./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.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 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:23:11,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:23:11,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:23:11,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:23:11,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:23:11,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:23:11,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:23:11,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:23:11,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:23:11,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:23:11,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:23:11,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:23:11,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:23:11,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:23:11,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:23:11,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:23:11,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:23:11,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:23:11,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:23:11,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:23:11,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:23:11,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:23:11,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:23:11,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:23:11,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:23:11,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:23:11,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:23:11,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:23:11,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:23:11,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:23:11,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:23:11,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:23:11,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:23:11,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:23:11,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:23:11,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:23:11,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:23:11,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:23:11,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:23:11,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:23:11,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:23:11,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:23:11,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:23:11,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:23:11,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:23:11,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:23:11,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:23:11,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:23:11,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:23:11,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:23:11,721 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:23:11,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:23:11,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:23:11,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:23:11,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:23:11,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:23:11,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:23:11,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:23:11,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:23:11,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:23:11,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:23:11,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:23:11,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:23:11,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:23:11,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:23:11,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:23:11,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:23:11,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:23:11,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:23:11,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:23:11,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:23:11,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:23:11,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:23:11,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 [2021-12-21 17:23:11,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:23:11,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:23:11,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:23:11,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:23:11,952 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:23:11,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-21 17:23:12,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94931d9bd/ae5b929b5c574920a9e8a18cca442f02/FLAG457a06e16 [2021-12-21 17:23:12,698 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:23:12,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-21 17:23:12,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94931d9bd/ae5b929b5c574920a9e8a18cca442f02/FLAG457a06e16 [2021-12-21 17:23:13,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94931d9bd/ae5b929b5c574920a9e8a18cca442f02 [2021-12-21 17:23:13,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:23:13,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:23:13,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:23:13,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:23:13,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:23:13,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:23:13" (1/1) ... [2021-12-21 17:23:13,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197b5c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:13, skipping insertion in model container [2021-12-21 17:23:13,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:23:13" (1/1) ... [2021-12-21 17:23:13,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:23:13,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:23:15,808 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2021-12-21 17:23:15,810 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2021-12-21 17:23:15,811 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2021-12-21 17:23:15,811 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2021-12-21 17:23:15,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:23:15,910 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:23:16,392 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2021-12-21 17:23:16,392 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2021-12-21 17:23:16,393 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2021-12-21 17:23:16,393 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2021-12-21 17:23:16,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:23:16,502 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:23:16,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16 WrapperNode [2021-12-21 17:23:16,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:23:16,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:23:16,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:23:16,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:23:16,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:16,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:16,950 INFO L137 Inliner]: procedures = 447, calls = 6502, calls flagged for inlining = 237, calls inlined = 218, statements flattened = 11805 [2021-12-21 17:23:16,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:23:16,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:23:16,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:23:16,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:23:16,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:16,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:23:17,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:23:17,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:23:17,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:23:17,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (1/1) ... [2021-12-21 17:23:17,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:23:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:23:17,606 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) [2021-12-21 17:23:17,621 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 [2021-12-21 17:23:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-12-21 17:23:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-12-21 17:23:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-12-21 17:23:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-12-21 17:23:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-12-21 17:23:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-12-21 17:23:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:23:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:23:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-12-21 17:23:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-12-21 17:23:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:23:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:23:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-12-21 17:23:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-12-21 17:23:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-12-21 17:23:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-12-21 17:23:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2021-12-21 17:23:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2021-12-21 17:23:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:23:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:23:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2021-12-21 17:23:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2021-12-21 17:23:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2021-12-21 17:23:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2021-12-21 17:23:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-21 17:23:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-21 17:23:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-12-21 17:23:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-12-21 17:23:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-12-21 17:23:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-12-21 17:23:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:23:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:23:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-21 17:23:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-21 17:23:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2021-12-21 17:23:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2021-12-21 17:23:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2021-12-21 17:23:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2021-12-21 17:23:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2021-12-21 17:23:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2021-12-21 17:23:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-12-21 17:23:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-12-21 17:23:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2021-12-21 17:23:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2021-12-21 17:23:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:23:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:23:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-21 17:23:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-21 17:23:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:23:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:23:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2021-12-21 17:23:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2021-12-21 17:23:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-21 17:23:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-21 17:23:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-21 17:23:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-21 17:23:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:23:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:23:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-12-21 17:23:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-12-21 17:23:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-21 17:23:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-21 17:23:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 17:23:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 17:23:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-21 17:23:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-21 17:23:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:23:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2021-12-21 17:23:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2021-12-21 17:23:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-12-21 17:23:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-12-21 17:23:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2021-12-21 17:23:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2021-12-21 17:23:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-21 17:23:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-21 17:23:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:23:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:23:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2021-12-21 17:23:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2021-12-21 17:23:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-21 17:23:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-21 17:23:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-12-21 17:23:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-12-21 17:23:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 17:23:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 17:23:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:23:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:23:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2021-12-21 17:23:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2021-12-21 17:23:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-12-21 17:23:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-12-21 17:23:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:23:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-12-21 17:23:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-12-21 17:23:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:23:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:23:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:23:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2021-12-21 17:23:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2021-12-21 17:23:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:23:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:23:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2021-12-21 17:23:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2021-12-21 17:23:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2021-12-21 17:23:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2021-12-21 17:23:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2021-12-21 17:23:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2021-12-21 17:23:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-12-21 17:23:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-12-21 17:23:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:23:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:23:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2021-12-21 17:23:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2021-12-21 17:23:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2021-12-21 17:23:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2021-12-21 17:23:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-21 17:23:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-21 17:23:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2021-12-21 17:23:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2021-12-21 17:23:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2021-12-21 17:23:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2021-12-21 17:23:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:23:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:23:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:23:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-21 