./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH --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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:08:04,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:08:04,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:08:04,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:08:04,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:08:04,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:08:04,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:08:04,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:08:04,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:08:04,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:08:04,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:08:04,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:08:04,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:08:04,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:08:04,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:08:04,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:08:04,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:08:04,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:08:04,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:08:04,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:08:04,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:08:04,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:08:04,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:08:04,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:08:04,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:08:04,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:08:04,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:08:04,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:08:04,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:08:04,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:08:04,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:08:04,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:08:04,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:08:04,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:08:04,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:08:04,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:08:04,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:08:04,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:08:04,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:08:04,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:08:04,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:08:04,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:08:04,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:08:04,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:08:04,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:08:04,993 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:08:04,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:08:04,993 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:08:04,994 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:08:04,994 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:08:04,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:08:04,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:08:05,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:08:05,002 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:08:05,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:08:05,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:08:05,003 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:08:05,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:08:05,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:08:05,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:08:05,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:08:05,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:08:05,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:08:05,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:08:05,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:08:05,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:08:05,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:08:05,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:08:05,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:08:05,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:08:05,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:08:05,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:08:05,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:08:05,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:08:05,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:08:05,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:08:05,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:08:05,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:08:05,011 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-03 04:08:05,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:08:05,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:08:05,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:08:05,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:08:05,410 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:08:05,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-03 04:08:05,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/90816c221/2b95d81050ab4d8c951336231e4ff03f/FLAG1b979e649 [2021-11-03 04:08:06,537 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:08:06,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-03 04:08:06,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/90816c221/2b95d81050ab4d8c951336231e4ff03f/FLAG1b979e649 [2021-11-03 04:08:06,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/90816c221/2b95d81050ab4d8c951336231e4ff03f [2021-11-03 04:08:06,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:08:06,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:08:06,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:08:06,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:08:06,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:08:06,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:06" (1/1) ... [2021-11-03 04:08:06,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61218031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:06, skipping insertion in model container [2021-11-03 04:08:06,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:06" (1/1) ... [2021-11-03 04:08:06,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:08:07,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:08:09,389 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1437) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:08:09,396 INFO L168 Benchmark]: Toolchain (without parser) took 2516.14 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 123.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:08:09,397 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 95.1 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:08:09,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2510.90 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 123.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:08:09,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 95.1 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2510.90 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 123.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH --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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:08:11,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:08:11,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:08:11,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:08:11,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:08:11,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:08:11,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:08:11,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:08:11,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:08:11,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:08:11,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:08:11,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:08:11,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:08:11,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:08:11,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:08:11,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:08:11,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:08:11,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:08:11,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:08:11,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:08:11,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:08:11,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:08:11,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:08:11,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:08:11,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:08:11,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:08:11,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:08:11,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:08:11,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:08:11,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:08:11,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:08:11,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:08:11,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:08:11,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:08:11,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:08:11,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:08:11,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:08:11,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:08:11,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:08:11,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:08:11,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:08:11,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:08:11,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:08:11,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:08:11,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:08:11,694 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:08:11,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:08:11,694 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:08:11,694 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:08:11,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:08:11,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:08:11,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:08:11,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:08:11,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:08:11,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:08:11,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:08:11,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:08:11,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:08:11,698 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:08:11,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:08:11,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:08:11,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:08:11,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:08:11,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:08:11,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:08:11,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:08:11,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:08:11,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:08:11,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:08:11,701 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-03 04:08:12,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:08:12,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:08:12,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:08:12,100 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:08:12,100 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:08:12,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-03 04:08:12,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/c813adf82/0d1ac947ea044108bd461f6293a2a3c7/FLAG244e45826 [2021-11-03 04:08:13,244 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:08:13,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-03 04:08:13,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/c813adf82/0d1ac947ea044108bd461f6293a2a3c7/FLAG244e45826 [2021-11-03 04:08:13,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/data/c813adf82/0d1ac947ea044108bd461f6293a2a3c7 [2021-11-03 04:08:13,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:08:13,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:08:13,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:08:13,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:08:13,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:08:13,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:13" (1/1) ... [2021-11-03 04:08:13,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d18741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:13, skipping insertion in model container [2021-11-03 04:08:13,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:13" (1/1) ... [2021-11-03 04:08:13,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:08:13,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:08:18,208 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-03 04:08:18,212 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-03 04:08:18,213 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-03 04:08:18,214 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-03 04:08:18,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:08:18,372 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:08:18,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:08:18,967 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-03 04:08:18,968 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-03 04:08:18,968 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-03 04:08:18,968 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-03 04:08:18,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:08:19,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:08:20,039 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-03 04:08:20,039 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-03 04:08:20,040 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-03 04:08:20,040 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_7fb0ca84-29c0-4592-b5d7-efcb487c7135/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-03 04:08:20,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:08:20,356 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:08:20,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20 WrapperNode [2021-11-03 04:08:20,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:08:20,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:08:20,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:08:20,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:08:20,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:20,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:20,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:08:20,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:08:20,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:08:20,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:08:21,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:21,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:22,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:08:22,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:08:22,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:08:22,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:08:22,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (1/1) ... [2021-11-03 04:08:22,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:08:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:08:22,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:08:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:08:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-03 04:08:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-03 04:08:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:08:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 04:08:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:08:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:08:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:08:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-03 04:08:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-03 04:08:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-03 04:08:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-03 04:08:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-03 04:08:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:08:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:08:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:08:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:08:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:08:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:08:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 04:08:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:08:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:08:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 04:08:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 04:08:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:08:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:08:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:11:22,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0bv32; [2021-11-03 04:11:22,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-03 04:11:22,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-03 04:11:22,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0bv32; [2021-11-03 04:11:22,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0bv32; [2021-11-03 04:11:22,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0bv32; [2021-11-03 04:11:22,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-03 04:11:22,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-03 04:11:22,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-03 04:11:22,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0bv32; [2021-11-03 04:11:22,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-03 04:11:22,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:11:22,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:11:22,121 INFO L299 CfgBuilder]: Removed 5177 assume(true) statements. [2021-11-03 04:11:22,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:11:22 BoogieIcfgContainer [2021-11-03 04:11:22,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:11:22,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:11:22,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:11:22,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:11:22,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:08:13" (1/3) ... [2021-11-03 04:11:22,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b66e5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:11:22, skipping