping insertion in model container [2021-12-14 17:30:37,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:30:37" (3/3) ... [2021-12-14 17:30:37,503 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2021-12-14 17:30:37,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:30:37,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:30:37,549 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:30:37,555 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 [2021-12-14 17:30:37,556 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:30:37,582 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) [2021-12-14 17:30:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-14 17:30:37,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:30:37,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:30:37,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:30:37,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:30:37,590 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-14 17:30:37,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:30:37,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647979495] [2021-12-14 17:30:37,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:30:37,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:30:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:30:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:30:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:30:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:30:38,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:30:38,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647979495] [2021-12-14 17:30:38,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647979495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:30:38,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:30:38,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:30:38,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035939772] [2021-12-14 17:30:38,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:30:38,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:30:38,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:30:38,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:30:38,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:30:38,394 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)