./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b14346d979087f0e79c2d437f1d9ebd638d786abb53bf06dbe8be9b7dfec00b3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 03:41:35,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:41:35,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:41:35,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:41:35,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:41:35,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:41:35,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:41:35,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:41:35,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:41:35,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:41:35,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:41:35,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:41:35,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:41:35,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:41:35,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:41:35,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:41:35,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:41:35,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:41:35,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:41:35,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:41:35,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:41:35,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:41:35,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:41:35,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:41:35,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:41:35,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:41:35,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:41:35,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:41:35,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:41:35,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:41:35,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:41:35,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:41:35,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:41:35,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:41:35,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:41:35,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:41:35,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:41:35,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:41:35,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:41:35,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:41:35,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:41:35,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:41:36,018 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:41:36,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:41:36,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:41:36,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:41:36,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:41:36,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:41:36,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:41:36,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:41:36,022 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:41:36,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:41:36,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:41:36,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:41:36,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:41:36,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:41:36,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:41:36,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:41:36,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:41:36,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:41:36,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:41:36,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:41:36,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:41:36,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:41:36,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:41:36,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:41:36,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:41:36,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b14346d979087f0e79c2d437f1d9ebd638d786abb53bf06dbe8be9b7dfec00b3 [2021-12-28 03:41:36,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:41:36,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:41:36,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:41:36,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:41:36,319 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:41:36,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-28 03:41:36,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfdca368d/5bd99986c3b5428791ce04018d8bbd63/FLAG040013c0a [2021-12-28 03:41:37,093 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:41:37,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-28 03:41:37,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfdca368d/5bd99986c3b5428791ce04018d8bbd63/FLAG040013c0a [2021-12-28 03:41:37,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfdca368d/5bd99986c3b5428791ce04018d8bbd63 [2021-12-28 03:41:37,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:41:37,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:41:37,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:41:37,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:41:37,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:41:37,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:41:37" (1/1) ... [2021-12-28 03:41:37,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abd6537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:37, skipping insertion in model container [2021-12-28 03:41:37,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:41:37" (1/1) ... [2021-12-28 03:41:37,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:41:37,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:41:39,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-12-28 03:41:39,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:41:39,427 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:41:40,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-12-28 03:41:40,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:41:40,193 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:41:40,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40 WrapperNode [2021-12-28 03:41:40,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:41:40,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:41:40,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:41:40,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:41:40,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,528 INFO L137 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 15, statements flattened = 2224 [2021-12-28 03:41:40,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:41:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:41:40,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:41:40,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:41:40,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:41:40,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:41:40,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:41:40,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:41:40,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (1/1) ... [2021-12-28 03:41:40,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:41:40,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:41:40,700 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) [2021-12-28 03:41:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 03:41:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 03:41:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:41:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:41:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-28 03:41:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-28 03:41:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-28 03:41:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-28 03:41:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-28 03:41:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-28 03:41:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:41:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 03:41:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 03:41:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-28 03:41:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-28 03:41:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-28 03:41:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-28 03:41:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:41:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 03:41:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-28 03:41:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 03:41:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:41:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-28 03:41:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-28 03:41:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 03:41:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 03:41:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-28 03:41:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-28 03:41:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:41:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:41:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:41:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:41:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:41:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-28 03:41:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-28 03:41:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:41:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-28 03:41:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-28 03:41:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 03:41:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 03:41:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 03:41:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 03:41:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-28 03:41:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-28 03:41:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:41:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-28 03:41:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-28 03:41:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-28 03:41:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-28 03:41:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:41:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-28 03:41:40,739 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-28 03:41:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 03:41:40,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 03:41:40,719 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 [2021-12-28 03:41:41,168 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:41:41,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:42:51,085 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:42:51,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:42:51,091 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 03:42:51,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:42:51 BoogieIcfgContainer [2021-12-28 03:42:51,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:42:51,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:42:51,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:42:51,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:42:51,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:41:37" (1/3) ... [2021-12-28 03:42:51,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260817ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:42:51, skipping insertion in model container [2021-12-28 03:42:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:40" (2/3) ... [2021-12-28 03:42:51,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260817ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:42:51, skipping insertion in model container [2021-12-28 03:42:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:42:51" (3/3) ... [2021-12-28 03:42:51,098 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-12-28 03:42:51,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:42:51,102 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:42:51,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:42:51,156 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 [2021-12-28 03:42:51,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:42:51,172 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) [2021-12-28 03:42:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-28 03:42:51,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:42:51,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:42:51,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:42:51,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:42:51,180 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-28 03:42:51,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:42:51,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132178202] [2021-12-28 03:42:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:42:51,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:42:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:42:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:42:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:42:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:42:52,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:42:52,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132178202] [2021-12-28 03:42:52,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132178202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:42:52,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:42:52,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 03:42:52,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457473315] [2021-12-28 03:42:52,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:42:52,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 03:42:52,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:42:52,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 03:42:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 03:42:52,079 INFO L87 Difference]: Start difference. First operand has 212 states, 147 states have (on average 1.2993197278911566) internal successors, (191), 154 states have internal predecessors, (191), 39 states have call successors, (39), 24 states have call predecessors, (39), 24 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-28 03:42:54,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []