./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-radio-radio-si476x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:21:30,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:21:30,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:21:30,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:21:30,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:21:30,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:21:30,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:21:30,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:21:30,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:21:30,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:21:30,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:21:30,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:21:30,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:21:30,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:21:30,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:21:30,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:21:30,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:21:30,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:21:30,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:21:30,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:21:30,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:21:30,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:21:30,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:21:30,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:21:30,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:21:30,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:21:30,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:21:30,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:21:30,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:21:30,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:21:30,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:21:30,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:21:30,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:21:30,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:21:30,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:21:30,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:21:30,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:21:30,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:21:30,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:21:30,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:21:30,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:21:30,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:21:30,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:21:30,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:21:30,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:21:30,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:21:30,632 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:21:30,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:21:30,633 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:21:30,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:21:30,639 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:21:30,640 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:21:30,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:21:30,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:21:30,642 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:21:30,642 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:21:30,642 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:21:30,642 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:21:30,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:21:30,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:21:30,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:21:30,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:21:30,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:21:30,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:21:30,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:21:30,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:21:30,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:21:30,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:21:30,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:21:30,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:21:30,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:21:30,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:21:30,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:21:30,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:21:30,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:21:30,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:21:30,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:21:30,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:21:30,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:21:30,660 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-12 23:21:30,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:21:30,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:21:31,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:21:31,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:21:31,004 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:21:31,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-12 23:21:31,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/455812bde/710972e46a5342c6906e364b21630c36/FLAG4c4e9a8e9 [2021-11-12 23:21:31,998 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:21:31,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-12 23:21:32,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/455812bde/710972e46a5342c6906e364b21630c36/FLAG4c4e9a8e9 [2021-11-12 23:21:32,418 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/455812bde/710972e46a5342c6906e364b21630c36 [2021-11-12 23:21:32,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:21:32,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:21:32,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:32,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:21:32,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:21:32,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:32" (1/1) ... [2021-11-12 23:21:32,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e09670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:32, skipping insertion in model container [2021-11-12 23:21:32,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:32" (1/1) ... [2021-11-12 23:21:32,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:21:32,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:21:33,797 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:21:34,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:21:35,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-12 23:21:35,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-12 23:21:35,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-12 23:21:35,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-12 23:21:35,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:35,580 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:21:35,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@83c1789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:35, skipping insertion in model container [2021-11-12 23:21:35,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:35,581 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:21:35,584 INFO L158 Benchmark]: Toolchain (without parser) took 3155.84ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 68.0MB in the beginning and 55.5MB in the end (delta: 12.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2021-11-12 23:21:35,585 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:21:35,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3151.28ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 55.5MB in the end (delta: 12.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2021-11-12 23:21:35,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3151.28ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 55.5MB in the end (delta: 12.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5122]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:21:37,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:21:37,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:21:37,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:21:37,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:21:37,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:21:37,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:21:37,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:21:37,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:21:37,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:21:37,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:21:37,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:21:37,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:21:37,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:21:37,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:21:37,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:21:37,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:21:37,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:21:37,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:21:37,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:21:37,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:21:37,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:21:37,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:21:37,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:21:37,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:21:37,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:21:37,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:21:37,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:21:37,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:21:37,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:21:37,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:21:37,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:21:37,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:21:37,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:21:37,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:21:37,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:21:37,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:21:37,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:21:37,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:21:37,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:21:37,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:21:37,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:21:38,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:21:38,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:21:38,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:21:38,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:21:38,025 