./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 03:43:26,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:43:26,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:43:26,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:43:26,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:43:26,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:43:26,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:43:26,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:43:26,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:43:26,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:43:26,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:43:26,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:43:26,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:43:26,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:43:26,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:43:26,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:43:26,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:43:26,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:43:26,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:43:26,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:43:26,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:43:26,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:43:26,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:43:26,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:43:26,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:43:26,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:43:26,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:43:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:43:26,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:43:26,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:43:26,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:43:26,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:43:26,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:43:26,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:43:26,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:43:26,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:43:26,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:43:26,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:43:26,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:43:26,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:43:26,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:43:26,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:43:26,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:43:26,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:43:26,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:43:26,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:43:26,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:43:26,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:43:26,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:43:26,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:43:26,706 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:43:26,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:43:26,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:43:26,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:43:26,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:43:26,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:43:26,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:43:26,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:43:26,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:43:26,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:43:26,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:43:26,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:43:26,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:43:26,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:43:26,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:43:26,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:43:26,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:43:26,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:43:26,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c [2021-12-16 03:43:26,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:43:26,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:43:26,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:43:26,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:43:26,959 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:43:26,961 INFO L432 ainManager$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 [2021-12-16 03:43:27,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039778888/c1de814b7da447cd9ae25783cf64012e/FLAGe2d193eb9 [2021-12-16 03:43:27,661 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:43:27,662 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 [2021-12-16 03:43:27,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039778888/c1de814b7da447cd9ae25783cf64012e/FLAGe2d193eb9 [2021-12-16 03:43:27,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039778888/c1de814b7da447cd9ae25783cf64012e [2021-12-16 03:43:27,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:43:27,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:43:27,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:43:27,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:43:27,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:43:27,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:43:27" (1/1) ... [2021-12-16 03:43:27,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646fc48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:27, skipping insertion in model container [2021-12-16 03:43:27,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:43:27" (1/1) ... [2021-12-16 03:43:27,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:43:27,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:43:30,560 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] [2021-12-16 03:43:30,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:43:30,746 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:43:31,179 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] [2021-12-16 03:43:31,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:43:31,347 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:43:31,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31 WrapperNode [2021-12-16 03:43:31,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:43:31,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:43:31,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:43:31,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:43:31,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,590 INFO L137 Inliner]: procedures = 460, calls = 4701, calls flagged for inlining = 236, calls inlined = 15, statements flattened = 2224 [2021-12-16 03:43:31,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:43:31,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:43:31,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:43:31,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:43:31,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:43:31,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:43:31,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:43:31,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:43:31,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (1/1) ... [2021-12-16 03:43:31,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:43:31,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:43:31,807 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) [2021-12-16 03:43:31,826 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 [2021-12-16 03:43:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-16 03:43:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-16 03:43:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:43:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:43:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-16 03:43:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-16 03:43:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-16 03:43:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-16 03:43:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-16 03:43:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-16 03:43:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:43:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-16 03:43:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-16 03:43:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-16 03:43:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-16 03:43:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-16 03:43:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-16 03:43:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:43:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 03:43:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 03:43:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-16 03:43:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-16 03:43:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-16 03:43:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-16 03:43:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-16 03:43:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-16 03:43:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-16 03:43:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-16 03:43:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:43:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:43:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 03:43:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 03:43:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:43:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-16 03:43:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-16 03:43:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:43:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-16 03:43:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-16 03:43:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-16 03:43:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-16 03:43:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 03:43:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 03:43:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-16 03:43:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-16 03:43:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:43:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-16 03:43:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-16 03:43:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-16 03:43:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-16 03:43:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:43:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-16 03:43:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-16 03:43:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 03:43:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 03:43:32,192 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:43:32,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:44:42,852 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:44:42,858 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:44:42,858 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:44:42,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:42 BoogieIcfgContainer [2021-12-16 03:44:42,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:44:42,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:44:42,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:44:42,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:44:42,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:43:27" (1/3) ... [2021-12-16 03:44:42,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f3bf2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:42, skipping insertion in model container [2021-12-16 03:44:42,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:43:31" (2/3) ... [2021-12-16 03:44:42,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f3bf2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:42, skipping insertion in model container [2021-12-16 03:44:42,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:42" (3/3) ... [2021-12-16 03:44:42,868 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2021-12-16 03:44:42,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:44:42,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:44:42,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:44:42,910 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 [2021-12-16 03:44:42,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:44:42,925 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) [2021-12-16 03:44:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-16 03:44:42,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:44:42,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:44:42,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:44:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:44:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-16 03:44:42,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:44:42,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574234629] [2021-12-16 03:44:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:44:42,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:44:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:44:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:44:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:44:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:44:43,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:44:43,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574234629] [2021-12-16 03:44:43,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574234629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:44:43,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:44:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:44:43,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316920953] [2021-12-16 03:44:43,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:44:43,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:44:43,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:44:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:44:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:44:43,677 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)