insertion in model container [2021-11-03 04:11:22,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:20" (2/3) ... [2021-11-03 04:11:22,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b66e5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:11:22, skipping insertion in model container [2021-11-03 04:11:22,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:11:22" (3/3) ... [2021-11-03 04:11:22,137 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-03 04:11:22,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:11:22,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-03 04:11:22,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:11:22,228 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 [2021-11-03 04:11:22,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-03 04:11:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 5287 states, 5190 states have (on average 1.322543352601156) internal successors, (6864), 5267 states have internal predecessors, (6864), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-03 04:11:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-03 04:11:22,346 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:22,347 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:11:22,347 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-03 04:11:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:22,353 INFO L85 PathProgramCache]: Analyzing trace with hash -601968516, now seen corresponding path program 1 times [2021-11-03 04:11:22,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:22,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832047932] [2021-11-03 04:11:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:22,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:22,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:22,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:11:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:36,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 5897 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:11:36,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:37,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:37,995 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:37,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832047932] [2021-11-03 04:11:37,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832047932] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:37,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:37,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:11:38,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418103372] [2021-11-03 04:11:38,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:38,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:38,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:38,048 INFO L87 Difference]: Start difference. First operand has 5287 states, 5190 states have (on average 1.322543352601156) internal successors, (6864), 5267 states have internal predecessors, (6864), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:11:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:43,228 INFO L93 Difference]: Finished difference Result 19328 states and 25274 transitions. [2021-11-03 04:11:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:11:43,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2021-11-03 04:11:43,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:43,357 INFO L225 Difference]: With dead ends: 19328 [2021-11-03 04:11:43,359 INFO L226 Difference]: Without dead ends: 13451 [2021-11-03 04:11:43,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:43,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13451 states. [2021-11-03 04:11:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13451 to 13211. [2021-11-03 04:11:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13211 states, 13076 states have (on average 1.2470939125114715) internal successors, (16307), 13153 states have internal predecessors, (16307), 45 states have call successors, (45), 12 states have call predecessors, (45), 12 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2021-11-03 04:11:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13211 states to 13211 states and 16397 transitions. [2021-11-03 04:11:44,148 INFO L78 Accepts]: Start accepts. Automaton has 13211 states and 16397 transitions. Word has length 165 [2021-11-03 04:11:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:44,154 INFO L470 AbstractCegarLoop]: Abstraction has 13211 states and 16397 transitions. [2021-11-03 04:11:44,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:11:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 13211 states and 16397 transitions. [2021-11-03 04:11:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-03 04:11:44,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:44,170 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:11:44,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:44,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:44,391 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-03 04:11:44,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:44,392 INFO L85 PathProgramCache]: Analyzing trace with hash -82684366, now seen corresponding path program 1 times [2021-11-03 04:11:44,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:44,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821320616] [2021-11-03 04:11:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:44,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:44,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:44,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:11:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:58,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 5925 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:11:58,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:59,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:12:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:00,180 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:12:00,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821320616] [2021-11-03 04:12:00,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821320616] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:00,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:00,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:12:00,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920403779] [2021-11-03 04:12:00,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:00,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:12:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:00,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:00,184 INFO L87 Difference]: Start difference. First operand 13211 states and 16397 transitions. Second operand has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:12:07,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:12:07,066 INFO L93 Difference]: Finished difference Result 38894 states and 48200 transitions. [2021-11-03 04:12:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:12:07,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2021-11-03 04:12:07,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:12:07,222 INFO L225 Difference]: With dead ends: 38894 [2021-11-03 04:12:07,222 INFO L226 Difference]: Without dead ends: 26079 [2021-11-03 04:12:07,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26079 states. [2021-11-03 04:12:08,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26079 to 25719. [2021-11-03 04:12:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25719 states, 25533 states have (on average 1.24497708847374) internal successors, (31788), 25610 states have internal predecessors, (31788), 80 states have call successors, (80), 28 states have call predecessors, (80), 28 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2021-11-03 04:12:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25719 states to 25719 states and 31948 transitions. [2021-11-03 04:12:08,807 INFO L78 Accepts]: Start accepts. Automaton has 25719 states and 31948 transitions. Word has length 173 [2021-11-03 04:12:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:08,810 INFO L470 AbstractCegarLoop]: Abstraction has 25719 states and 31948 transitions. [2021-11-03 04:12:08,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:12:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 25719 states and 31948 transitions. [2021-11-03 04:12:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-03 04:12:08,816 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:12:08,817 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:12:09,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:12:09,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:12:09,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-03 04:12:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1689586711, now seen corresponding path program 1 times [2021-11-03 04:12:09,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:12:09,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353795924] [2021-11-03 04:12:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:09,068 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:12:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:12:09,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:12:09,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:12:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:12:24,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 5926 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:12:24,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:12:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:25,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:12:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:25,625 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:12:25,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353795924] [2021-11-03 04:12:25,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353795924] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:25,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:25,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:12:25,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161018329] [2021-11-03 04:12:25,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:25,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:12:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:25,628 INFO L87 Difference]: Start difference. First operand 25719 states and 31948 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:12:32,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:12:32,686 INFO L93 Difference]: Finished difference Result 78497 states and 97313 transitions. [2021-11-03 04:12:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:12:32,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-11-03 04:12:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:12:32,939 INFO L225 Difference]: With dead ends: 78497 [2021-11-03 04:12:32,939 INFO L226 Difference]: Without dead ends: 53174 [2021-11-03 04:12:33,026 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53174 states. [2021-11-03 04:12:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53174 to 52850. [2021-11-03 04:12:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52850 states, 52573 states have (on average 1.2402564053791871) internal successors, (65204), 52650 states have internal predecessors, (65204), 141 states have call successors, (141), 58 states have call predecessors, (141), 58 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2021-11-03 04:12:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52850 states to 52850 states and 65486 transitions. [2021-11-03 04:12:36,191 INFO L78 Accepts]: Start accepts. Automaton has 52850 states and 65486 transitions. Word has length 174 [2021-11-03 04:12:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:36,192 INFO L470 AbstractCegarLoop]: Abstraction has 52850 states and 65486 transitions. [2021-11-03 04:12:36,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:12:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 52850 states and 65486 transitions. [2021-11-03 04:12:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-03 04:12:36,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:12:36,200 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:12:36,421 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-03 04:12:36,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:12:36,421 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-03 04:12:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:36,422 INFO L85 PathProgramCache]: Analyzing trace with hash 431307880, now seen corresponding path program 1 times [2021-11-03 04:12:36,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:12:36,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:12:36,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331640902] [2021-11-03 04:12:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:36,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:12:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:12:36,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:12:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:12:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:12:51,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 5956 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:12:51,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:12:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:52,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:12:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:52,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:12:52,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331640902] [2021-11-03 04:12:52,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331640902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:52,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:52,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:12:52,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688437759] [2021-11-03 04:12:52,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:52,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:12:52,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:52,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:52,627 INFO L87 Difference]: Start difference. First operand 52850 states and 65486 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:01,144 INFO L93 Difference]: Finished difference Result 172188 states and 214907 transitions. [2021-11-03 04:13:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:13:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-11-03 04:13:01,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:01,882 INFO L225 Difference]: With dead ends: 172188 [2021-11-03 04:13:01,883 INFO L226 Difference]: Without dead ends: 119734 [2021-11-03 04:13:02,012 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119734 states. [2021-11-03 04:13:07,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119734 to 119358. [2021-11-03 04:13:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119358 states, 118798 states have (on average 1.2507954679371707) internal successors, (148592), 118875 states have internal predecessors, (148592), 346 states have call successors, (346), 136 states have call predecessors, (346), 136 states have return successors, (346), 346 states have call predecessors, (346), 346 states have call successors, (346) [2021-11-03 04:13:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119358 states to 119358 states and 149284 transitions. [2021-11-03 04:13:08,187 INFO L78 Accepts]: Start accepts. Automaton has 119358 states and 149284 transitions. Word has length 179 [2021-11-03 04:13:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:08,188 INFO L470 AbstractCegarLoop]: Abstraction has 119358 states and 149284 transitions. [2021-11-03 04:13:08,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 119358 states and 149284 transitions. [2021-11-03 04:13:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-03 04:13:08,194 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:13:08,195 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:13:08,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:13:08,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:13:08,419 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, video_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-03 04:13:08,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:08,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1902832808, now seen corresponding path program 1 times [2021-11-03 04:13:08,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:13:08,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604837839] [2021-11-03 04:13:08,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:08,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:13:08,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:13:08,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:13:08,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb0ca84-29c0-4592-b5d7-efcb487c7135/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:13:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:22,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 5993 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:13:22,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:13:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:23,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:13:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:23,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:13:23,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604837839] [2021-11-03 04:13:23,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604837839] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:23,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:23,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:13:23,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347105553] [2021-11-03 04:13:23,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:13:23,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:13:23,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:13:23,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:23,568 INFO L87 Difference]: Start difference. First operand 119358 states and 149284 transitions. Second operand has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:36,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:36,927 INFO L93 Difference]: Finished difference Result 354469 states and 443581 transitions. [2021-11-03 04:13:36,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:13:36,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-11-03 04:13:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:37,897 INFO L225 Difference]: With dead ends: 354469 [2021-11-03 04:13:37,897 INFO L226 Difference]: Without dead ends: 236299 [2021-11-03 04:13:38,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236299 states.