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:21:38,025 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:21:38,026 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:21:38,026 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:21:38,026 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:21:38,026 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:21:38,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:21:38,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:21:38,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:21:38,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:21:38,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:21:38,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:21:38,029 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:21:38,029 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:21:38,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:21:38,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:21:38,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:21:38,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:21:38,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:21:38,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:21:38,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:21:38,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:21:38,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:21:38,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:21:38,033 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:21:38,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:21:38,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:21:38,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:21:38,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:21:38,034 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-12 23:21:38,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:21:38,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:21:38,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:21:38,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:21:38,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:21:38,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-12 23:21:38,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/f81e686f0/f3bd6fc3f6754ae6bf4d871be0594ee1/FLAG13393106d [2021-11-12 23:21:39,502 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:21:39,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-12 23:21:39,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/f81e686f0/f3bd6fc3f6754ae6bf4d871be0594ee1/FLAG13393106d [2021-11-12 23:21:39,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/data/f81e686f0/f3bd6fc3f6754ae6bf4d871be0594ee1 [2021-11-12 23:21:39,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:21:39,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:21:39,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:39,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:21:39,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:21:39,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:39" (1/1) ... [2021-11-12 23:21:39,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bab19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:39, skipping insertion in model container [2021-11-12 23:21:39,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:39" (1/1) ... [2021-11-12 23:21:39,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:21:40,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:21:42,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-12 23:21:42,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-12 23:21:42,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-12 23:21:42,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-12 23:21:42,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:43,031 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:21:43,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:21:43,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-12 23:21:43,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-12 23:21:43,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-12 23:21:43,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-12 23:21:43,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:43,528 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:21:43,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-12 23:21:43,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-12 23:21:43,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-12 23:21:43,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-12 23:21:44,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:44,240 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:21:44,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44 WrapperNode [2021-11-12 23:21:44,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:44,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:21:44,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:21:44,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:21:44,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:44,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:44,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:21:44,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:21:44,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:21:44,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:21:44,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:44,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:44,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:44,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:45,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:45,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:45,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:45,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:21:45,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:21:45,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:21:45,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:21:45,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (1/1) ... [2021-11-12 23:21:45,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:21:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:21:45,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:21:45,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:21:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_diversity [2021-11-12 23:21:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_diversity [2021-11-12 23:21:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:21:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:21:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2021-11-12 23:21:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:21:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:21:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_ctrl [2021-11-12 23:21:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_ctrl [2021-11-12 23:21:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_probe [2021-11-12 23:21:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_probe [2021-11-12 23:21:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2021-11-12 23:21:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2021-11-12 23:21:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:21:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:21:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-12 23:21:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-12 23:21:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:21:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:21:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_lock [2021-11-12 23:21:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_lock [2021-11-12 23:21:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:21:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:21:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 23:21:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 23:21:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_acf_blob [2021-11-12 23:21:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_acf_blob [2021-11-12 23:21:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:21:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:21:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:21:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:21:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:21:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2021-11-12 23:21:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-12 23:21:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-12 23:21:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:21:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:21:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_remove [2021-11-12 23:21:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_remove [2021-11-12 23:21:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:21:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:21:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:21:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:21:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-12 23:21:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-12 23:21:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_am [2021-11-12 23:21:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_am [2021-11-12 23:21:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_read [2021-11-12 23:21:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_read [2021-11-12 23:21:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-12 23:21:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-12 23:21:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_tuner [2021-11-12 23:21:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_tuner [2021-11-12 23:21:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:21:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:21:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_change_func [2021-11-12 23:21:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_change_func [2021-11-12 23:21:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_frequency [2021-11-12 23:21:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_frequency [2021-11-12 23:21:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:21:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:21:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:21:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:21:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:21:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:21:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:21:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-12 23:21:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-12 23:21:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-12 23:21:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-12 23:21:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-12 23:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-12 23:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_to_v4l2 [2021-11-12 23:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_to_v4l2 [2021-11-12 23:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_querycap [2021-11-12 23:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_querycap [2021-11-12 23:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:21:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:21:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:21:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:21:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:21:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:21:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:21:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:21:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_register [2021-11-12 23:21:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_register [2021-11-12 23:21:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2021-11-12 23:21:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2021-11-12 23:21:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2021-11-12 23:21:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2021-11-12 23:21:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2021-11-12 23:21:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2021-11-12 23:21:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-12 23:21:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-12 23:21:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_open [2021-11-12 23:21:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_open [2021-11-12 23:21:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:21:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:21:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:21:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_add_new_custom [2021-11-12 23:21:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_add_new_custom [2021-11-12 23:21:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:21:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:21:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:21:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:21:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:21:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:21:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:21:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:21:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:21:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:21:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2021-11-12 23:21:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_read [2021-11-12 23:21:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_read [2021-11-12 23:21:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_in_am_receiver_mode [2021-11-12 23:21:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_in_am_receiver_mode [2021-11-12 23:21:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_to_radio [2021-11-12 23:21:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_to_radio [2021-11-12 23:21:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:21:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:21:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rds_blckcnt_blob [2021-11-12 23:21:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rds_blckcnt_blob [2021-11-12 23:21:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_update_bits [2021-11-12 23:21:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_update_bits [2021-11-12 23:21:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_enum_freq_bands [2021-11-12 23:21:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_enum_freq_bands [2021-11-12 23:21:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-12 23:21:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-12 23:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-12 23:21:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-12 23:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2021-11-12 23:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_register [2021-11-12 23:21:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_register [2021-11-12 23:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_diversity [2021-11-12 23:21:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_cmd_fm_phase_diversity [2021-11-12 23:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:21:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:21:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_to_si476x [2021-11-12 23:21:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_to_si476x [2021-11-12 23:21:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_do_post_powerup_init [2021-11-12 23:21:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_do_post_powerup_init [2021-11-12 23:21:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_write [2021-11-12 23:21:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_write [2021-11-12 23:21:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2021-11-12 23:21:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-12 23:21:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-12 23:21:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:21:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:21:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-11-12 23:21:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-11-12 23:21:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_blob [2021-11-12 23:21:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_blob [2021-11-12 23:21:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_range_is_inside_of_the_band [2021-11-12 23:21:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_range_is_inside_of_the_band [2021-11-12 23:21:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:21:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:21:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:21:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:21:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_set_power_state [2021-11-12 23:21:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_set_power_state [2021-11-12 23:21:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_cache_only [2021-11-12 23:21:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_cache_only [2021-11-12 23:21:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:21:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:21:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-12 23:21:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-12 23:21:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:21:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:21:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_release [2021-11-12 23:21:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_release [2021-11-12 23:21:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_hw_freq_seek [2021-11-12 23:21:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_hw_freq_seek [2021-11-12 23:21:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_primary_blob [2021-11-12 23:21:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_primary_blob [2021-11-12 23:21:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:21:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:21:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:21:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:21:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_agc_blob [2021-11-12 23:21:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_agc_blob [2021-11-12 23:21:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:21:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:21:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:21:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:21:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2021-11-12 23:21:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2021-11-12 23:21:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2021-11-12 23:21:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2021-11-12 23:21:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_stop [2021-11-12 23:21:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_stop [2021-11-12 23:21:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_poll [2021-11-12 23:21:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_poll [2021-11-12 23:21:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2021-11-12 23:21:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2021-11-12 