./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 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.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-dev-ae00767 [2021-12-28 03:41:45,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:41:45,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:41:45,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:41:45,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:41:45,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:41:45,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:41:45,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:41:45,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:41:45,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:41:45,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:41:45,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:41:45,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:41:45,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:41:45,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:41:45,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:41:45,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:41:45,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:41:45,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:41:45,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:41:45,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:41:45,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:41:45,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:41:45,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:41:45,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:41:45,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:41:45,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:41:45,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:41:45,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:41:45,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:41:45,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:41:45,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:41:45,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:41:45,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:41:45,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:41:45,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:41:45,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:41:45,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:41:45,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:41:45,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:41:45,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:41:45,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:41:45,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:41:45,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:41:45,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:41:45,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:41:45,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:41:45,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:41:45,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:41:45,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:41:45,239 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:41:45,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:41:45,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:41:45,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:41:45,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:41:45,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:41:45,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:41:45,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:41:45,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:41:45,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:41:45,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:41:45,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:41:45,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c [2021-12-28 03:41:45,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:41:45,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:41:45,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:41:45,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:41:45,486 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:41:45,487 INFO L432 ainManager$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 [2021-12-28 03:41:45,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307aa40bc/f2c8c3ef8f7a4d2f8a1482e62d8f80f3/FLAGaf7b26d96 [2021-12-28 03:41:46,222 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:41:46,223 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 [2021-12-28 03:41:46,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307aa40bc/f2c8c3ef8f7a4d2f8a1482e62d8f80f3/FLAGaf7b26d96 [2021-12-28 03:41:46,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307aa40bc/f2c8c3ef8f7a4d2f8a1482e62d8f80f3 [2021-12-28 03:41:46,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:41:46,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:41:46,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:41:46,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:41:46,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:41:46,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:41:46" (1/1) ... [2021-12-28 03:41:46,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3693b2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:46, skipping insertion in model container [2021-12-28 03:41:46,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:41:46" (1/1) ... [2021-12-28 03:41:46,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:41:46,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:41:48,682 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] [2021-12-28 03:41:48,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:41:48,867 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:41:49,363 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] [2021-12-28 03:41:49,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:41:49,537 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:41:49,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49 WrapperNode [2021-12-28 03:41:49,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:41:49,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:41:49,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:41:49,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:41:49,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,761 INFO L137 Inliner]: procedures = 460, calls = 4701, calls flagged for inlining = 236, calls inlined = 15, statements flattened = 2224 [2021-12-28 03:41:49,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:41:49,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:41:49,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:41:49,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:41:49,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:41:49,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:41:49,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:41:49,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:41:49,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (1/1) ... [2021-12-28 03:41:49,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:41:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:41:49,948 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 03:41:49,990 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 03:41:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 03:41:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 03:41:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:41:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:41:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-28 03:41:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-28 03:41:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-28 03:41:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-28 03:41:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2021-12-28 03:41:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2021-12-28 03:41:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:41:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 03:41:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 03:41:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-28 03:41:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-28 03:41:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-28 03:41:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-28 03:41:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:41:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 03:41:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 03:41:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2021-12-28 03:41:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2021-12-28 03:41:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 03:41:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 03:41:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:41:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:41:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:41:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2021-12-28 03:41:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2021-12-28 03:41:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 03:41:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 03:41:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-12-28 03:41:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-12-28 03:41:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:41:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:41:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:41:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:41:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:41:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-12-28 03:41:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-12-28 03:41:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:41:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-28 03:41:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-28 03:41:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 03:41:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 03:41:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 03:41:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 03:41:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2021-12-28 03:41:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2021-12-28 03:41:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:41:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2021-12-28 03:41:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2021-12-28 03:41:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-28 03:41:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-28 03:41:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:41:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2021-12-28 03:41:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2021-12-28 03:41:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 03:41:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 03:41:50,382 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:41:50,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:43:00,596 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:43:00,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:43:00,601 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 03:43:00,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:43:00 BoogieIcfgContainer [2021-12-28 03:43:00,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:43:00,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:43:00,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:43:00,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:43:00,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:41:46" (1/3) ... [2021-12-28 03:43:00,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2bd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:43:00, skipping insertion in model container [2021-12-28 03:43:00,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:41:49" (2/3) ... [2021-12-28 03:43:00,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2bd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:43:00, skipping insertion in model container [2021-12-28 03:43:00,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:43:00" (3/3) ... [2021-12-28 03:43:00,608 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2021-12-28 03:43:00,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:43:00,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:43:00,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:43:00,653 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 03:43:00,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:43:00,669 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 03:43:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-28 03:43:00,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:43:00,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:43:00,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:43:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:43:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash 419961069, now seen corresponding path program 1 times [2021-12-28 03:43:00,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:43:00,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061333720] [2021-12-28 03:43:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:43:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:43:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:43:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:43:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:43:01,434 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 03:43:01,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:43:01,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061333720] [2021-12-28 03:43:01,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061333720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:43:01,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:43:01,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 03:43:01,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421551028] [2021-12-28 03:43:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:43:01,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 03:43:01,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:43:01,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 03:43:01,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 03:43:01,465 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 03:43:03,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []