./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 3a877d22 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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:52,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:52,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:52,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:52,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:52,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:52,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:52,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:52,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:52,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:52,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:52,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:52,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:52,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:52,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:52,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:52,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:52,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:52,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:52,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:52,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:52,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:52,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:52,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:52,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:52,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:52,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:52,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:52,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:52,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:52,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:52,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:52,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:52,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:52,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:52,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:52,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:52,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:52,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:52,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:52,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:52,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:56:52,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:52,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:52,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:52,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:52,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:52,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:52,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:52,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:52,832 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:52,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:52,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:52,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:52,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:52,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:52,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:52,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:52,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:52,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:52,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:52,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:52,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:56:52,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:56:52,838 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:52,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:52,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:52,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:52,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c [2021-12-15 12:56:53,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:53,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:53,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:53,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:53,083 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:53,084 INFO L432 ainManager$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 [2021-12-15 12:56:53,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac0461b7/84a534a521b24f53ab52c3c00115459d/FLAGd25476477 [2021-12-15 12:56:53,832 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:53,832 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 [2021-12-15 12:56:53,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac0461b7/84a534a521b24f53ab52c3c00115459d/FLAGd25476477 [2021-12-15 12:56:53,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac0461b7/84a534a521b24f53ab52c3c00115459d [2021-12-15 12:56:53,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:53,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:53,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:53,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:53,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:53,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:53,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189f0c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53, skipping insertion in model container [2021-12-15 12:56:53,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:53,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:54,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:56,773 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] [2021-12-15 12:56:56,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:56,980 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:57,373 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] [2021-12-15 12:56:57,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:57,541 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:57,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57 WrapperNode [2021-12-15 12:56:57,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:57,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:57,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:57,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:57,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,756 INFO L137 Inliner]: procedures = 460, calls = 4701, calls flagged for inlining = 236, calls inlined = 15, statements flattened = 2224 [2021-12-15 12:56:57,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:57,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:57,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:57,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:57,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:57,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:57,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:57,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:57,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (1/1) ... [2021-12-15 12:56:57,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:57,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:57,900 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) [2021-12-15 12:56:57,923 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 [2021-12-15 12:56:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:56:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:56:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 12:56:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 12:56:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:56:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:56:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-15 12:56:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-15 12:56:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:56:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-15 12:56:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-15 12:56:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:56:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:56:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 12:56:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 12:56:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:56:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:56:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:56:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-15 12:56:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-15 12:56:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 12:56:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 12:56:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-15 12:56:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-15 12:56:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:56:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:56:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-15 12:56:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-15 12:56:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-15 12:56:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-15 12:56:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:56:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:56:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:56:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:56:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-15 12:56:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-15 12:56:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:56:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-15 12:56:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-15 12:56:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 12:56:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 12:56:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:56:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-15 12:56:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-15 12:56:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:56:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:56:58,352 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:58,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:58:09,360 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:58:09,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:58:09,366 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:58:09,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:09 BoogieIcfgContainer [2021-12-15 12:58:09,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:58:09,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:58:09,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:58:09,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:58:09,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:56:53" (1/3) ... [2021-12-15 12:58:09,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259c585e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:09, skipping insertion in model container [2021-12-15 12:58:09,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:57" (2/3) ... [2021-12-15 12:58:09,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259c585e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:09, skipping insertion in model container [2021-12-15 12:58:09,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:09" (3/3) ... [2021-12-15 12:58:09,374 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2021-12-15 12:58:09,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:58:09,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:58:09,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:58:09,429 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 [2021-12-15 12:58:09,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:58:09,458 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) [2021-12-15 12:58:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:58:09,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:58:09,464 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:58:09,464 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:58:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:58:09,469 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-15 12:58:09,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:58:09,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524163713] [2021-12-15 12:58:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:58:09,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:58:09,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:58:09,657 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:58:09,666 INFO L158 Benchmark]: Toolchain (without parser) took 75705.38ms. Allocated memory was 86.0MB in the beginning and 809.5MB in the end (delta: 723.5MB). Free memory was 53.4MB in the beginning and 620.8MB in the end (delta: -567.3MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,666 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:58:09,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3583.00ms. Allocated memory was 86.0MB in the beginning and 209.7MB in the end (delta: 123.7MB). Free memory was 53.4MB in the beginning and 123.5MB in the end (delta: -70.1MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 213.22ms. Allocated memory is still 209.7MB. Free memory was 123.5MB in the beginning and 99.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,669 INFO L158 Benchmark]: Boogie Preprocessor took 107.20ms. Allocated memory is still 209.7MB. Free memory was 99.4MB in the beginning and 82.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,673 INFO L158 Benchmark]: RCFGBuilder took 71502.05ms. Allocated memory was 209.7MB in the beginning and 809.5MB in the end (delta: 599.8MB). Free memory was 81.6MB in the beginning and 644.9MB in the end (delta: -563.3MB). Peak memory consumption was 458.0MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,674 INFO L158 Benchmark]: TraceAbstraction took 295.44ms. Allocated memory is still 809.5MB. Free memory was 644.9MB in the beginning and 620.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:58:09,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3583.00ms. Allocated memory was 86.0MB in the beginning and 209.7MB in the end (delta: 123.7MB). Free memory was 53.4MB in the beginning and 123.5MB in the end (delta: -70.1MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 213.22ms. Allocated memory is still 209.7MB. Free memory was 123.5MB in the beginning and 99.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.20ms. Allocated memory is still 209.7MB. Free memory was 99.4MB in the beginning and 82.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 71502.05ms. Allocated memory was 209.7MB in the beginning and 809.5MB in the end (delta: 599.8MB). Free memory was 81.6MB in the beginning and 644.9MB in the end (delta: -563.3MB). Peak memory consumption was 458.0MB. Max. memory is 16.1GB. * TraceAbstraction took 295.44ms. Allocated memory is still 809.5MB. Free memory was 644.9MB in the beginning and 620.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:58:09,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...