17:23:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-21 17:23:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:23:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:23:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-21 17:23:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-21 17:23:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:23:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:23:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-12-21 17:23:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-12-21 17:23:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2021-12-21 17:23:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2021-12-21 17:23:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:23:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2021-12-21 17:23:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2021-12-21 17:23:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:23:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:23:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:23:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:23:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:23:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:23:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-12-21 17:23:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-12-21 17:23:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2021-12-21 17:23:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2021-12-21 17:23:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-12-21 17:23:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-12-21 17:23:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:23:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:23:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-12-21 17:23:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-12-21 17:23:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-12-21 17:23:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-12-21 17:23:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2021-12-21 17:23:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2021-12-21 17:23:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2021-12-21 17:23:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2021-12-21 17:23:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2021-12-21 17:23:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2021-12-21 17:23:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 17:23:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 17:23:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:23:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:23:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-21 17:23:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-21 17:23:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2021-12-21 17:23:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2021-12-21 17:23:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:23:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:23:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2021-12-21 17:23:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2021-12-21 17:23:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-12-21 17:23:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-12-21 17:23:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:23:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:23:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2021-12-21 17:23:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2021-12-21 17:23:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 17:23:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 17:23:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2021-12-21 17:23:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2021-12-21 17:23:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2021-12-21 17:23:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2021-12-21 17:23:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2021-12-21 17:23:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2021-12-21 17:23:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2021-12-21 17:23:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2021-12-21 17:23:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2021-12-21 17:23:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2021-12-21 17:23:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:23:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:23:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2021-12-21 17:23:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2021-12-21 17:23:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 17:23:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 17:23:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 17:23:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 17:23:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:23:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:23:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:23:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:23:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-12-21 17:23:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-12-21 17:23:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 17:23:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 17:23:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:23:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-21 17:23:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-21 17:23:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 17:23:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 17:23:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 17:23:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 17:23:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:23:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:23:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:23:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:23:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-12-21 17:23:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-12-21 17:23:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 17:23:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 17:23:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-12-21 17:23:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-12-21 17:23:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-21 17:23:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-21 17:23:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2021-12-21 17:23:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2021-12-21 17:23:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2021-12-21 17:23:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2021-12-21 17:23:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-12-21 17:23:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-12-21 17:23:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:23:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:23:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-21 17:23:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-21 17:23:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2021-12-21 17:23:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2021-12-21 17:23:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:23:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:23:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:23:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2021-12-21 17:23:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2021-12-21 17:23:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2021-12-21 17:23:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2021-12-21 17:23:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2021-12-21 17:23:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2021-12-21 17:23:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2021-12-21 17:23:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2021-12-21 17:23:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2021-12-21 17:23:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2021-12-21 17:23:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_video_device [2021-12-21 17:23:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_video_device [2021-12-21 17:23:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 17:23:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 17:23:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-12-21 17:23:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-12-21 17:23:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:23:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:23:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-21 17:23:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-21 17:23:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2021-12-21 17:23:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2021-12-21 17:23:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2021-12-21 17:23:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2021-12-21 17:23:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:23:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:23:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:23:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:23:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2021-12-21 17:23:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2021-12-21 17:23:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:23:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:23:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:23:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:23:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:23:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:23:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:23:18,855 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:23:18,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:23:19,098 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:24:18,766 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:24:18,832 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:24:18,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:24:18,855 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 17:24:18,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:24:18 BoogieIcfgContainer [2021-12-21 17:24:18,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:24:18,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:24:18,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:24:18,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:24:18,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:23:13" (1/3) ... [2021-12-21 17:24:18,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6564dc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:24:18, skipping insertion in model container [2021-12-21 17:24:18,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:23:16" (2/3) ... [2021-12-21 17:24:18,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6564dc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:24:18, skipping insertion in model container [2021-12-21 17:24:18,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:24:18" (3/3) ... [2021-12-21 17:24:18,870 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-21 17:24:18,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:24:18,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:24:18,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:24:18,941 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 [2021-12-21 17:24:18,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:24:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 3280 states, 2373 states have (on average 1.3463969658659924) internal successors, (3195), 2390 states have internal predecessors, (3195), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) [2021-12-21 17:24:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-21 17:24:19,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:24:19,022 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:24:19,023 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 17:24:19,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:24:19,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1580515086, now seen corresponding path program 1 times [2021-12-21 17:24:19,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:24:19,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256406100] [2021-12-21 17:24:19,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:24:19,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:24:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:24:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:24:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:24:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:24:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:24:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:24:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:24:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:24:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:24:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:24:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:24:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:24:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:24:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:24:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:24:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:24:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:24:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:24:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:24:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:24:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:24:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:24:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:24:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:24:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:24:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:24:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:24:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:24:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:24:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:24:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:24:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:24:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:24:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:24:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:24:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:24:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-21 17:24:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-21 17:24:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-21 17:24:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-21 17:24:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-21 17:24:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-21 17:24:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-21 17:24:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:24:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-21 17:24:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-21 17:24:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:24:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-21 17:24:20,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:24:20,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256406100] [2021-12-21 17:24:20,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256406100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:24:20,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:24:20,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:24:20,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793171150] [2021-12-21 17:24:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:24:20,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:24:20,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:24:20,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:24:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:24:20,919 INFO L87 Difference]: Start difference. First operand has 3280 states, 2373 states have (on average 1.3463969658659924) internal successors, (3195), 2390 states have internal predecessors, (3195), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46)