23:21:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2021-11-12 23:21:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_a_secondary_tuner [2021-11-12 23:21:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_a_secondary_tuner [2021-11-12 23:21:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-12 23:21:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-12 23:21:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-12 23:21:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-12 23:21:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2021-11-12 23:21:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2021-11-12 23:21:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:21:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:21:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_unlock [2021-11-12 23:21:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_unlock [2021-11-12 23:21:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-11-12 23:21:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-11-12 23:21:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-12 23:21:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-12 23:21:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2021-11-12 23:21:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2021-11-12 23:21:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_sync_region [2021-11-12 23:21:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_sync_region [2021-11-12 23:21:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2021-11-12 23:21:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:21:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:21:47,056 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:22:29,464 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:22:29,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:22:29,648 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:22:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:22:29 BoogieIcfgContainer [2021-11-12 23:22:29,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:22:29,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:22:29,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:22:29,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:22:29,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:21:39" (1/3) ... [2021-11-12 23:22:29,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449f65fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:22:29, skipping insertion in model container [2021-11-12 23:22:29,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:44" (2/3) ... [2021-11-12 23:22:29,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449f65fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:22:29, skipping insertion in model container [2021-11-12 23:22:29,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:22:29" (3/3) ... [2021-11-12 23:22:29,663 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-12 23:22:29,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:22:29,668 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:22:29,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:22:29,734 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=FINITE_AUTOMATA, 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 [2021-11-12 23:22:29,734 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:22:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 2626 states, 1830 states have (on average 1.3049180327868852) internal successors, (2388), 1833 states have internal predecessors, (2388), 703 states have call successors, (703), 91 states have call predecessors, (703), 90 states have return successors, (692), 692 states have call predecessors, (692), 692 states have call successors, (692) [2021-11-12 23:22:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2021-11-12 23:22:29,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:29,869 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 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, 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] [2021-11-12 23:22:29,870 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)] === [2021-11-12 23:22:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:29,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1544635232, now seen corresponding path program 1 times [2021-11-12 23:22:29,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:29,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495174064] [2021-11-12 23:22:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:29,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:29,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:29,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:29,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:22:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:33,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 4082 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:22:33,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21735 trivial. 0 not checked. [2021-11-12 23:22:35,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21945 trivial. 0 not checked. [2021-11-12 23:22:37,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:37,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495174064] [2021-11-12 23:22:37,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495174064] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:22:37,415 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:22:37,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:22:37,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678005527] [2021-11-12 23:22:37,421 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:22:37,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:22:37,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:22:37,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:22:37,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:22:37,488 INFO L87 Difference]: Start difference. First operand has 2626 states, 1830 states have (on average 1.3049180327868852) internal successors, (2388), 1833 states have internal predecessors, (2388), 703 states have call successors, (703), 91 states have call predecessors, (703), 90 states have return successors, (692), 692 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:22:40,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:22:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:53,004 INFO L93 Difference]: Finished difference Result 9814 states and 14502 transitions. [2021-11-12 23:22:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:22:53,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) Word has length 804 [2021-11-12 23:22:53,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:53,088 INFO L225 Difference]: With dead ends: 9814 [2021-11-12 23:22:53,088 INFO L226 Difference]: Without dead ends: 7306 [2021-11-12 23:22:53,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1606 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:22:53,116 INFO L933 BasicCegarLoop]: 4974 mSDtfsCounter, 9296 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 1236 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13720.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9296 SdHoareTripleChecker+Valid, 10698 SdHoareTripleChecker+Invalid, 2698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.41ms SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14795.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:53,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9296 Valid, 10698 Invalid, 2698 Unknown, 0 Unchecked, 85.41ms Time], IncrementalHoareTripleChecker [1236 Valid, 1461 Invalid, 1 Unknown, 0 Unchecked, 14795.29ms Time] [2021-11-12 23:22:53,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7306 states. [2021-11-12 23:22:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7306 to 7287. [2021-11-12 23:22:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7287 states, 5147 states have (on average 1.3137750145715952) internal successors, (6762), 5152 states have internal predecessors, (6762), 1874 states have call successors, (1874), 264 states have call predecessors, (1874), 263 states have return successors, (1870), 1870 states have call predecessors, (1870), 1870 states have call successors, (1870) [2021-11-12 23:22:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7287 states to 7287 states and 10506 transitions. [2021-11-12 23:22:53,697 INFO L78 Accepts]: Start accepts. Automaton has 7287 states and 10506 transitions. Word has length 804 [2021-11-12 23:22:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:53,700 INFO L470 AbstractCegarLoop]: Abstraction has 7287 states and 10506 transitions. [2021-11-12 23:22:53,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:22:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7287 states and 10506 transitions. [2021-11-12 23:22:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-11-12 23:22:53,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:53,740 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 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, 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] [2021-11-12 23:22:53,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:53,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:22:53,962 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2021-11-12 23:22:53,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:53,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1764280493, now seen corresponding path program 1 times [2021-11-12 23:22:53,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:53,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247321654] [2021-11-12 23:22:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:53,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:53,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:53,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:22:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:57,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 4133 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:22:57,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21735 trivial. 0 not checked. [2021-11-12 23:22:59,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21945 trivial. 0 not checked. [2021-11-12 23:23:00,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:00,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247321654] [2021-11-12 23:23:00,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247321654] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:00,702 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:23:00,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:23:00,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988857448] [2021-11-12 23:23:00,705 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:00,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:23:00,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:00,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:23:00,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:23:00,710 INFO L87 Difference]: Start difference. First operand 7287 states and 10506 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 4 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:23:03,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:16,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:16,045 INFO L93 Difference]: Finished difference Result 23919 states and 34476 transitions. [2021-11-12 23:23:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:23:16,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 4 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) Word has length 810 [2021-11-12 23:23:16,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:16,219 INFO L225 Difference]: With dead ends: 23919 [2021-11-12 23:23:16,219 INFO L226 Difference]: Without dead ends: 16777 [2021-11-12 23:23:16,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1618 GetRequests, 1616 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:23:16,270 INFO L933 BasicCegarLoop]: 4976 mSDtfsCounter, 9413 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 1245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13495.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9413 SdHoareTripleChecker+Valid, 10800 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.84ms SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14534.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:16,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9413 Valid, 10800 Invalid, 2653 Unknown, 0 Unchecked, 46.84ms Time], IncrementalHoareTripleChecker [1245 Valid, 1407 Invalid, 1 Unknown, 0 Unchecked, 14534.80ms Time] [2021-11-12 23:23:16,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16777 states. [2021-11-12 23:23:17,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16777 to 16737. [2021-11-12 23:23:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16737 states, 11859 states have (on average 1.3161312083649548) internal successors, (15608), 11874 states have internal predecessors, (15608), 4261 states have call successors, (4261), 615 states have call predecessors, (4261), 614 states have return successors, (4257), 4247 states have call predecessors, (4257), 4257 states have call successors, (4257) [2021-11-12 23:23:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16737 states to 16737 states and 24126 transitions. [2021-11-12 23:23:17,458 INFO L78 Accepts]: Start accepts. Automaton has 16737 states and 24126 transitions. Word has length 810 [2021-11-12 23:23:17,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:17,460 INFO L470 AbstractCegarLoop]: Abstraction has 16737 states and 24126 transitions. [2021-11-12 23:23:17,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 4 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:23:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 16737 states and 24126 transitions. [2021-11-12 23:23:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2021-11-12 23:23:17,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:17,478 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 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, 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] [2021-11-12 23:23:17,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:17,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:17,702 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2021-11-12 23:23:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1927097592, now seen corresponding path program 1 times [2021-11-12 23:23:17,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:17,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745885149] [2021-11-12 23:23:17,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:17,707 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:17,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:17,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:23:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:21,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 4162 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:23:21,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21735 trivial. 0 not checked. [2021-11-12 23:23:22,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21945 trivial. 0 not checked. [2021-11-12 23:23:24,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:24,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745885149] [2021-11-12 23:23:24,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745885149] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:24,345 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:23:24,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:23:24,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710334143] [2021-11-12 23:23:24,346 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:24,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:23:24,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:24,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:23:24,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:23:24,349 INFO L87 Difference]: Start difference. First operand 16737 states and 24126 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:23:27,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:38,760 INFO L93 Difference]: Finished difference Result 63300 states and 91397 transitions. [2021-11-12 23:23:38,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:23:38,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) Word has length 819 [2021-11-12 23:23:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:39,149 INFO L225 Difference]: With dead ends: 63300 [2021-11-12 23:23:39,149 INFO L226 Difference]: Without dead ends: 46708 [2021-11-12 23:23:39,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1636 GetRequests, 1634 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:23:39,365 INFO L933 BasicCegarLoop]: 5068 mSDtfsCounter, 6921 mSDsluCounter, 6115 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12442.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6921 SdHoareTripleChecker+Valid, 11183 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.00ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13154.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:39,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6921 Valid, 11183 Invalid, 1599 Unknown, 0 Unchecked, 34.00ms Time], IncrementalHoareTripleChecker [64 Valid, 1534 Invalid, 1 Unknown, 0 Unchecked, 13154.07ms Time] [2021-11-12 23:23:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46708 states. [2021-11-12 23:23:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46708 to 46644. [2021-11-12 23:23:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46644 states, 32807 states have (on average 1.314353644039382) internal successors, (43120), 32876 states have internal predecessors, (43120), 12047 states have call successors, (12047), 1788 states have call predecessors, (12047), 1787 states have return successors, (12043), 11979 states have call predecessors, (12043), 12043 states have call successors, (12043) [2021-11-12 23:23:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46644 states to 46644 states and 67210 transitions. [2021-11-12 23:23:42,456 INFO L78 Accepts]: Start accepts. Automaton has 46644 states and 67210 transitions. Word has length 819 [2021-11-12 23:23:42,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:42,458 INFO L470 AbstractCegarLoop]: Abstraction has 46644 states and 67210 transitions. [2021-11-12 23:23:42,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-12 23:23:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 46644 states and 67210 transitions. [2021-11-12 23:23:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-11-12 23:23:42,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:42,486 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-11-12 23:23:42,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:42,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:42,702 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2021-11-12 23:23:42,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:42,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1334894293, now seen corresponding path program 1 times [2021-11-12 23:23:42,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:42,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302467280] [2021-11-12 23:23:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:42,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:42,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:42,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:23:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:46,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 4256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:23:46,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21770 trivial. 0 not checked. [2021-11-12 23:23:48,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21980 trivial. 0 not checked. [2021-11-12 23:23:49,827 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:49,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302467280] [2021-11-12 23:23:49,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302467280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:49,827 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:23:49,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:23:49,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572415532] [2021-11-12 23:23:49,828 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:49,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:23:49,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:49,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:23:49,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:23:49,831 INFO L87 Difference]: Start difference. First operand 46644 states and 67210 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-12 23:23:52,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:55,214 INFO L93 Difference]: Finished difference Result 131773 states and 189720 transitions. [2021-11-12 23:23:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:23:55,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 851 [2021-11-12 23:23:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:55,858 INFO L225 Difference]: With dead ends: 131773 [2021-11-12 23:23:55,858 INFO L226 Difference]: Without dead ends: 85274 [2021-11-12 23:23:56,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1700 GetRequests, 1699 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:23:56,048 INFO L933 BasicCegarLoop]: 4341 mSDtfsCounter, 3388 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3031.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 8033 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.96ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3109.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:56,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 8033 Invalid, 66 Unknown, 0 Unchecked, 11.96ms Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 3109.38ms Time] [2021-11-12 23:23:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85274 states. [2021-11-12 23:24:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85274 to 85184. [2021-11-12 23:24:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85184 states, 60075 states have (on average 1.3131252600915522) internal successors, (78886), 60225 states have internal predecessors, (78886), 21771 states have call successors, (21771), 3336 states have call predecessors, (21771), 3335 states have return successors, (21767), 21622 states have call predecessors, (21767), 21767 states have call successors, (21767) [2021-11-12 23:24:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85184 states to 85184 states and 122424 transitions. [2021-11-12 23:24:01,721 INFO L78 Accepts]: Start accepts. Automaton has 85184 states and 122424 transitions. Word has length 851 [2021-11-12 23:24:01,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:01,724 INFO L470 AbstractCegarLoop]: Abstraction has 85184 states and 122424 transitions. [2021-11-12 23:24:01,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-12 23:24:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 85184 states and 122424 transitions. [2021-11-12 23:24:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 850 [2021-11-12 23:24:01,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:01,751 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-11-12 23:24:01,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:01,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:24:01,967 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2021-11-12 23:24:01,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash -856071577, now seen corresponding path program 1 times [2021-11-12 23:24:01,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:01,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173383197] [2021-11-12 23:24:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:01,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:01,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:01,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:24:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:05,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 4233 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:24:05,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21770 trivial. 0 not checked. [2021-11-12 23:24:07,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21980 trivial. 0 not checked. [2021-11-12 23:24:09,184 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:09,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173383197] [2021-11-12 23:24:09,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173383197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:09,185 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:09,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:24:09,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625984433] [2021-11-12 23:24:09,186 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:09,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:24:09,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:24:09,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:24:09,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:24:09,188 INFO L87 Difference]: Start difference. First operand 85184 states and 122424 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-12 23:24:11,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:24:16,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:16,847 INFO L93 Difference]: Finished difference Result 246352 states and 353796 transitions. [2021-11-12 23:24:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:24:16,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 849 [2021-11-12 23:24:16,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:18,043 INFO L225 Difference]: With dead ends: 246352 [2021-11-12 23:24:18,044 INFO L226 Difference]: Without dead ends: 161313 [2021-11-12 23:24:18,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1696 GetRequests, 1695 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:24:18,333 INFO L933 BasicCegarLoop]: 4427 mSDtfsCounter, 3388 mSDsluCounter, 3690 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2886.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.71ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2962.56ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:18,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 8117 Invalid, 66 Unknown, 0 Unchecked, 13.71ms Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 2962.56ms Time] [2021-11-12 23:24:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161313 states. [2021-11-12 23:24:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161313 to 161259. [2021-11-12 23:24:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161259 states, 114026 states have (on average 1.3115254415659587) internal successors, (149548), 114338 states have internal predecessors, (149548), 40799 states have call successors, (40799), 6432 states have call predecessors, (40799), 6431 states have return successors, (40795), 40488 states have call predecessors, (40795), 40795 states have call successors, (40795) [2021-11-12 23:24:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161259 states to 161259 states and 231142 transitions. [2021-11-12 23:24:27,066 INFO L78 Accepts]: Start accepts. Automaton has 161259 states and 231142 transitions. Word has length 849 [2021-11-12 23:24:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:27,067 INFO L470 AbstractCegarLoop]: Abstraction has 161259 states and 231142 transitions. [2021-11-12 23:24:27,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-12 23:24:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 161259 states and 231142 transitions. [2021-11-12 23:24:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2021-11-12 23:24:27,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:27,096 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-11-12 23:24:27,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:27,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:24:27,314 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2021-11-12 23:24:27,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:27,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1801062340, now seen corresponding path program 1 times [2021-11-12 23:24:27,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:27,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816950613] [2021-11-12 23:24:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:27,319 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:27,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:27,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb543ac-ad85-43de-b3ed-e20662965e40/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:24:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:30,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 4257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:24:30,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 21770 trivial. 0 not checked. [2021-11-12 23:24:32,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 21980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21980 trivial. 0 not checked. [2021-11-12 23:24:34,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:34,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816950613] [2021-11-12 23:24:34,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816950613] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:34,733 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:34,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:24:34,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917901388] [2021-11-12 23:24:34,734 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:34,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:24:34,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:24:34,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:24:34,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:24:34,735 INFO L87 Difference]: Start difference. First operand 161259 states and 231142 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-12 23:24:37,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []